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Thematische Bibliographien / Ventilation design

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Auswahl der wissenschaftlichen Literatur zum Thema „Ventilation design“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 9. Februar 2022

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Zeitschriftenartikel zum Thema "Ventilation design"

1

Heiselberg, Per. „Natural Ventilation Design“. International Journal of Ventilation 2, Nr. 4 (April 2004): 295–312. http://dx.doi.org/10.1080/14733315.2004.11683674.

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2

Kolandaivelu, Kumaran, und Chi-Sang Poon. „A miniature mechanical ventilator for newborn mice“. Journal of Applied Physiology 84, Nr. 2 (01.02.1998): 733–39. http://dx.doi.org/10.1152/jappl.1998.84.2.733.

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Kolandaivelu, Kumaran, and Chi-Sang Poon.A miniature mechanical ventilator for newborn mice. J. Appl. Physiol. 84(2): 733–739, 1998.—Transgenic/knockout mice with predefined mutations have become increasingly popular in biomedical research as models of human diseases. In some instances, the resulting mutation may cause cardiorespiratory distress in the neonatal or adult animals and may necessitate resuscitation. Here we describe the design and testing of a miniature and versatile ventilator that can deliver varying ventilatory support modes, including conventional mechanical ventilation and high-frequency ventilation, to animals as small as the newborn mouse. With a double-piston body chamber design, the device circumvents the problem of air leakage and obviates the need for invasive procedures such as endotracheal intubation, which are particularly important in ventilating small animals. Preliminary tests on newborn mice as early as postnatal day 0 demonstrated satisfactory restoration of pulmonary ventilation and the prevention of respiratory failure in mutant mice that are prone to respiratory depression. This device may prove useful in the postnatal management of transgenic/knockout mice with genetically inflicted respiratory disorders.

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3

Budiyani ; Budianastas Prastyatama, Ansheila Gabriela. „EVALUATION AND EXPERIMENT OF INTERLOCKING BRICK MODULE DESIGN TO OBTAIN VARIETIES OF VENTILATION OPENING AREA ON WALL“. Riset Arsitektur (RISA) 4, Nr. 03 (30.05.2020): 269–87. http://dx.doi.org/10.26593/risa.v4i03.3932.269-287.

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Abstract - Natural ventilation is a passive design in architecture to respond toward a country with tropic climate like Indonesia, so that the building materials should be considered in the wall design to obtain ventilation opening. Interlocking bricks is one of building material example in architecture. The advantages from interlocking brick compared to the commonly used brick is that it has an interlocking system that enable the interlocking brick assembly to become more effective, efficient, and easy.Practically speaking, interlocking brick is not yet popular to be used in Indonesia. To obtain a wall with ventilation opening, the commonly used brick is demanded more than interlocking brick. This is due to the design of interlocking brick to create ventilations on the wall is still limited and less explored. Oftentimes the interlocking system in interlocking brick limits the type of bonds for the wall so that the result of ventilation is less variative. Interlocking brick actually has potentials to be an alternative choice of material to produce ventilation on wall because its similar characteristics to the common red brick.The purpose of this research is to gain varieties of ventilation opening that is made through the configuration of bricks by exploration of interlocking brick designs through experiment. The method used is qualitative method, through evaluating the designs of interlocking brick precedents that is based on the literature studies. From the literature studies and evaluation result, experiments to the interlocking brick design could be done to gain area of ventilation opening variations.The experiment result, which is designed modules, could be expected to be alternative of material choices to produce ventilation openings on wall that could be adjusted with the area of space it bears. Therefore, wall from the interlocking brick configuration could produce variations of ventilation opening area that meet the standards applied so that it could be used for walls that wanted to create natural ventilations.Key Words: interlocking brick, ventilation opening, opening variation

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HIRAI, Takuo. „Tunnel Ventilation Design & Build“. Journal of the Society of Mechanical Engineers 114, Nr. 1108 (2011): 160–62. http://dx.doi.org/10.1299/jsmemag.114.1108_160.

