Relevant bibliographies by topics / Vaccum Insulation Panel

Academic literature on the topic 'Vaccum Insulation Panel'

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Published: 14 March 2023

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Journal articles on the topic "Vaccum Insulation Panel"

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SELYAEV, Vladimir P., Nikolay N. KISELEV, and Oleg V. LIYASKIN. "DIAGRAMS OF VACUUM INSULATING PANEL DEFORMATION DURING COMPRESSION." Urban construction and architecture 9, no. 3 (September 15, 2019): 17–21. http://dx.doi.org/10.17673/vestnik.2019.03.3.

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The possibility of using vacuum insulation panels (VIP) with a granular filler for the manufacture of threelayer enclosing wall panels, floor slabs and coatings is considered. The results of experimental studies of vacuum insulation panels, carried out with the aim of analytically describing the deformation diagrams of VIP panels under the action of a compressive load, are presented. It has been established: deformative properties of vacuum insulation panels with granular filler do not depend on the size of the filler particles, but depend on the volume content of the filler; a deformation diagram describing the relationship between stresses and relative deformations during compression of a vacuum insulating panel with a granular filler can be approximated by the function G. B. Bülfinger. The results obtained make it possible by calculation to determine the stress state in flat plating sheets during local load transfer.
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Zhang, Juan, Zhao Feng Chen, Jie Ming Zhou, Bin Bin Li, and Zhou Chen. "A Novel Rigid Vacuum Insulation Panel: Vacuum Insulation Sandwich." Advanced Materials Research 430-432 (January 2012): 741–45. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.741.

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VIP (Vacuum insulation panel), as a high performance insulation component, combine with limited thickness, have recently been introduced to numerous energy conservation applications. VIP consists of a highly insulating core material and a gas tight barrier envelope which is generally composed of plastic film and aluminum film. When the envelope is stainless steel sheet, VIP is called VIS (vacuum insulation sandwich). Because of this hardly permeable rigid barrier, VIS presents more fantastic properties such as resistance against external mechanical loads and penetration of atmospheric gases and water vapor. Consequently, the service life of VIS is significantly longer than that of VIP. Detailed structure and some practical applications of VIS elements are also reviewed in this paper.
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Wang, Lu, Zhao Feng Chen, Cao Wu, and Sheng Nan Guan. "Study on the Vacuum Insulation Panel Protected by Silicone Rubber." Applied Mechanics and Materials 541-542 (March 2014): 113–17. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.113.

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This paper uses molding process to prepare a new kind of pipe insulation material, called silicone rubber-vacuum insulation panel (SR-VIP), which consists of a silicone rubber layer, a VIP layer and silicone rubber layer, making the composite sandwich structure. The thermal consuctivity of the composite is as low as 0.005 W/m·K. The tensile strength, tear strength, compression strength and compression set of the composite are 7.8MPa, 22N/mm, 65Mpa, 25%, respectively. Compared with traditional foam insulation materials, the composite possesses superior thermal insulating properties and mechanical properties.
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Wessling, Francis C., Marlow D. Moser, and James M. Blackwood. "Subtle Issues in the Measurement of the Thermal Conductivity of Vacuum Insulation Panels." Journal of Heat Transfer 126, no. 2 (April 1, 2004): 155–60. http://dx.doi.org/10.1115/1.1683674.

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Vacuum insulation panels have values of thermal conductivity that are extremely low ∼4mW/ms˙K compared to the thermal conductivity of most common insulations. Typical ASTM test methods are not designed for testing these very low thermal conductivity materials. An apparatus has been built and tested that uses a thin foil heater and vacuum chamber to test vacuum insulation panels. Several different measurement configurations are studied to determine the effects of the parasitic heat losses. The differences between the ASTM standards and this technique are described and the rationale explained. A new ASTM technique for vacuum panels appears to be needed.
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Nazirov, Rashit, Ivan Inzhutov, Alexey Zhzhonykh, and Nikita Novikov. "Use of waste production of crystalline silicon in the production of vacuum insulation." E3S Web of Conferences 110 (2019): 01006. http://dx.doi.org/10.1051/e3sconf/201911001006.

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The purpose of the study is to consider the possibility of using microsilica - waste of aluminum production, as filler in a vacuum insulation panel. The properties of silicon dioxide powder have been studied, and compositions and manufacturing technology of vacuum thermal insulation panels on its base have been developed. Differential thermal analysis of powders is carried out; the curves of differential thermal analysis and thermogravimetric analysis, x-ray phase analysis are obtained. The microstructure of the samples is investigated. The thermal conductivity of the manufactured panels is measured. The test results suggest that for the manufacture of low–vacuum insulation panels of microsilica powders, waste production of crystalline silicon can be used. The use of waste in the future can become the basis for the production of high-quality vacuum insulation with low cost.
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Ji, Jun, Hou De Han, and An Kang Kan. "Research on the Application of VIPs to Reefer Containers." Applied Mechanics and Materials 117-119 (October 2011): 1067–70. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.1067.

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Vacuum insulation panels are distinguished by their outstandingly low thermal conductivity, which is approximately 0.004 W/ (m • K) to 0.01 W/ (m • K), only 33% to 10% of that of the traditional heat preservation materials. The heat preservation mechanism of vacuum insulation panels is elaborated in the study. The thermal conductivity of the vacuum insulation panel made in our lab were below 0.01 W/ (m • K). By analysis and calculation, with this kind of VIPs applied to refrigerated containers, its exciting properties can save energy consumption by more than 20% compared with traditional heat preservation materials.
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Jeong, Gil-Eon, Pilseong Kang, Sung-Kie Youn, Inseok Yeo, Tae-Ho Song, Jun O. Kim, Dae Whan Kim, and Keon Kuk. "Study of Structural Stiffness of Refrigerator Cabinet Using the Topology Optimization of a Vacuum Insulated Panel (VIP)." Journal of the Korean Society for Precision Engineering 32, no. 8 (August 1, 2015): 727–34. http://dx.doi.org/10.7736/kspe.2015.32.8.727.

