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Добірка наукової літератури з теми "Chimneys Design and construction"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 29 січня 2023

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Статті в журналах з теми "Chimneys Design and construction"

Fang, Zhicheng, Wanjiang Wang, Yanhui Chen, and Junkang Song. "Structural and Heat Transfer Model Analysis of Wall-Mounted Solar Chimney Inlets and Outlets in Single-Story Buildings." Buildings 12, no. 11 (October 26, 2022): 1790. http://dx.doi.org/10.3390/buildings12111790.

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Wall-mounted solar chimneys use solar radiation to heat the air inside the chimney cavity and use thermal pressure to create natural convection. Applying this principle allows for the indoor ventilation of a building without energy consumption. However, in wall-mounted solar chimney designs, different air inlet and outlet design dimensions can have varying degrees of impact on the effectiveness of wall-mounted solar chimney ventilation. In order to analyze the internal airflow state and airflow temperature field distribution of wall-mounted solar chimneys, physical models of wall-mounted solar chimneys with six different air outlet-to-inlet cross-sectional area ratios were developed in this research work. Before numerical simulation analysis, heat transfer analysis of the wall-mounted solar chimney’s structural components and airflow channels was carried out, and corresponding mathematical heat transfer models were established. The internal flow state and temperature distribution characteristics of a wall-mounted solar chimney were analyzed by steady-state simulations using the computational fluid dynamics software, Ansys Fluent. Finally, transient simulation calculation analysis was conducted under six different S-value models to investigate the variation in the natural ventilation of a single-story building’s wall-mounted solar chimney for a whole day. The study showed that under the same simulation conditions, 80% ≤ S < 100% effectively avoided the formation of vortices in the internal airflow of the wall-mounted solar chimneys and kept the ventilation effect of wall-mounted solar chimneys at a high level. The results of this study provide a reference for the optimization of research on the design of the air inlet and outlet structures of wall-mounted solar chimneys for single-story buildings.

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Harte, Reinhard, Martin Graffmann, and Wilfried B. Krätzig. "Optimization of Solar Updraft Chimneys by Nonlinear Response Analysis." Applied Mechanics and Materials 283 (January 2013): 25–34. http://dx.doi.org/10.4028/www.scientific.net/amm.283.25.

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Solar updraft chimneys (SUCs) form as engines of solar updraft power plants tower-like shell structures of extreme height with rather thin shell walls, similar to high chimneys comprising multiple flue gas ducts. The height of pre-designed SUCs presently reaches up to 1000 m. Thus they are exposed chiefly to extreme wind-loads and thermal actions from the internal flow of warm air. As first design attempt, the structural analysis of solar chimneys generally is carried out by linear elastic models. For optimization, the typical shell-like wind stresses have to be constraint towards a more beam-like response behavior, approaching as far as possible linear stresses over the entire chimney circumference. This requires rather strong ring stiffeners, either as spoke-wheels in the designs of sbp (Schlaich Bergermann and Partners) or as external stiffeners in the designs of K&P (Krätzig and Partners). Both alternatives require considerable construction efforts leading to high investment costs. There exists an interesting simplification of this stiffening, namely applying to the SUC shell relatively soft external rings, and admitting large-widths cracking in the limit state of failure. This cracking constraints and equalizes the meridional stresses over the chimney’s cross-section, saving large amounts of reinforcement steel in the SUC. The design requires materially nonlinear analyses to verify the internal forces under crack-formations. The manuscript will derive this concept and demonstrate the crack analysis by example of a 750 m high solar chimney.

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Liu, Hong Bin, and Meng Li. "Heightening Design and Construction of the Reinforcement Concrete Chimney in Heated State." Advanced Materials Research 243-249 (May 2011): 5610–13. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.5610.

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This paper introduced a project of reinforced concrete chimney with a height of 90 meters, which does not stop construction at nearly 200 degree Celsius, increased the height of the chimney with 10 meters. Reasonable structural measures were promoted to ensure the normal pouring of concrete chimneys. Compared with the normal condition, this measure is economical, low investment, feasible, etc. It provides far-reaching significance that increasing the height of the reinforced concrete chimney at the high temperature state.

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Ekechukwu, O. V., and B. Norton. "Design and Measured Performance of a Solar Chimney for Natural Circulation Solar Energy Dryers." Journal of Solar Energy Engineering 118, no. 1 (February 1, 1996): 69–71. http://dx.doi.org/10.1115/1.2847956.

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An experimental solar chimney consisted of a cylindrical polyethylene-clad vertical chamber supported by steel framework and draped internally with a selectively absorbing surface. The performance of the chimney which was monitored extensively is reported. Issues related to the design and construction of solar chimneys for natural circulation solar energy dryers are discussed.