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5

Moore, Philip J. „Ventilation Tube Duration versus Design“. Annals of Otology, Rhinology & Laryngology 99, Nr. 9 (September 1990): 722–23. http://dx.doi.org/10.1177/000348949009900910.

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6

Mossad, R. R. „Optimization of the Ventilation System for a Forced Ventilation Piggery“. Journal of Green Building 4, Nr. 4 (01.11.2009): 113–33. http://dx.doi.org/10.3992/jgb.4.4.113.

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Pigs are subjected to intensive environment control and management in order to achieve higher productivity. This is due to their sensitivity to climatic variation, which strongly affects their growth. This paper reports the design optimization of a forced ventilation piggery using computational fluid dynamics. This numerical investigation determined the effect of varying the number of ventilation openings and their location on the air flow pattern, speed, temperature, power needed, ability to remove heat and residence time. The effect of varying the ventilation rate in a range (0.05 – 0.8 m3/s), and ambient temperatures of 5°C and 32°C was also investigated. The modeled piggery has dimensions 40 m × 15 m × 2.6 m, with central walkway and gable roof with the apex at 3.9 m and is a common design in Australia. A steady-state two-dimensional numerical model based on the integral volume method, including the effects of buoyancy and heat generated by the pigs, was solved using the computational fluid dynamics software “Fluent.” Four designs were investigated and an optimum design, which facilitates better ventilation of the majority of the room, has been identified. In summer, an inlet velocity has been recommended which achieves optimum environment inside the piggery meeting the pigs' thermal comfort criteria with minimum power usage. During winter it became obvious that heating has to be used in all designs to be able to meet the pigs' thermal comfort criteria.

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Yoon, Nari, Mary Ann Piette, Jung Min Han, Wentao Wu und Ali Malkawi. „Optimization of Window Positions for Wind-Driven Natural Ventilation Performance“. Energies 13, Nr. 10 (14.05.2020): 2464. http://dx.doi.org/10.3390/en13102464.

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This paper optimizes opening positions on building facades to maximize the natural ventilation’s potential for ventilation and cooling purposes. The paper demonstrates how to apply computational fluid dynamics (CFD) simulation results to architectural design processes, and how the CFD-driven decisions impact ventilation and cooling: (1) background: A CFD helps predict the natural ventilation’s potential, the integration of CFD results into design decision-making has not been actively practiced; (2) methods: Pressure data on building facades were obtained from CFD simulations and mapped into the 3D modeling environment, which were then used to identify optimal positions of two openings of a zone. The effect of the selected opening positions was validated with building energy simulations; (3) results: The cross-comparison study of different window positions based on different geographical locations quantified the impact on natural ventilation effectiveness; and (4) conclusions: The optimized window position was shown to be effective, and some optimal solutions contradicted the typical cross-ventilation strategy.

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Lee, Dong-kil. „Optimal design of mine ventilation system using a ventilation improvement index“. Journal of Mining Science 52, Nr. 4 (Juli 2016): 762–77. http://dx.doi.org/10.1134/s1062739116041178.

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9

Wu, Yan-Lin, Yu-Lieh Wu und Azka Hasya Hanifan. „Study on Ventilation Performance in Operating Room with Variation Ventilation Design“. Journal of Physics: Conference Series 1500 (April 2020): 012040. http://dx.doi.org/10.1088/1742-6596/1500/1/012040.

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10

Hunt, G. R., und K. Syrios. „Roof-Mounted Ventilation Towers – Design Criteria for Enhanced Buoyancy-Driven Ventilation“. International Journal of Ventilation 3, Nr. 3 (Dezember 2004): 193–208. http://dx.doi.org/10.1080/14733315.2004.11683914.

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Dissertationen zum Thema "Ventilation design"

1

Kenton, Amanda Gail. „Natural ventilation in theatre design“. Thesis, University of Cambridge, 2006. https://www.repository.cam.ac.uk/handle/1810/252011.