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Zach, Jiří, Jitka Hroudová, and Azra Korjenic. "Sustainable Materials with Potential Application as Core Materials in Vacuum Insulations." Applied Mechanics and Materials 887 (January 2019): 90–97. http://dx.doi.org/10.4028/www.scientific.net/amm.887.90.

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The trend of achieving sustainable development in the area of new, eco-friendly materials remains topical for many experts concerned with developing new materials applicable worldwide in civil engineering as well as elsewhere. Our research team has for many years been developing non-traditional materials that meet the current requirements. These materials are made with organic fibers – waste natural fibers produced by agriculture or waste industrial (locally produced) fibers. Their thermal and acoustic insulation properties are very close to those of conventional insulation materials (expanded polystyrene, extruded polystyrene, mineral wool, polyurethane foam), which are still finding broad use in the Czech Republic despite their harmful impact on the environment. The paper focuses on the various uses of several types of textile fibers (mainly by-products) in the development of modern insulation materials with a high value added. These materials bear several specific advantages over conventional insulations, which enable, among others, easier installation. Some of the newly developed insulations can also be used as core insulations in the manufacture of vacuum insulation panels (VIP).
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Zach, Jiří, Jitka Peterková, and Jan Bubeník. "Study of behaviour of thermal insulation materials under extremely low pressure." MATEC Web of Conferences 282 (2019): 02044. http://dx.doi.org/10.1051/matecconf/201928202044.

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In most thermal insulation materials, reduced internal pressure improves thermal insulation properties. It reduces heat transport by convection as well as heat conduction in gases in the material´s pore structure. The dependence of thermal conductivity on pressure is individual to every type of insulation with open porosity. In general, a material with fine porosity is not very sensitive to pressure change within the range of very low pressure to vacuum. On the other hand, materials with a larger number of bigger pores are more sensitive to changing pressure. Any pressure change between atmosphere pressure and vacuum causes a change in thermal conductivity. The paper presents the results of an investigation into the behaviour of alternative fibrous insulations usable in the production of vacuum insulation panels at low pressure.
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Zach, Jiří, Jitka Peterková, and Vítězslav Novák. "Utilization of CaO for Improvement of Durability of Vacuum Insulating Panels (VIP)." Solid State Phenomena 296 (August 2019): 203–8. http://dx.doi.org/10.4028/www.scientific.net/ssp.296.203.

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Vacuum insulation panels (VIP) currently belong to a group of so-called super-insulating materials. These are special products with an extremely low equivalent value of the thermal conductivity coefficient. Despite this fact, the use of VIP in the construction industry is rather problematic. The main issue is the relatively complicated VIP integration into building structures, as well as the limited VIP durability. The issue of durability is also one of the main topics of VIP development and research in this field. The paper describes the possibilities of using CaO to increase the durability of vacuum insulation panels.
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Dissertations / Theses on the topic "Vaccum Insulation Panel"

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Helgerud, Synne Christina. "Durability of Vacuum Insulation Panels in Alkaline Environment." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18382.

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Concrete and lightweight concrete elements are today used in various building applications to a great extent all over the world. Replacing traditional thermal insulation like e.g. expanded polystyrene (EPS), extruded polystyrene (XPS) and polyurethane (PUR) by vacuum insulation panels (VIPs) is discussed in order to increase the thermal resistance without increasing the wall thickness. Compared to traditional concrete and lightweight concrete elements, slimmer elements may still achieve U-values low enough to fulfil passive house or zero energy requirements. Thus, sandwich elements with VIPs may be an alternative to the traditional solutions. However, there may be some problems related to the use of VIPs in such concrete elements. The alkaline environment in concrete may lead to reactions with the aluminium (Al) in the multi-layered laminate used as the VIP envelope, and destroy its barrier function. To investigate the influence of the alkaline environment on the durability of VIPs in general, and the VIP envelope in particular, various VIP and VIP envelope specimen experiments have been carried out. The VIPs were subjected to different alkaline solutions at different temperatures, with and without direct contact with the liquid alkaline solutions. A worst-case scenario was investigated when any additional protection of the VIPs was disregarded. The results from the VIP experiments showed various degrees of degradation effects. Depending on the temperature and the pH-value of the alkaline environment the VIPs were exposed to, physical and thermal changes were observed on some of the test specimens, while others were more or less unaffected by the exposure. In general, the temperature proved to be the hardest strain, when the VIPs in heating cabinet showed much greater signs of degradation than the VIPs at room temperature, more or less independent on the pH-value of the alkaline solution they were exposed to. Interesting results were also obtained from the VIP envelope specimen experiment, where the VIP envelope showed signs of degradation after only a short time in alkaline solution.
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Alam, Mahmood. "Development of vacuum insulation panel with low cost core material." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/11658.