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Nguyen, Y. Quoc, Viet T. Nguyen, Long T. Tran, and John C. Wells. "CFD Analysis of Different Ventilation Strategies for a Room with a Heated Wall." Buildings 12, no. 9 (August 25, 2022): 1300. http://dx.doi.org/10.3390/buildings12091300.

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Solar chimneys can help to reduce solar heat gain on a building envelope and to enhance natural ventilation. In this work, we proposed three configurations of two solar chimneys combined with a heated wall for the natural ventilation of a room: (I) the chimneys are connected serially, (II) the chimneys are parallel and exhaust air at two separate outlets, and (III) the chimneys are parallel, but the outlets are combined. The airflow rate achieved with each configuration was predicted with a Computational Fluid Dynamics model. The results show the effects of the heat flux in each channel and the geometries of the channels. Configuration (II) shows the highest flow rate. Particularly, the proposed configurations enhance the flow rate significantly and up to 40% when compared to the typical setup with a single channel solar chimney. The findings offer a novel design option for building façades for reducing solar heat gain and enhancing natural ventilation.

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Abaev, Z. K., M. Yu Kodzaev, and A. D. Valiev. "ASSESSMENT OF THE SEISMIC RESISTANCE DEFICIT OF BRICK MASONRY CHIMNEY ACCORDING TO RELEVANT DESIGN CODES." Construction and industrial safety, no. 19 (71) (2020): 13–25. http://dx.doi.org/10.37279/2413-1873-2020-19-13-25.

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Most of the brick masonry chimneys located in earthquake-prone areas were built long before the current design codes were adopted, which poses a great threat to the sustainable operation and development of the city industry as a whole. This article presents a consistent example of assessing the deficit of earthquake resistance of a brick masonry chimney and gives general conclusions about changes in main coefficients of designed codes. This study aims to quantify the deficit of earthquake resistance of brick masonry chimney according to the relevant Building Codes “SP 14.13330.2018 Construction in seismic areas”.

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Lišková, Zuzana, and Juraj Olbřímek. "Comparison of Requirements in Slovak and Selected Foreign Legislation on the Issue of Safe Distance of the Wooden Building Structures from the Flue." Applied Mechanics and Materials 820 (January 2016): 396–401. http://dx.doi.org/10.4028/www.scientific.net/amm.820.396.

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The paper deals with the solution of interconnections of flue and combustible construction products in the fire safety design. It is focused mainly on a prescribed value of safe distance of the wooden building construction from a single-walled metal chimneys. The aim of article is to point out the necessity to solve the contradictory requirements in the Slovak legislation and inconsistency with the foreign regulations in terms of fire rates caused by chimneys and flues.

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Bhatt, Megha, and Sandip A. Vasanwala. "Scaling of RC Chimney for the Experimental Investigation under Lateral Load." International Journal of Innovative Technology and Exploring Engineering 11, no. 2 (December 30, 2021): 43–51. http://dx.doi.org/10.35940/ijitee.b9652.1211221.

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Reinforced concrete chimneys are tall industrial structures specially used in power plants to expel waste gases at high enough elevation. Based on the study of various literature available for the subject, various geometrical, material, and loading parameters to be followed to prepare the test specimens are presented in this paper so that the test specimen represents the behaviour of the actual RC chimney. The special construction process required to be followed is described in this paper along with the various analytical checks to be performed before the actual application of lateral loads on test specimens. Different design standards give different design recommendations mainly in terms of the stress-strain curve of concrete and steel. So, various experimental tests performed by applying the lateral load on specially designed and casted test specimens which represents the actual chimney in the field helps the researchers to compare the various design standards and helps the industry to opt for the same.

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Leng, Pau Chung, Siew Bee Aw, Nor Eeda Haji Ali, Gabriel Hoh Teck Ling, Yoke Lai Lee, and Mohd Hamdan Ahmad. "Solar Chimneys as an Effective Ventilation Strategy in Multi-Storey Public Housing in the Post-COVID-19 Era." Buildings 12, no. 6 (June 13, 2022): 820. http://dx.doi.org/10.3390/buildings12060820.