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2

Kuegler, Kurt W. „Heating, ventilation and air conditioning engineering and design /“. Online version of thesis, 1990. http://hdl.handle.net/1850/10982.

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3

Tantasavasdi, Chalermwat 1971. „Natural ventilation : design for suburban houses in Thailand“. Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/70306.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1998.
Includes bibliographical references (p. 93-95).
Natural Ventilation is the most effective passive cooling design strategy for architecture in hot and humid climates. In Thailand, natural ventilation has been the most essential element in the vernacular architecture such as the traditional house, but has become unused nowadays because of the urbanized conditions in big cities like Bangkok. This thesis explores the potential of using natural ventilation for modern houses by using a Computational Fluid Dynamics (CFD) program. The research investigates the characteristics of Thai houses from the past to the present that climate, culture and technology have influenced. The analysis of the climate data concludes that natural ventilation can be used approximately four months a year to create conditions within the zone of thermal comfort. In a suburban housing project, site planning has a significant impact on the wind pattern and velocity. The simulation results indicate that the wind has better characteristics in the houses with square shapes than those with rectangular shapes. The vegetation around the houses also has some effect on the wind by slightly reducing its speed. Lastly, the prevailing winds from the north and north-northeast have similar wind patterns in a large housing project. The final stage is to design a prototype by using some climatic characteristics from the traditional Thai house. The air movement is inadequate in a house with regular size windows. Therefore, the study tests three more cases with larger windows. The results demonstrate that the maximum size window provides better thermal comfort. Finally, the study finds that the stack effect is negligible. The study shows the possibility to use natural ventilation for the houses in this region. The investigation has developed comprehensive design guidelines for architects. Necessary further research is presented in the end to find more solutions for climate-responsive architecture in today's physical conditions.
by Chalermwat Tantasavasdi.
M.S.

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Alfadil, Mohammad Omar. „Design Tool for a Ground-Coupled Ventilation System“. Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/100604.

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Ground-coupled ventilation (GCV) is a system that exchanges heat with the soil. Because ground temperatures are relatively higher during the cold season and lower during the hot season, the system takes advantage of this natural phenomenon. This research focused on designing a ground-coupled ventilation system evaluation tool of many factors that affect system performance. The tool predicts the performance of GCV system design based on the GCV system design parameters including the location of the system, pipe length, pipe depth, pipe diameter, soil type, number of pipes, volume flow rate, and bypass system. The tool uses regression equations created from many GCV system design simulation data using Autodesk Computational Fluid Dynamics software. As a result, this tool helps users choose the most suitable GCV system design by comparing multiple GCV systems' design performances and allows them to save time, money, and effort.
Doctor of Philosophy

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Kinsman, Roger Gordon. „Outlet discharge coefficients of ventilation ducts“. Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59271.

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Discharge coefficients are an important parameter in the prediction of the air displacement performance of ventilation outlets and in the design of ventilation ducts.
Discharge coefficients of a wooden ventilation duct 8.54 metres in length and of a constant 0.17 m$ sp2$ cross sectional area were measured. Four different outlet shapes and 3 aperture ratios of each shape were tested. A split plot experimental design was used to evaluate the effect of outlet shape, outlet size, and distance from the fan on discharge coefficient. The relationship between duct performance characteristics and discharge coefficient was examined. A mathematical equation to predict the discharge coefficient was developed and tested.
Discharge coefficient values measured ranged from 0.19 to 1.25 depending on the aperture ratio and distance from the fan. Outlet shape had no significant effect. The apparent effects of aperture ratio and size are due to the effects of head ratio. The equation predicting the discharge coefficient had a maximum error of 5 percent for the aperture ratios of 0.5 and 1.0, and 15 percent at an aperture ratio of 1.5.

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MacKinnon, Ian R. (Ian Roderick) 1964. „Air distribution from ventilation ducts“. Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59655.