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Buildings consume around half of the UK's total energy consumption and are responsible for almost 50% of UK's total carbon dioxide (CO2) emissions. Use of high thermal resistance insulation in buildings is critical to save the substantial amounts of space heating energy lost through building fabric. Conventional building insulation materials have higher thermal conductivity values ranging from 40 mWm-1K-1 (Glass fibre) - 26 mWm-1K-1 (Polyurethane foam) and require larger thicknesses to achieve stringent building regulation requirements which may not be feasible due to techno-economic constraints. Vacuum Insulation Panel (VIP) is a relatively new insulation for building applications that offers 5-8 times higher thermal resistance and can achieve significant space savings in buildings. VIPs are produced as a rigid panel comprising inner core board laminated in an outer high barrier envelope under evacuated conditions (< 5mbar). However, the main challenge for large scale acceptance of VIPs in building applications is their higher cost. VIPs have been shown to have an approximately 10 times longer payback compared to conventional EPS insulation due to their high initial cost. Expensive materials currently being used for VIP manufacturing such as fumed silica contribute to high cost of VIPs and it is critical to identify alternative low cost materials for VIP components to overcome the challenge of high cost. The aim of this thesis was to develop an alternative low cost material and investigate its suitability for use as VIP core. Expanded perlite, a low cost material was identified as a replacement of expensive fumed silica in a VIP core. Composite samples containing expanded perlite, fumed silica, silicon carbide (SiC) and polyester fibres were developed by dry mixing of the constituents in different mass ratios and their different properties were experimentally measured to identify optimum composition of composite. Gaseous thermal conductivity at different pressures was calculated from the pore size data obtained using Mercury Intrusion Porosimetry (MIP), gas adsorption and electron microscopy. Radiative conductivity of composite samples was measured using Fourier Transform Infrared (FTIR) to ascertain the opacifying effect of expanded perlite and opacifier (SiC). Centre of panel thermal conductivity of core boards of size 100mm x 100mm made of composite material at atmospheric pressure was measured by using a small guarded hot plate device. Average pore diameter values of expanded perlite decreased with the partial filling of fumed silica aggregates and was found to be in the range of 150-300 nm yielding lower gaseous conductivity values of 1.2-2.1 mWm-1K-1 at 100mbar and became negligible upon further decreasing pressures below 10 mbar. Core boards made of optimised composite containing 30% expanded perlite and 50% fumed silica along with SiC and polyester fibres was found to achieve centre of panel thermal conductivity of 28 mWm-1K-1 at atmospheric pressure and the average radiative conductivity of 0.67 mWm-1K-1 at 300K with its gaseous thermal conductivity at 1 mbar being 0.016 mWm-1K-1. According to the results of the thesis VIP prototypes consisting of core made with optimised composite consisting (50 mass% of fumed silica, 30 mass% of expanded perlite along with 8 mass% of fibre and 12 mass% of SiC) yielded centre of panel thermal conductivity of 7.4-7.6 mWm-1K-1 at pressure of 0.53-0.64 mbar. Opacifying properties of expanded perlite were observed and quantified. Expanded perlite reduced the radiative conductivity of the composite requiring smaller quantities of high density opacifiers such as SiC. For sample containing no expanded perlite, average radiative conductivity was calculated to be 1.37 mWm-1K-1 and radiative conductivity values decreased to 1.12 mWm-1K-1, 0.67 mWm-1K-1, 0.63 mWm-1K-1 and 0.50 mWm-1K-1 with mass ratio of expanded perlite 20%, 30%, 40% and 60% respectively. It was concluded that the solid conductivity of prototypes VIPs was 1.8-2 times higher compared to those of commercially available VIPs and is the main reason for higher centre of panel thermal conductivity.
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Herek, Steven. "Performance of Vacuum Insulation Panels in Building Energy Consumption." OpenSIUC, 2014. https://opensiuc.lib.siu.edu/theses/1499.

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Insulation is a key aspect of the energy consumption of a building. Determining the best type of insulation to implement in a building can be difficult, especially with new technologies emerging. This paper summarizes a study of one emerging type of insulation, Vacuum Insulation Panels, and explores the applicability of Vacuum Insulation Panels as building insulation. Building energy simulations were performed using EnergyPlus (Department of Energy simulation and energy analysis program). Simulations were done to compare the absence of insulation to the use of traditional building insulation and to the use of Vacuum Insulation Panels in relevant areas of a building. The simulations showed that in moderate to cold climates Vacuum Insulation Panels can account for an overall building energy savings of up to 10%. In warmer months, especially in warmer climates, the savings are insignificant. In hot climates the study showed no savings. For winter months in colder climates savings are at least 10% and reach as high as 16%. VIPs certainly have the potential to save energy in moderate to cold climates, especially during the coldest months of the year.
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Thorsell, Thomas. "Advances in Thermal Insulation : Vacuum Insulation Panels and Thermal Efficiency to Reduce Energy Usage in Buildings." Doctoral thesis, KTH, Byggnadsteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-90745.

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We are coming to realize that there is an urgent need to reduce energy usage in buildings and it has to be done in a sustainable way. This thesis focuses on the performance of the building envelope; more precisely thermal performance of walls and super insulation material in the form of vacuum insulation. However, the building envelope is just one part of the whole building system, and super insulators have one major flaw: they are easily adversely affected by other problems in the built environment.  Vacuum Insulation Panels are one fresh addition to the arsenal of insulation materials available to the building industry. They are composite material with a core and an enclosure which, as a composite, can reach thermal conductivities as low as 0.004 W/(mK). However, the exceptional performance relies on the barrier material preventing gas permeation, maintaining a near vacuum into the core and a minimized thermal bridge effect from the wrapping of barrier material round the edge of a panel. A serpentine edge is proposed to decrease the heat loss at the edge. Modeling and testing shows a reduction of 60% if a reasonable serpentine edge is used. A diffusion model of permeation through multilayered barrier films with metallization coatings was developed to predict ultimate service life. The model combines numerical calculations with analytical field theory allowing for more precise determination than current models. The results using the proposed model indicate that it is possible to manufacture panels with lifetimes exceeding 50 years with existing manufacturing. Switching from the component scale to the building scale; an approach of integrated testing and modeling is proposed. Four wall types have been tested in a large range of environments with the aim to assess the hygrothermal nature and significance of thermal bridges and air leakages. The test procedure was also examined as a means for a more representative performance indicator than R-value (in USA). The procedure incorporates specific steps exposing the wall to different climate conditions, ranging from cold and dry to hot and humid, with and without a pressure gradient. This study showed that air infiltration alone might decrease the thermal resistance of a residential wall by 15%, more for industrial walls. Results from the research underpin a discussion concerning the importance of a holistic approach to building design if we are to meet the challenge of energy savings and sustainability. Thermal insulation efficiency is a main concept used throughout, and since it measures utilization it is a partial measure of sustainability. It is therefore proposed as a necessary design parameter in addition to a performance indicator when designing building envelopes. The thermal insulation efficiency ranges from below 50% for a wood stud wall poorly designed with incorporated VIP, while an optimized design with VIP placed in an uninterrupted external layer shows an efficiency of 99%, almost perfect. Thermal insulation efficiency reflects the measured wall performance full scale test, thus indicating efficiency under varied environmental loads: heat, moisture and pressure. The building design must be as a system, integrating all the subsystems together to function in concert. New design methodologies must be created along with new, more reliable and comprehensive measuring, testing and integrating procedures. New super insulators are capable of reducing energy usage below zero energy in buildings. It would be a shame to waste them by not taking care of the rest of the system. This thesis details the steps that went into this study and shows how this can be done.
QC 20120228
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Liu, Xiaolin. "Benefits of vacuum insulation panels in building envelopes for warm-keeping." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-14985.