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This paper studies the effectiveness of a solar chimney for improving ventilation and air-exchange rates in multi-storey public housing in tropical climates for the potential mitigation of airborne disease transmission. Virtual models of a typical apartment room with natural cross-ventilation, replicated across four levels to mimic a multi-storey block, were set up with six internal wind velocity sensor points per floor. The simulation software Energy2D was then used to evaluate the performance of the models, first testing the presence of a solar chimney, and then additionally the degree to which the solar chimney model was affected by a complementary ceiling fan. Wind velocity was also measured, as this is a variable that affects ACH rates. Using a non-parametric Wilcoxon signed-rank test, the introduction of a solar chimney was found to have a significant impact on air-flow rates (a variable that positively affects air-exchange rates), resulting in a p-value of 0.000 and Z-value of −3.920. Regression analysis determined that the solar chimney’s effect was enhanced when complemented by a ceiling fan (R-squared value of 0.4687). Consequently, we propose several design strategies that may enable the adoption of the solar chimney concept to improve natural ventilation in residential units.

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Harte, Reinhard, Markus Tschersich, Rüdiger Höffer, and Tarek Mekhail. "DESIGN AND CONSTRUCTION OF A PROTOTYPE SOLAR UPDRAFT CHIMNEY IN ASWAN/EGYPT." Acta Polytechnica 57, no. 3 (June 30, 2017): 167–81. http://dx.doi.org/10.14311/ap.2017.57.0167.

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This work is part of a joint project funded by the Science and Technology Development Fund (STDF) of the Arab republic of Egypt and the Federal Ministry of Education and Research (BMBF) of the Federal Republic of Germany. Continuation of the use of fossil fuels in electricity production systems causes many problems such as: global warming, other environmental concerns, the depletion of fossil fuels reserves and continuing rise in the price of fuels. One of the most promising paths to solve the energy crisis is utilizing the renewable energy resources. In Egypt, high insolation and more than 90 percent available desert lands are two main factors that encourage the full development of solar power plants for thermal and electrical energy production. With an average temperature of about 40 °C for more than half of the year and average annual sunshine of about 3200 hours, which is close to the theoretical maximum annual sunshine hours, Aswan is one of the hottest and sunniest cities in the world. This climatic condition makes the city an ideal place for implementing solar energy harvesting projects from solar updraft tower. Therefore, a Solar Chimney Power Plant (SCPP) is being installed at Aswan City. The chimney height is 20.0 m, its diameter is 1.0m and the collector is a four-sided pyramid, which has a side length of 28.5 m. A mathematical model is used to predict its performance. The model shows that the plant can produce a maximum theoretical power of 2 kW. Moreover, a CFD code is used to analyse the temperature and velocity distribution inside the collector, turbine and chimney at different operating conditions. Static calculations, including dead weight and wind forces on the solar updraft chimney and its solar collector, have been performed for the prototype. Mechanical loading and ambient impact on highly used industrial structures such as chimneys and masts cause lifetime-related deteriorations. Structural degradations occur not only from rare extreme loading events, but often as a result of the ensemble of load effects during the life-time of the structure. A Structural Health Monitoring (SHM), framework for continuous monitoring, is implemented on the solar tower. For the ongoing case study, the types of impacts, the development of the strategic sensor positioning concept, examples of the initially obtained results and further prospects are discussed. Additional wind tunnel tests have been performed to investigate the flow situation underneath the solar collector and inside the transition section. The flow situation in and around the SCPP has been simulated by a combination of the wind tunnel flow and a second flow inside the solar tower. Different wind tunnel velocities and volume flow rates have been measured respectively. Particle Image Velocimetry (PIV) measurements give some indication of the flow situation on the in- and outside of the solar tower and underneath the collector roof. Numerical simulations have been performed with the ANSYS Fluent to validate the experimental tests.

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Дисертації з теми "Chimneys Design and construction"

Beviss-Challinor, Lauren Margaret. "Design, build and test a passive thermal system for a loft : a roof solar chimney application for South African weather conditions." Thesis, Stellenbosch : Stellenbosch University, 2007. http://hdl.handle.net/10019.1/348.