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A wooden, perforated, uniform cross-section duct was examined to determine the optimum levels of aperture ratio and fan speed with respect to uniformity of discharge. The optimum aperture ratio for the 8.54 m long duct was 1.0 with a uniformity coefficient of 90.28%. The fan speed had little effect on the uniformity of discharge. The friction factor was experimentally determined to be 0.048 for a non-perforated duct and this value was assumed to be the same for a perforated duct of similar construction. A kinetic energy correction factor was used to analyze the flow in the duct. Values for this correction factor were determined from experimental data. Values of the coefficient of discharge and the total duct energy were calculated. A mathematical model was proposed based on the conservation of momentum and the Bernoulli's equation. The model responded favourably and predicted the duct velocity nearly perfectly and slightly underestimated the total duct energy.

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Hurtado, Mark Pastor. „Optimum Design of Compact, Quiet, and Efficient Ventilation Fans“. Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/96519.

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Axial ventilation fans are used to improve the air quality, remove contaminants, and to control the temperature and humidity in occupied areas. Ventilation fans are one of the most harmful sources of noise due to their close proximity to occupied areas and widespread use. The prolonged exposure to hazardous noise levels can lead to noise-induced hearing loss. Consequently, there is a critical need to reduce noise levels from ventilation fans. Since fan noise scales with the 4-6th power of the fan tip speed, minimizing the fan tip speed and optimizing the duct geometry are effective methods to reduce fan noise. However, there is a tradeoff between reducing fan speed, noise and aerodynamic efficiency. To this end, a new innovative comprehensive optimum design methodology considering both aerodynamic efficiency and noise was formulated and implemented using a multi-objective genetic algorithm. The methodology incorporates a control vortex design approach that results in a spanwise chord and twist distribution of the blades that maximize the volumetric flow rate contribution of the outer radii, i.e. the axial flow velocity increases from the fan hub to the tip. The resulting blade geometry generates a given volumetric flow rate at the minimum fan tip speed. The fan design is complemented by the design of the optimum inlet duct geometry to maximize volumetric flow rate and minimize BL thickness for low noise generation. Good agreement with experimental results validates the design process. The present study also incorporates multi-element airfoils to further increase the aerodynamic characteristics of the fan blades and enable lower fan speeds and noise. Good agreement between experiments and predictions indicate that traditional blade element momentum methods can be implemented in conjunction with multi-element airfoil aerodynamic characteristics with good accuracy. A direct comparison of fans designed with single and multi-element airfoils has shown that fans designed with multi-element airfoils aerodynamically outperform single element fans.
Doctor of Philosophy
Axial ventilation fans are widely used to improve the air quality, remove contaminants, and to control the temperature and humidity in occupied areas. However, high noise levels from ventilations fans are a harmful source of noise that can lead to irreversible noise-induced hearing loss. Therefore, this work addresses a critical need for quiet and efficient ventilation fans. To this end, a new innovative comprehensive optimum design methodology considering both aerodynamic efficiency and noise was formulated, implemented, and tested. The methodology optimizes the fan geometry to maximize the volumetric flow rate and minimize noise. The fan design is complemented by the design of the optimum inlet duct geometry to increase the volumetric flow rate and minimize BL thickness for low noise generation. Good agreement with experimental results validates the design process. The present study also incorporates multi-element airfoils to further increase the aerodynamic characteristics of the fan blades. A direct comparison of fans designed with single and multi-element airfoils has shown that fans designed with multi-element airfoils aerodynamically outperform single element airfoil fans.

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Simons, Martin W. „The prediction of ventilation effectiveness parameters for design studies“. Thesis, Coventry University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323519.

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9

Duckworth, Ian J. „The analysis, design and operation of auxilary ventilation systems“. Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268427.

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Chiu, Yin-Hao. „Development of unsteady design procedures for natural ventilation stacks“. Thesis, University of Nottingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410175.