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Wegger, Erlend. "Ageing effects on thermal properties and service life of vacuum insulation panels." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2010. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-11808.

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Vacuum insulation panels (VIPs) represent a high performance thermal insulation material solution offering an alternative to thick wall sections and large amounts of traditional insulation in modern buildings. Thermalperformance over time is one of the most important properties of VIPs to be addressed, and thus the ageing effectson the thermal properties have been explored in this work. Laboratory studies of ageing effects are conducted over a relatively limited time frame. To be able to effectivelyevaluate ageing effects on thermal conductivity, accelerated ageing experiments are necessary. As of today, nocomplete standardized methods for accelerated ageing of VIPs exist. By studying the theoretical relationshipsbetween VIP properties and external environmental exposures, various possible factors for accelerated ageing areproposed. The factors that are found theoretically to contribute most to ageing of VIPs are elevated temperature,moisture and pressure. By varying these factors it is assumed that a substantial accelerated ageing of VIPs can beachieved.Four different accelerated ageing experiments have been performed to study whether the theoretical relationshipmay be replicated in practice. To evaluate the thermal performance of VIPs, thermal conductivity measurementshave been applied.The different experiments gave a varying degree of ageing effects. Generally the changes in thermal performancewere small. Results indicated that the acceleration effect was within what could be expected from theoreticalrelationships, but any definite conclusion is difficult to draw due to the small changes. Some physical changes wereobserved on the VIPs, i.e. swelling and curving. This might be an effect of the severe conditions experienced by theVIPs during testing, and too much emphasis on these should be avoided.
Vakuumisolasjonspaneler (VIP) er en høyisolerende materialløsning som kan være et alternativ til tradisjonell bygningsisolasjon. På grunn av god isolasjonsevne kan man ved bruk av VIP redusere veggtykkelsen og fortsatt tilfredsstille energikravene som stilles til moderne bygninger. En av de viktigste egenskapene for VIP er evnen til å bevare høy termisk ytelse over tid. I den sammenheng har aldringseffekter for VIP blitt undersøkt. Siden laboratoriestudier av aldringseffekter gjøres i løpet av et relativt kort tidsrom, er akselerert aldring nødvendig for å få evaluert termiske egenskaper over tid. Det finnes pr. i dag ingen standardisert metode for akselerert aldring av VIP. Det finnes likevel flere studier av sammenheng mellom klimaforhold og VIP egenskaper. Spesielt er gass og fuktdiffusjon inn i panelet behandlet grundig i litteraturen. Basert på dette er det foreslått flere mulige faktorer for aldring av VIP. De faktorene som er funnet å bidra mest til aldring av VIP er temperatur, fuktinnhold i lufta og utvendig lufttrykk. Ved å variere disse faktorene er fire forskjellige aldringsforsøk beskrevet og gjennomført.Konduktivitetsmålinger er blitt brukt som et mål på de termiske egenskapene til de testede VIPene. De forskjellige forsøkene viste forskjellig grad av aldringseffekt. Generelt var endringen i konduktivitetsverdier liten. Resultatene indikerer at akselerasjonseffekten var innenfor hva som kan forutsies fra de teoretiske sammenhengene. Likevel er det vanskelig å trekke noen definitive konklusjoner, både siden endringen var så liten, og fordi få paneler ble brukt i forsøkene. Noen fysiske endringer ble observert under forsøkene. Blant annet este et av panelene noe ut, mens et annet bøyde seg permanent. Man burde likevel ikke legge for mye vekt på disse effektene, siden de kan skyldes de relativt ekstreme testforholdene.
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Heliová, Magdaléna. "Studium chování vláknitých materiálových struktur za sníženého tlaku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392322.

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The diploma thesis deals with study of behavior of fibrous organic insulants under greatly reduced pressure (even to vacuum). Development, production and durability of vacuum insulating panels are described in the theoretical part as well as principles of heat transfer. Method for production of core of VIP, created using waste fibers from textile industry and agriculture, is described in the practical part. Verification of behavior during normal and reduced pressure (even to vacuum) was carried out on experimentally made core insulants.
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Karami, Peyman. "Robust and Durable Vacuum Insulation Technology for Buildings." Doctoral thesis, KTH, Byggnadsteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176494.