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Thesis (MEng (Mechanical and Mechatronic Engineering))--Stellenbosch University, 2007.
ENGLISH: The design, construction and testing of a passive thermal system, a roof solar chimney, for a loft is considered. Unlike conventional solar chimneys the solar collector is constructed from corrugated iron roof sheets with the aim that it can be integrated into existing buildings at a lower cost or used in low cost housing developments. The main objective of the study was to determine the feasibility of such low-cost design to regulate thermal conditions in a loft, that is heating the loft during winter and enhancing natural ventilation during summer, by carrying out an experimental and analytical study. The results obtained from the experimental study showed that for winter the solar chimney, having a channel width, depth and length of 0.7 m, 0.1 m and 1.8 m respectively and with a peal solar radiation of 850 W/m², heated the room air 5°C higher than the ambient temperature during the hottest periods of the day, which is only marginally better than a loft with conventional roof insulation. At night, it was found that reverse airflow occurred through the chimney, cooling the loft down to ambient temperature, due to radiation heat loss from the roof collector to the night sky. For summer operation, the experimental data showed that the chimney was able to maintain the loft at ambient temperature and the analytical study found that the chimney was able to enhance natural ventilation effectively, reaching air exchange rate of 6.6 per hour for the 4.6 m³ volume space. It was also found that the chimney’s performance dropped rapidly and significantly during periods of low solar radiation and at night. A sensitivity analysis illustrated that for both summer and winter operation, the size, tilt angle and absorptivity of the roof collector greatly effected the efficiency and mass flow rates of the system, agreeing well with other literature. These results prove that this low cost solar chimney cooling design was feasible to enhance natural ventilation mainly during hot summer conditions with high solar radiation. Compared to a loft with only conventional roof insulation, the chimney did not perform effectively during the winter to heat the loft up, meaning that winter operation for this specific design is not feasible. Possible improvements to the design include using construction materials with higher thermal capacities to retain heat energy and ensure continued operation during periods of low solar radiation, as well as using selective absorber coatings on the collector surface. It is recommended that further work on the project include the integration of these improvements into the present design and to use the findings obtained from the sensitivity analysis to improve system efficiencies. CFD analysis of the test-rig will be insightful as an additional means to validate and compare with the analytical and experimental data obtained in this report. With the continuation of these studies, this low-cost solar chimney design can be optimised, validated on a commercial scale and built into existing and new housing developments. Incorporating such a passive thermal device will aid homeowners in air regulation and thermal comfort of their living space as well as saving on energy requirements.
Sponsored by the Centre for Renewable and Sustainable Energy Studies, Stellenbosch University

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Van, Dyk Cobus. "The realisation of the solar chimney inlet guide vanes." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50175.

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Thesis (MScEng)--University of Stellenbosch, 2004.
ENGLISH ABSTRACT: Up to this point in time research on the South African solar chimney, proposed for a site in the Northern Cape, comprised of determining the structural integrity of the chimney structure, as well as airflow calculation, finding the optimal shape for the airflow channels. Not much work had been done on the realisation of the foundation of the global structure, i.e. how the cardinal parts are optimized in an integrated system. The inlet guide vanes (IGV's) should be central in such research efforts, being the main support of gravitational and lateral wind load on the chimney structure, as well as its important role in channelling air and creating pre-swirl of the airflow onto the turbine blades. However, little detailed research - research to actually determine and fix the many variables of the IGV's and integration with surrounding parts - had been performed! In this thesis as many of these variables as possible are investigated - ranging from structural integrity with regard to compressive and shear strength through optimizing structure eigenfrequency to economic feasibility. The outcome of this study is conceptual solutions regarding the geometry of the IGV structures in order for it to support the chimney while minimizing material volume. Finite element methods are used to create insight into the behaviour of the IGV's and force transferring structures, incorporating external factors such as lateral wind and gravitational loadsto determine the optimal shape of these structures. This study is valuable for researchers on the solar chimney, serving as a reference from where to design and secure the variables of the global structure, and eventually building the solar chimney. Keywords: Solar chimney, inlet guide vanes, solar power, massive concrete structures, structural realisation, finite element application, structure optimisation.
AFRIKAANSE OPSOMMING: Tot op hede het die navorsing op die Suid Afrikaanse sonskoorsteen, wat beplan word vir konstruksie in die Noordkaap, bestaan uit die bepaling van die integriteit van die struktuur asook lugvloei berekeninge om die optimale vorm van die lugvloei kanale te lewer. Min werk is gedoen om die fondasies van die globale struktuur, dus hoe die kardinale dele geïntegreer is in die gesamentlike sisteem, te ondersoek. Die inlaat lei lemme behoort sentraal te lê in sulke navorsingspogings aangesien dit die hoof ondersteuner en verspreider van gravitasie en laterale windlaste op die skoorsteen struktuur is. Dit speelook 'n integrale rol in die kanalisering van invloeiende lug om dit vooraf 'n vorteks beweging te gee vir 'n optimale invalshoek op die turbine lemme. Min gedetaileerde navorsing - navorsing om die verskeie onbekende faktore rondom die inlaat lei lemme en die omliggende strukture te bepaal - is tot op hede gedoen. Hierdie tesis mik om soveel moontlik van hierdie veranderlikes - wat reik van struktuur integriteit met betrekking tot die samedrukkings- en skuifsterktes in die materiaal tot die eie-frekwensies en ekonomiese vatbaarheid van die struktuur - vas te stel. Die uitkoms van hierdie studie is konseptueie oplossings vir die geometrie van die inlaat lei lem strukture wat terselfdertyd die totale struktuur se materiaal volume minimiseer. Eindige element metodes word gebruik om insig in die gedrag van die inlaat lei lemme en ander strukture wat krag oordra, te genereer. Die metodes inkorporeer soveel as moontlik van die eksterne faktore soos gravitasie en laterale windlas om die optimale geometrie vir die betrokke struktuur te bepaal. Hierdie studie is waardevol vir navorsers oor die sonskoorsteen en dien as 'n bron waaruit verdere ontwerp en die vasstel van veranderlikes in die globale struktuur gedoen kan word met die oog op die uiteindelike daarstelling van 'n sonskoorsteen.

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Reddy, K. Ranga. "Study And Design Of Two-Thirds Power Weir." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/221.

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This thesis is devoted to the study and designs of two important proportional weirs having the discharge-head characteristics of Q α H 2/3 In the first design a geometrically simple weir in the form of a rectangular weir over a inverted V-notch (Chimney weir) is presented. This weir gives for all flows above a threshold depth a discharge proportional to H 2/3 within a maximum percentage error of ±1.5, (measured above a reference plane) within certain limits of head. Second design is concerned with the self-basing weir in which a portion of the weir above the crest acts as a base. This design is achieved by using the complementary weir profile of a Quadratic weir above the parabolic base which has the significant property of fast convergence. This weir gives discharge for all flows above the threshold depth, proportional to (head)2/3 measured above a reference plane, with increasing accuracy as head increases. Experiments with these two weirs confirm the theory by giving a constant average Coefficient of Discharge (Cd) of 0.62. The importance of these weirs as a sensitive discharge measuring device in field and laboratory is highlighted.

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Aizpurua, Aldasoro Hodei [Verfasser]. "On Gust Buffeting Design of Slender Chimneys – Building Interference and Fatigue / Hodei Aizpurua Aldasoro." Aachen : Shaker, 2015. http://d-nb.info/1071528025/34.

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Aizpurua, Aldasoro Hodei [Verfasser], and Udo [Akademischer Betreuer] Peil. "On Gust Buffeting Design of Slender Chimneys - Building Interference and Fatigue / Hodei Aizpurua Aldasoro ; Betreuer: Udo Peil." Braunschweig : Technische Universität Braunschweig, 2014. http://d-nb.info/1175819867/34.

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Westerhoff, Kevin M. (Kevin Matthew) 1978. "Construction based design." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/84827.

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Xie, Xiaoling. "Communications in construction design." Thesis, Loughborough University, 2002. https://dspace.lboro.ac.uk/2134/7571.

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Construction design has become an increasingly complex synthesis activity for which effective solutions depend upon co-operative participation by a number of people. Thus communication, including the integration of specialised knowledge and negotiation of differences between team members, is a vital process for collaborative design. A questionnaire survey was initially conducted to investigate communication issues and problems, which had been highlighted from a review of the literature, in current construction design. The results confirmed that communication among the different construction team members is often difficult although of paramount important to design outcomes. Based on these results, case studies have been carried out to gain further insights into communication issues and problems, and explore why and how they are caused. Through the application of multiple approaches, a model has been developed, which suggests strategies that may help participants communicate more effectively and ultimately improve the quality of construction design outcomes.

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Soto, Leticia S. M. Massachusetts Institute of Technology. "Construction design as a process for flow : applying lean principles to construction design." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42995.

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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 2007.
Includes bibliographical references (p. 108-111).
Delays and cost overruns are the rule rather than the exception in the construction industry. Design changes due to lack of constructability late in the construction phase generating costly ripple effect which create delay and disruption throughout the entire organization, are the largest contributors to the stated rule. In the building construction industry, of increased competitiveness, demand from many companies continued effort to develop new methods and tools, in which the design for quality, cost, construability and reliability play an important role. The planning and management of building design has historically focused upon traditional methods of planning such as Critical Path Method (CPM). Little effort is made to understand the complexities of the design process; instead design managers focus on allocating work packages where the planned output is a set of deliverables. This current design method forces design teams to manage their work on a discipline basis, each working on achieving their deliverable as dictated by the design program with little regard of the relationship with other disciplines and organizations. In addition, because Architect and Engineering firms view design and construction as two separate independent phases of work in project it makes it difficult to verify constructability in a design and create flow in the overall process. The goal of this study is to look at how aligning interests, objectives and practices based on lean fundamentals, during the earliest stages of a project, as a method of improving construction performance.
by Leticia Soto.
S.M.