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Today’s buildings are responsible for 40% of the world’s energy use and also a substantial share of the Global Warming Potential (GWP). In Sweden, about 21% of the energy use can be related to the heat losses through the climatic envelope. The “Million Program” (Swedish: Miljonprogrammet) is a common name for about one million housing units, erected between 1965 and 1974 and many of these buildings suffer from poor energy performance. An important aim of this study was to access the possibilities of using Vacuum Insulation Panels (VIPs) in buildings with emphasis on the use of VIPs for improving the thermal efficiency of the “Million Program” buildings. The VIPs have a thermal resistance of about 8-10 times better than conventional insulations and offer unique opportunities to reduce the thickness of the thermal insulation. This thesis is divided into three main subjects. The first subject aims to investigate new alternative VIP cores that may reduce the market price of VIPs. Three newly developed nanoporous silica were tested using different steady-state and transient methods. A new self-designed device, connected to a Transient Plane Source (TPS) instrument was used to determine the thermal conductivity of granular powders at different gaseous pressure combined with different mechanical loads. The conclusion was that the TPS technique is less suitable for conducting thermal conductivity measurements on low-density nanoporous silica powders. However, deviations in the results are minimal for densities above a limit at which the pure conduction becomes dominant compared to heat transfer by radiation. The second subject of this work was to propose a new and robust VIP mounting system, with minimized thermal bridges, for improving the thermal efficiency of the “Million Program” buildings. On the basis of the parametric analysis and dynamic simulations, a new VIP mounting system was proposed and evaluated through full scale measurements in a climatic chamber. The in situ measurements showed that the suggested new VIP technical solution, consisting of 20mm thick VIPs, can improve the thermal transmittance of the wall, up to a level of 56%. An improved thermal transmittance of the wall at centre-of-panel coordinate of 0.118 to 0.132 W m-2K-1 and a measured centre-of-panel thermal conductivity (λcentre-of-panel) of 7 mW m-1K-1 were reached. Furthermore, this thesis includes a new approach to measure the thermal bridge impacts due to the VIP joints and laminates, through conducting infrared thermography investigations. An effective thermal conductivity of 10.9 mW m-1K-1 was measured. The higher measured centre-of-panel and effective thermal conductivities than the published centre-of-panel thermal conductivity of 4.2 mW m-1K-1 from the VIP manufacturer, suggest that the real thermal performance of VIPs, when are mounted in construction, is comparatively worse than of the measured performance in the laboratory. An effective thermal conductivity of 10.9 mW m-1K-1 will, however, provide an excellent thermal performance to the construction. The third subject of this thesis aims to assess the environmental impacts of production and operation of VIP-insulated buildings, since there is a lack of life cycle analysis of whole buildings with vacuum panels. It was concluded that VIPs have a greater environmental impact than conventional insulation, in all categories except Ozone Depilation Potential. The VIPs have a measurable influence on the total Global Warming Potential and Primary Energy use of the buildings when both production and operation are taken into account. However, the environmental effect of using VIPs is positive when compared to the GWP of a standard building (a reduction of 6%) while the PE is increased by 20%. It was concluded that further promotion of VIPs will benefit from reduced energy use or alternative energy sources in the production of VIP cores while the use of alternative cores and recycling of VIP cores may also help reduce the environmental impact. Also, a sensitivity analysis of this study showed that the choice of VIPs has a significant effect on the environmental impacts, allowing for a reduction of the total PE of a building by 12% and the GWP can be reduced as much as 11% when considering both production and operation of 50 yes. Finally, it’s possible to conclude that the VIPs are very competitive alternative for insulating buildings from the Swedish “Million Program”. Nevertheless, further investigations require for minimizing the measurable environmental impacts that acquired in this LCA study for the VIP-insulated buildings.
Dagens byggnader ansvarar för omkring 40% av världens energianvändning och  står också för en väsentlig del av utsläppen av växthusgaser. I Sverige kan ca 21 % av energianvändningen relateras till förluster genom klimatskalet. Miljonprogrammet är ett namn för omkring en miljon bostäder som byggdes mellan 1965 och 1974, och många av dessa byggnader har en dålig energiprestanda efter dagens mått. Huvudsyftet med denna studie har varit att utforska möjligheterna att använda vakuumisoleringspaneler (VIP:ar) i byggnader med viss fokus på tillämpning i Miljonprogrammets byggnader. Med en värmeledningsförmåga som är ca 8 - 10 gånger bättre än för traditionell isolering erbjuder VIP:arna unika möjligheter till förbättrad termisk prestanda med minimal isolerings tjocklek. Denna avhandling hade tre huvudsyften. Det första var att undersöka nya alternativ för kärnmaterial som bland annat kan reducera kostnaden vid produktion av VIP:ar. Tre nyutvecklade nanoporösa kiselpulver har testats med olika stationära och transienta metoder. En inom projektet utvecklad testbädd som kan anslutas till TPS instrument (Transient Plane Source sensor), har använts för att mäta värmeledningsförmågan hos kärnmaterial för VIP:ar, vid varierande gastryck och olika mekaniska laster. Slutsatsen blev att transienta metoder är mindre lämpliga för utföra mätningar av värmeledningsförmåga för nanoporösa kiselpulver låg densitet. Avvikelsen i resultaten är dock minimal för densiteter ovan en gräns då värmeledningen genom fasta material blir dominerande jämfört med värmeöverföring genom strålning. Det andra syftet har varit att föreslå ett nytt monteringssystem för VIP:ar som kan användas för att förbättra energieffektiviteten i byggnader som är typiska för Miljonprogrammet. Genom parametrisk analys och dynamiska simuleringar har vi kommit fram till ett förslag på ett nytt monteringssystem för VIP:ar som har utvärderats genom fullskaleförsök i klimatkammare. Resultaten från fullskaleförsöken visar att den nya tekniska lösningen förbättrar väggens U-värde med upp till 56 %. En förbättrad värmegenomgångskoefficienten för väggen i mitten av en VIP blev mellan 0.118 till 0,132 W m-2K-1 och värmeledningstalet centre-av-panel 7 mW m-1K-1 uppnåddes. Detta arbete innehåller dessutom en ny metod för att mäta köldbryggor i anslutningar med hjälp av infraröd termografi. En effektiv värmeledningsförmåga för 10.9 mW m-1K-1 uppnåddes. Resultaten tyder även på att den verkliga termiska prestandan av VIP:ar i konstruktioner är något sämre än mätvärden för paneler i laboratorium. En effektiv värmeledningsförmåga av 10.9 mW m-1K-1 ger dock väggkonstruktionen en utmärkt termisk prestanda. Det tredje syftet har varit att bedöma miljöpåverkan av en VIP-isolerad byggnad, från produktion till drift, eftersom en livscykelanalys av hela byggnader som är isolerade med vakuumisoleringspaneler inte har gjorts tidigare. Slutsatsen var att VIP:ar har en större miljöpåverkan än traditionell isolering, i alla kategorier förutom ozonnedbrytande potential. VIP:ar har en mätbar påverkan på de totala utsläppen av växthusgaser och primärenergianvändningen i byggnader när både produktion och drift beaktas. Miljöpåverkan av de använda VIP:arna är dock positiv jämfört med GWP av en standardbyggnad (en minskning med 6 %) medan primärenergianvändningen ökade med 20 %. Slutsatsen var att ytterligare användning av VIP:ar gynnas av reducerad energiförbrukning och alternativa energikällor i produktionen av nanoporösa kiselpulver medan användningen av alternativa kärnmaterial och återvinning av VIP kärnor kan hjälpa till att minska miljöpåverkan. En känslighetsanalys visade att valet av VIP:ar har en betydande inverkan på miljöpåverkan, vilket ger möjlighet att reducera den totala användningen av primärenergi i en byggnad med 12 % och utsläppen av växthusgaser kan vara minska, så mycket som 11 % när det gäller både produktion och drift under 50 år. Avslutningsvis är det möjligt att dra slutsatsen att VIP:ar är ett mycket konkurrenskraftigt alternativ för att isolera byggnader som är typiska för Miljonprogrammet. Dock krävs ytterligare undersökningar för att minimera de mätbara miljöeffekter som förvärvats i denna LCA-studie för VIP-isolerade byggnader.