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Sebille, Michel. "Design :construction, automorphisms and colourings." Doctoral thesis, Universite Libre de Bruxelles, 2002. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211428.

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Chew, En Phin. "Superconducting Transformer Design and Construction." Thesis, University of Canterbury. Electrical and Computer Engineering, 2010. http://hdl.handle.net/10092/4977.

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This thesis first outlines the testing undertaken on a partial core superconducting transformer under open circuit, short circuit, full load and endurance test conditions. During the endurance test, a failure occurred after 1 minute and 35 seconds. During the failure, voltage dipping and rapid liquid nitrogen boil off was observed. This prompted a failure investigation which concluded that the lack of cooling in the windings was the most probable cause to the failure. Full core transformer and superconductor theories are then introduced. A copper winding transformer model, based on a Steinmetz equivalent circuit and a reverse design method, is described. A superconductor loss model which outlines the different types of losses experienced under AC conditions is used to determine the resistance of the windings in the Steinmetz equivalent circuit. This resistance changes with the magnitude of current and the strength of the magnetic field that is present in the gaps between each layer of the windings. An alternative leakage flux model is then presented, where the flux is modelled based on the combination of the reluctance of the core and the air surrounding the windings. Based on these theories, an iterative algorithm to calculate the resistance of the superconductor is developed. A new design of a 15kVA single phase full core superconducting transformer, operating in liquid nitrogen, is presented. The issues with building the superconducting transformer are outlined. First, a copper mockup of the superconducting transformer was designed where the mockup would have the same tape and winding dimensions as the superconducting transformer, which means the same core can be used for two different sets of windings. This led to designing a core that could be easily taken apart as well as reassembled. Construction of the core, the copper windings and the superconductor windings ensued. The process of cutting the core laminations, insulating the copper and superconductor tapes, and making the steel fasteners and terminations are described. The copper mockup and superconducting transformers was then tested under open circuit, short circuit, different load and endurance conditions at both liquid nitrogen and room temperatures. These test results were then compared with the those from two models. The comparison showed a significant inaccuracy in the reactances in the models. This introduced a correction factor into the superconductor model which ii made it more accurate. However, further work is required to explain and quantify the correction factors for the copper transformer model under different load conditions.

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Книги з теми "Chimneys Design and construction"

Fireplace secrets: A problem-solving manual for fireplaces and chimneys. Bloomington, Indiana]: Xlibris, 2016.

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Douet, James. Going up in smoke: The history of the industrial chimney. London: The Victorian Society, 1989.

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Amrhein, James E. Residential masonry fireplace and chimney handbook. 2nd ed. Los Angeles, CA: Masonry Institute of America, 1995.

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Amrhein, James E. Residential masonry fireplace and chimney handbook. 3rd ed. [Los Angeles, CA ]: Masonry Institute of America, 2004.

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American Society of Civil Engineers., ed. Design of fiberglass-reinforced plastic (FRP) stacks. Reston, Va: American Society of Civil Engineers, 2010.

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The solar chimney: Electricity from the sun. Stuttgart: A. Menges, 1995.

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Remiasz, Mile Victoria, ed. Hats, design & construction. 2nd ed. Evergreen Park, Ill: Hat Tree Studio, 1986.

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Costume construction. Englewood Cliffs, NJ: Prentice-Hall, 1989.

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Furniture by design: Design, construction & technique. New York: Lyons & Burford, 1997.

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Juhásová, Emília. Namáhania betónových komínov a chladiacich veží pri dynamických účinkoch. Bratislava: Veda, 1990.

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Частини книг з теми "Chimneys Design and construction"

Jha, D. K., and V. S. Phanikanth. "Design of Reinforced Concrete Chimneys." In Textbook of Seismic Design, 215–33. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3176-3_7.

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Pradlwarter, H. J., H. Bottenbruch, G. I. Schnëller, and C. G. Bucher. "Design of Industrial R/C Chimneys." In Structural Dynamics, 438–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-88298-2_17.

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Maisel, Jordana L., Edward Steinfeld, Megan Basnak, Korydon Smith, and M. Beth Tauke. "Construction." In Inclusive Design, 97–124. New York : Routledge, 2017. | Series: PocketArchitecture : technical design series: Routledge, 2017. http://dx.doi.org/10.4324/9781315712437-4.

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Chappell, David. "Design." In Construction Contracts, 90–102. Fourth edition. | Abingdon, Oxon; New York: Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.1201/9781003080930-10.

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Chappell, David. "Design." In Construction Contracts, 90–102. Fourth edition. | Abingdon, Oxon; New York: Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.4324/9781003080930-10.

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Beadnall, Stuart, and Simon Moore. "Design risk." In Offshore Construction, 47–72. 2nd ed. London: Informa Law from Routledge, 2021. http://dx.doi.org/10.4324/9780367855574-3.

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Lengenfeld, J. "Simply complex: Case studies on complex stone constructions of High Medieval courtly chimneys." In History of Construction Cultures, 55–62. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003173434-111.

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Mosley, W. H., J. H. Bungey, and R. Hulse. "Composite construction." In Reinforced Concrete Design, 350–73. London: Macmillan Education UK, 1999. http://dx.doi.org/10.1007/978-1-349-14911-7_13.

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McLean, Will, and Pete Silver. "Construction Technology." In Environmental Design Sourcebook, 66–97. London: RIBA Publishing, 2021. http://dx.doi.org/10.4324/9781003189046-3.

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Houben, Hugo, and Hubert Guillard. "10. Design Guidelines." In Earth Construction, 244–303. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 1989. http://dx.doi.org/10.3362/9781780444826.010.

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Тези доповідей конференцій з теми "Chimneys Design and construction"

Chappell, Ryan D., Michael J. Congdon, and Jesse J. French. "Design, Construction, and Testing of a Small Scale Solar Chimney for Nomadic Herdsmen." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91194.

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The basic solar chimney concept remains largely unchanged since being proposed nearly a century ago. The air inside a collector heats up, and becomes less dense and begins rising toward the center of the collector as the covering is sloped upward towards a centrally located chimney. Heat and air flow increases as it moves toward the chimney. When a turbine is placed in this chimney, electricity can be generated from the air flow. Using previously published research [1] on small scale solar chimneys, the authors designed and fabricated a small scale solar chimney. Performance variables were optimized to achieve peak performance and theoretical electrical output. The solar chimney was designed to achieve low material cost, and minimal maintenance effort without the use of heavy machinery. The solar chimney designed by the authors was constructed and tested for implementation in remote regions where land space is practically unrestricted and electrical power is desired for lighting and communication. The project team conducted an assessment of one likely location for this solar chimney in Northern Mongolia during the summer of 2011. There are nomadic people groups who do not have electrical power but have vast amounts of land at their disposal. The solar chimney is a potential source of electricity for these people groups, as it was also designed to be transportable, lightweight, and inexpensive.

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Wong, Nyuk Hien, Alex Yong Kwang Tan, Kian Seng Ang, Stephen Mok, and Alice Goh. "Performance Evaluation of Solar Chimney System in the Tropics." In International Conference on Sustainable Design and Construction (ICSDC) 2011. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/41204(426)38.

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Malda, Octavika, I. Gde Budi Indrawan, and Akmaluddin. "Rock Mass Classifications of Flysch Deposits for Analyses of Tunnel Behaviour and Support System-A Case Study of Design Evaluation of Tunnel 6 of Jakarta-Bandung High-Speed Railway." In The 2nd International Conference on Technology for Sustainable Development. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/p-h979jd.

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Tunnel 6 of the Jakarta-Bandung high-speed railway is the longest mountain tunnel in Indonesia. This study aimed to evaluate the behaviour of rock masses surrounding the tunnel and support system by conducting surface and subsurface engineering geological investigations. The rock masses at the tunnel construction area were classified based on the Rock Quality Designation (RQD), Rock Mass Rating (RMR), Tunnelling Quality Index (Q), and Geological Strength Index (GSI) systems. The surface and subsurface investigation results show that the tunnel construction area consists of Quaternary volcanic rocks overlying Tertiary sedimentary rocks of the Jatiluhur Formation. The sedimentary rocks have characteristics similar to flysch deposits and are classified as poor to good quality rock masses. The regional tectonic setting had likely worsened the rock mass conditions. Down to a 10 m depth, the rock mass quality is controlled by the RQD value, which correlates with the grain size distribution of the rock masses. The rock masses surrounding the tunnel are anticipated to have an anisotropic behaviour and wedge and chimney failure mechanisms. Consequently, a combination of reinforced shotcrete and bolting is recommended for a conservative empirical design of the tunnel support system.

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Munshi, Javeed. "Design of Reinforced Concrete Chimneys for Earthquake Forces." In Structures Congress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/41016(314)183.

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Munshi, Javeed, and Sanj Malushte. "Seismic Design of Concrete Chimneys — State of Practice." In Structures Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40946(248)61.

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Goriel, K., V. Avakian, and B. P. Huynh. "Study of Natural Ventilation Flow in a Room Fitted With a Solar Chimney." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87296.