QC 20151109


Simulations of heat and moisture conditions in a retrofit wall construction with Vacuum Insulation Panels
Textural and thermal conductivity properties of a low density mesoporous silica material
A study of the thermal conductivity of granular silica materials for VIPs at different levels of gaseous pressure and external loads
Evaluation of the thermal conductivity of a new nanoporous silica material for VIPs – trends of thermal conductivity versus density
A comparative study of the environmental impact of Swedish residential buildings with vacuum insulation panels
ETICS with VIPs for improving buildings from the Swedish million unit program “Miljonprogrammet”
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Gohardani, Navid. "Promotion of sustainable renovation in the built environment : An early stage techno-economic approach." Licentiate thesis, KTH, Byggnadsteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102475.

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According to the Swedish Government's set targets for energy use and environmental quality imposed by the European Union, the total energy per heated unit area in residential and commercial buildings will have to be decreased by 20% in 2020 and 50% by 2050 in relation to the annual consumption of 1995. The building sector should additionally be completely independent of fossil fuels for energy usage, with the increasing sector of renewable energy continuously growing until 2020. In its current state, the number of multistory buildings and single-family houses in Sweden exceeds 4 000 000 units. In order to attain the set goals, renovation of the existing housing stock is a necessity given its current relatively slow turnover. As a result of the Swedish Million Unit Program undertaken during 1965−1974, about 750 000 apartments are currently in need of renovation in order to meet today's building standards. Simultaneously, new buildings are built with energy efficiency in mind. In this study an early stage methodology is developed for building refurbishment that takes advantage of a multi-faceted approach. The methodology comprises of multiple dimensions related to a techno-economic, environmental and building occupancy approach. The work presented herein includes a thorough literature review of decision making tools within the built environment and identifies major research efforts in sustainable refurbishment. The technical aspect of this study deals with the proper identification of high-efficient insulation materials that would serve one of the set purposes of energy efficiency when utilized within building envelopes. Further, results are shown for case studies, in which economic investments in Vacuum Insulation Panels (VIPs) and a coupled heat and moisture transport for predefined configurations of VIPs with supplementary insulation of balcony slabs and wall cross-sections are considered. The developed methodology also examines simulations of the total energy consumption utilizing a set of different insulation materials such as mineral wool and VIPs, for a number of locations in Northern and Southern Europe. The research findings of this study identify several aspects of a new developed tool for decision making, to be used in sustainable renovation and refurbishment.

QC 20120918

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Batard, Antoine. "Modélisation du comportement thermique à long terme des panneaux isolants sous vide : (PIV)." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI006/document.