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The past few decades have seen a considerable change in terms of technological innovation. The recent technological trend is a shift towards the incorporation of natural processes such as hydro, solar and wind in design and implementation. For the purpose of this report, a miniaturised solar chimney test rig was constructed which utilises the principles of natural ventilation. Analysis of similar types of technologies was conducted and various ideas considered in the construction of the test rig. Computational fluid dynamics software was also used in conjunction with the experiment to see the similarities associated with the experiment and software package, taking into account the limitation of various instruments. A comprehensive experimental and theoretical approach was developed and reported.

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C Deblois, Justin, and Demba Ndiaye. "CFD-Assisted Design and Optimization of Solar Chimneys for Elementary School Classrooms." In 2015 Building Simulation Conference. IBPSA, 2015. http://dx.doi.org/10.26868/25222708.2015.2248.

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Cortés, C., A. Campo, and L. Correas. "A Lumped-Parameter Method for the Computation of the Temperature of Hot Combustion Gases Flowing Inside Chimneys." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0999.

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Abstract This paper addresses the practical calculation of the thermal performance of industrial chimneys by means of recent results in forced convection heat transfer. The temperature decay of the combustion gases is a result of heat transfer processes involving both internal forced convection and external heat transfer to the surroundings, and the analysis of the problem is scarcely treated in the energy- and environmental-related literature. Thermal design and performance estimations of chimneys are therefore based on engineering rules of thumb dictated by experience. The aim of this paper is to introduce rigorous heat transfer results into the subject, but from a framework accessible to design engineers. To this end, a 1-D lumped model of this kind of situations is used (Campo and Lacoa, 1994). Although largely simplified, the model provided adequate estimates of the mean bulk temperatures when compared with those computed with a 2-D distributed model (Campo and Lacoa, 1995), thus satisfying the requirements of simplicity and accuracy for the present purpose. The paper describes the design criteria for thermal calculation of industrial chimneys, the application of the 1-D lumped model through the use of standard heat transfer correlations, and several examples. The sequence of calculations is easy to accomplish and it is explained in such a way that it can be directly employed by engineers engaged in thermal design of tall chimneys.

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Meng Zhang. "Digital construction—construction research in virtual space." In Conceptual Design (CAID/CD). IEEE, 2008. http://dx.doi.org/10.1109/caidcd.2008.4730652.

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Adams, Brian K., John A. Heath, and Gary B. Lineback. "Guideway Design and Construction." In 12th International Conference of Automated People Movers. Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41038(343)37.

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Звіти організацій з теми "Chimneys Design and construction"

CORPS OF ENGINEERS WASHINGTON DC. Construction: Design and Construction Evaluation (DCE). Fort Belvoir, VA: Defense Technical Information Center, February 1996. http://dx.doi.org/10.21236/ada404141.

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Slocum, Alexander H., Laura A. Demsetz, David H. Levy, and Bruce Schena. Design Methodology for Automated Construction Machines. Fort Belvoir, VA: Defense Technical Information Center, December 1987. http://dx.doi.org/10.21236/ada207386.

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Fanella, David A., Amaldo T. Derecho, and S. K. Ghosh. Design and construction of structural systems. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ncstar.1-1av1.

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Collins, James J. Design and Construction of Genetic Applets. Fort Belvoir, VA: Defense Technical Information Center, May 2003. http://dx.doi.org/10.21236/ada417910.

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Jackson, J. G. Y-12 Sustainable Design Principles for Building Design and Construction. Office of Scientific and Technical Information (OSTI), November 2008. http://dx.doi.org/10.2172/969028.

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CORPS OF ENGINEERS WASHINGTON DC. Engineering and Design. Construction with Large Stone. Fort Belvoir, VA: Defense Technical Information Center, October 1990. http://dx.doi.org/10.21236/ada402849.

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McNeese, L. E. ORNL engineering design and construction reengineering report. Office of Scientific and Technical Information (OSTI), January 1998. http://dx.doi.org/10.2172/631227.

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Janet E.R. Mcllvaine, David Beal, and Philip Fairey. INTERIOR DUCT SYSTEM DESIGN, CONSTRUCTION, AND PERFORMANCE. Office of Scientific and Technical Information (OSTI), October 2001. http://dx.doi.org/10.2172/823970.

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Schwartztrauber, K. Modular Design/Phased Construction Alternative Evaluation Report. Office of Scientific and Technical Information (OSTI), May 1999. http://dx.doi.org/10.2172/763136.

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Deschamps, Richard, Christopher Hynes, and Philippe Bourdeau. Embankment Widening Design Guidelines and Construction Procedures. West Lafayette, IN: Purdue University, 1999. http://dx.doi.org/10.5703/1288284313202.

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