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On peut distinguer deux familles d'isolants thermiques pour le bâtiment : les isolants dits traditionnels et les super-isolants qui se caractérisent par un pouvoir isolant plus performant qu'une simple lame d'air immobile (25 mW/m/K). Les Panneaux Isolants sous Vide (PIV) font partie de cette seconde catégorie. Un PIV n'est pas un matériau homogène, mais un système constitué d'un matériau de cœur mis sous vide et enfermé dans une enveloppe. La performance thermique du PIV repose sur la structure nano-poreuse du matériau de cœur et du vide primaire maintenu par l'enveloppe qui possède une très faible perméabilité aux gaz. Alors que les isolants traditionnels ont des conductivités thermiques allant de 21 mW/m/K pour la mousse polyuréthane à 50 mW/m/K pour les laines les moins performantes, celle des PIV est d'environ 4 mW/m/K à l'état neuf. Cependant, comme tout isolant, leur performance se dégrade dans le temps. Cette diminution de conductivité thermique est davantage préjudiciable pour les PIV à cause de leur très bonne performance initiale et de leur coût encore élevé. Il convient donc d'étudier l'évolution de leur performance thermique sur l'ensemble de leur durée de vie dans le bâtiment, c'est à dire 50 ans. Pour cela la modélisation a été choisie comme outil car l'expérimentation ne peut satisfaire ces durées d'étude. L'étude du comportement thermique des PIV passe par différents axes de recherches intervenant à différentes échelles.Le premier concerne les mécanismes de transferts des gaz à travers les enveloppes des PIV, aussi appelés complexes barrières. L'enjeu est d'améliorer notre compréhension sur les relations qui existent entre les propriétés morphologiques des complexes barrières et les phénomènes de diffusion de la vapeur d'eau et de l'air sec à travers les différentes couches de matériaux qui constituent ces complexes barrières. Les résultats obtenus ne permettent pas encore de proposer un modèle de diffusion juste à cette échelle, mais mettent en avant certaines tendances et mécanismes physiques qui ouvrent de nouvelles pistes d'exploration.Le deuxième axe de recherche s'intéresse au comportement hygro-thermique à l'échelle des panneaux. Un modèle numérique de PIV a été développé afin de prendre en compte ses propriétés géométriques, thermiques et hydriques dans le calcul la performance thermique globale du panneau. Le modèle intègre le vieillissement du matériau de cœur par la modification de son isotherme de sorption à la vapeur d'eau. Des PIV fabriqués avec différents types de matériaux de cœur sont étudiés dans différentes conditions constantes en température et humidité. Les résultats des simulations permettent de mieux comprendre l'évolution de la conductivité thermique des PIV, d'analyser leur comportement global et de déterminer les principales caractéristiques qui sont déterminantes pour améliorer leur performance.Enfin, la troisième partie des travaux de recherche est consacrée au développement d'une méthode d'analyse de la performance des PIV en conditions réelles d'installation dans un bâtiment, dans différent climats français et plusieurs applications d'isolation. L'objectif est tout d'abord de déterminer les sollicitations réelles auxquelles sont soumis les PIV mis en œuvre, et ensuite de simuler leur comportement thermique à long terme afin de prédire leur performance moyenne. Les résultats donnent des températures et humidités qui sont très variables selon les climats, les systèmes d'isolation et les saisons de l'année, mais celles-ci restent finalement relativement modérées. La performance thermique moyenne des PIV sur 50 ans dépend très peu des applications, mais plus des climats et encore plus du type de silice qui constitue leur matériau de cœur. Contrairement à ce que laissent supposer les essais à court terme, les silices hydrophobes sont les plus favorables. Selon les applications et les climats, la conductivité thermique moyenne des PIV peut varier entre 4,7 et 7,3 mW/m/K
Two types of thermal insulation materials exist for building application: the conventional insulation and the super-insulation materials which is characterized by an insulating performance higher than that of a simple layer of still air 25 mW/m/K). Vacuum Insulation Panels (VIP) belong to the second category. VIP is not a homogeneous material, but a product consisting of a core material maintained under vacuum by an envelope. The thermal performance of VIP is based on the nanoporous property of the core material and on the vacuum maintained by the envelope which has a very high gas barrier properties. While conventional insulation material has a thermal conductivity values from 21 mW/m/K for polyurethane foams to 50 mW/m/K for the worst wools, that of new VIPs is around 4 mW/m/K. Nevertheless, like every insulation materials, their performance degrades over time. This increase of thermal conductivity is even more detrimental for VIPs because of their very high initial performance and of their high cost. It is therefore important to study their thermal performance evolution over all their service-life in building, over 50 years. In order to manage this, modelling has been chosen, because experiments cannot be realised over such long periods. Studying the thermal performance of VIPs is going through different research topics which take place at different scales.The first one concerns the gas transfer mechanisms through the VIPs’ envelope, also called barrier complexes. The challenge is to improve our understanding of the relationship between the barrier complexes morphological properties and the water vapour and dry air diffusion phenomena through the different layers of materials which compose these barrier complexes. The results do not allow to provide a correct model at this scale, but put forward some trends and physical mechanisms that open up new avenues of exploration.The second research topic is focused on the hygro-thermal behaviour at panels’ scale. A numerical model of VIP has been developed in order to take into account its geometric, thermal and hygric properties in the global thermal performance calculation of the panel. The model integrates the ageing process of the core material by moving its water vapour sorption isotherm. VIPs made with different types of core material has been studied in different constant conditions of temperature and humidity. Simulation results allow to better understand the thermal conductivity evolution of VIPs, to analyse their global behaviour and to determine the main characteristics which are relevant to improve their performance.Then, the third part of the research studies is dedicated to the development of a method which allows to analyse the VIPs’ performance in real conditions of installation in building, in different French climate conditions and several insulation applications. The aim is first to determine the real solicitations imposed on VIP, and then to simulate their long-term thermal performance in order to predict their mean performance. Results show a large dispersion of solicitations submitted to VIPs according to the climate conditions and insulation systems. Temperatures and humidities are highly variable according to the seasons, but finally remain relatively moderate. It is turns out that the mean thermal performance of VIPs over 50 years differs little from applications, but more from climate conditions and even more from the type of silica used for the core material. Contrary to what the short term tests would suggest, hydrophobic silicas are most favourable. The mean thermal conductivity of VIPs can varies between 4.7 and 7.3 mW/m/K
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Books on the topic "Vaccum Insulation Panel"

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Attey, G. Hydrocool vacuum panel thermal insulation. Perth, W.A: Minerals and Energy Research Institute of Western Australia, 1994.

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Book chapters on the topic "Vaccum Insulation Panel"

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Grunert, W. E., and F. Notaro. "Vacuum Panel Insulation Systems." In Advances in Cryogenic Engineering, 690–700. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4757-0516-4_73.

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Mukhopadhyaya, Phalguni. "High Performance Thermal Insulations—Vacuum Insulation Panels (VIPs)." In Thermal Insulation and Radiation Control Technologies for Buildings, 275–88. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98693-3_10.

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Seitz, Aaron, Kaushik Biswas, Kenneth Childs, Lawrence Carbary, and Roland Serino. "High-Performance External Insulation and Finish System Incorporating Vacuum Insulation Panels—Foam Panel Composite and Hot Box Testing." In Next-Generation Thermal Insulation Challenges and Opportunities, 1–20. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp157420130093.

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Jelle, Bjørn Petter, and Simen Edsjø Kalnæs. "Nanotech Based Vacuum Insulation Panels for Building Applications." In Nano and Biotech Based Materials for Energy Building Efficiency, 167–214. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27505-5_7.

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Chen, Zhaofeng, and Qiong Wu. "Application of Vacuum Insulation Panels (VIPs) in Buildings." In Thermal Insulation and Radiation Control Technologies for Buildings, 289–346. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98693-3_11.

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Chen, Zhaofeng, and Qiong Wu. "Application of Vacuum Insulation Panels (VIPs) in Buildings." In Thermal Insulation and Radiation Control Technologies for Buildings, 289–346. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98693-3_11.

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Verma, Sankarshan, and Harjit Singh. "Vacuum Insulation Panels for Thermal Energy Storage Systems." In Innovative Renewable Energy, 137–41. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-76221-6_20.

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Mukhopadhyaya, Phalguni, David van Reenen, and Nicole Normandin. "Performance of Vacuum Insulation Panel Constructed With Fiber–Powder Composite as Core Material." In Next-Generation Thermal Insulation Challenges and Opportunities, 1–10. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp157420130105.

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Jelle, Bjørn Petter, and Simen Edsjø Kalnæs. "Erratum to: Nanotech Based Vacuum Insulation Panels for Building Applications." In Nano and Biotech Based Materials for Energy Building Efficiency, E1. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27505-5_18.

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Jelle, Bjørn Petter, Erland Sveipe, Erland Wegger, Sivert Uvsløkk, Steinar Grynning, Jan Vincent Thue, Berit Time, and Arild Gustavsen. "Moisture Robustness During Retrofitting of Timber Frame Walls with Vacuum Insulation Panels: Experimental and Theoretical Studies." In Hygrothermal Behavior, Building Pathology and Durability, 183–210. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31158-1_9.

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Conference papers on the topic "Vaccum Insulation Panel"

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Jones, Scott J. "High Performance Barrier Films for Vacuum Insulation Panels." In 61st Society of Vacuum Coaters Annual Technical Conference. Society of Vacuum Coaters, 2018. http://dx.doi.org/10.14332/svc18.proc.0016.

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Bishop, H. E. "Electron Emitters for Flat Panel Displays." In 2006 International Symposium on Discharges and Electrical Insulation in Vacuum. IEEE, 2006. http://dx.doi.org/10.1109/deiv.2006.357433.

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Kim, Jongmin, Yongwan Jin, Intaek Han, and Deokhyeon Choe. "Flat Panel Display Using Carbon Nanotube." In 2006 International Symposium on Discharges and Electrical Insulation in Vacuum. IEEE, 2006. http://dx.doi.org/10.1109/deiv.2006.357448.

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"Panel discussions on very high current interruption in vacuum." In 2008 23rd International Symposium on Discharges and Electrical Insulation in Vacuum. IEEE, 2008. http://dx.doi.org/10.1109/deiv.2008.4676692.

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Schiedel, Matthew, Cynthia A. Cruickshank, and Christopher Baldwin. "In-Situ Experimental Validation of THERM Finite Element Analysis for a High R-Value Wall Using Vacuum Insulation Panels." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18207.

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Team Ontario is one of twenty collegiate teams selected to design and build a solar powered, net positive home for the U.S. Department of Energy Solar Decathlon 2013. One aspect of Team Ontario’s competition design entry is a high R-value wall using vacuum insulation panels. This paper details the method used for theoretical evaluation of the high R-value wall, stating all simplifying assumptions made. Theoretical simulations were performed in THERM, a two dimensional finite element heat transfer modelling program. Following a weighted average method used by industry experts, the whole-wall thermal resistance value was calculated. To verify the modelling results, an in-situ experimental validation was conducted. An 8′ × 8′ wall test specimen was built to the specifications of Team Ontario’s wall design. Experimental heat flux and temperature readings were collected from the test specimen in Carleton University’s Vacuum Insulation Test Facility located in Ottawa, Ontario, Canada, with the test specimen exposed to exterior weather elements. The experimental and theoretical results are compared and conclusions drawn to determine the effective thermal resistance of the vacuum insulation panels installed in the wall assembly. Finally the theoretical model is refined based on the previous study and a more accurate whole-wall thermal resistance of Team Ontario’s wall design is determined.
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Conley, Brock, Cynthia Ann Cruickshank, and Mark Carver. "Hygrothermal Analysis of a Vapour-Open Assembly with Vacuum Insulation Panels." In 7th International Building Physics Conference. Syracuse, New York: International Association of Building Physics (IABP), 2018. http://dx.doi.org/10.14305/ibpc.2018.be-3.02.

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Sankaran, M., E. P. Suresh, and S. B. Gupta. "Solar panel-space plasma interaction studies in India." In 2014 International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV). IEEE, 2014. http://dx.doi.org/10.1109/deiv.2014.6961783.

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Bishop, H. E. "The Role of Hop and Flue Plates in Flat Panel Displays." In 2006 International Symposium on Discharges and Electrical Insulation in Vacuum. IEEE, 2006. http://dx.doi.org/10.1109/deiv.2006.357444.

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Lee, Jaehyug, and Tae-Ho Song. "EFFECT OF RADIATION AROUND CORE/SHIELD CONTACT SPOTS IN VACUUM INSULATION PANELS." In Proceedings of the 8th International Symposium on Radiative Transfer, RAD-16 June 6-10,2016, Cappadocia, Turkey. Connecticut: Begellhouse, 2016. http://dx.doi.org/10.1615/rad-16.340.

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Yamamoto, Hideya, and Daisuke Ogura. "Prediction of the long-term performance of vacuum insulation panel installed in real building environments." In 7th International Building Physics Conference. Syracuse, New York: International Association of Building Physics (IABP), 2018. http://dx.doi.org/10.14305/ibpc.2018.be-3.04.

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Reports on the topic "Vaccum Insulation Panel"

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Childs, Kenneth W., Kaushik Biswas, and Jerald Allen Atchley. Exterior Insulation Systems Containing Vacuum Insulation Panels Tested Using a Heat Flux Meter Apparatus. Office of Scientific and Technical Information (OSTI), November 2012. http://dx.doi.org/10.2172/1093048.

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