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Bücher zum Thema "Ventilation design"

1

Natural ventilation of buildings: Theory, measurement and design. Wiley: Hoboken, 2012.

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John, Bower. Understanding ventilation: How to design, select, and install residential ventilation systems. Bloomington, IN: Healthy House Institute, 1995.

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Chen, Qingyan. System performance evaluation and design guidelines for displacement ventilation. Atlanta, Ga: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc., 2003.

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4

Rosaler, Robert C., und Nils R. Grimm. Handbook of HVAC design. New York: McGraw-Hill, 1990.

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Parsloe, C. J. Commissioning of pipework systems: Design considerations. Bracknell: Building Services Research and Information Association, 1996.

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Council, Sports. Sports halls: Heating and ventilation. London: Sports Council, 1994.

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7

Goodfellow, Howard D. Advanced design of ventilation systems for contaminant control. Amsterdam: Elsevier, 1985.

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Goodfellow, Howard D. Advanced design of ventilation systems for contaminant control. Amsterdam: Elsevier, 1985.

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9

Panziera, Edoardo. Axiomatic design of a new automotive ventilation outlet. Ottawa: National Library of Canada, 1994.

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10

Rowe, William H. HVAC: Design criteria, options, selection. 2. Aufl. Kingston, MA: R.S. Means Co., 1994.

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Buchteile zum Thema "Ventilation design"

1

Wallace, K. G., und P. Labrecque. „Optimizing ventilation design through discrete event equipment simulation“. In Mine Ventilation, 531–37. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003188476-54.

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2

Li, Angui, und Risto Kosonen. „Design of Kitchen Ventilation“. In Kitchen Pollutants Control and Ventilation, 237–52. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6496-9_6.

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3

Nag, Pranab Kumar. „Ventilation in Office Buildings“. In Design Science and Innovation, 341–67. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2577-9_12.

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Kuyuk, A. F., S. A. Ghoreishi-Madiseh und A. P. Sasmito. „Design of mine bulk air cooling systems: Numerical, empirical and experimental validation“. In Mine Ventilation, 168–76. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003188476-17.

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5

Srebric, Jelena. „Ventilation performance prediction“. In Building Performance Simulation for Design and Operation, 76–116. Second edition. | Abingdon, Oxon ; New York, NY : Routledge, 2019.: Routledge, 2019. http://dx.doi.org/10.1201/9780429402296-3.

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6

Tymkow, Paul, Savvas Tassou, Maria Kolokotroni und Hussam Jouhara. „Energy-efficient ventilation“. In Building Services Design for Energy-Efficient Buildings, 133–57. Second edition. | New York : Routledge, 2020.: Routledge, 2020. http://dx.doi.org/10.1201/9781351261166-7.

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7

Vershenya, Anastasiya, Umesh Shah, Stephan Broek, Tom Plikas, Jennifer Woloshyn und Andre Felipe Schneider. „Modern Design of Potroom Ventilation“. In Light Metals 2011, 531–35. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118061992.ch94.

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Vershenya, Anastasiya, Umesh Shah, Stephan Broek, Tom Plikas, Jennifer Woloshyn und Andre Felipe Schneider. „Modern Design of Potroom Ventilation“. In Light Metals 2011, 531–35. Cham: Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-319-48160-9_94.

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9

Etheridge, David. „Design Procedures for Natural Ventilation“. In Advanced Environmental Wind Engineering, 1–24. Tokyo: Springer Japan, 2016. http://dx.doi.org/10.1007/978-4-431-55912-2_1.

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Noll, J. D., W. R. Reed*, J. D. Potts und M. R. Shahan. „Design and characterization of canopy air curtain for protecting against diesel particulate matter exposures in underground mines“. In Mine Ventilation, 444–54. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003188476-46.

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Konferenzberichte zum Thema "Ventilation design"

1

Singru, Pravin, Bhargav Mistry, Rachna Shetty und Satish Deopujari. „Design of MEMS Based Piezo-Resistive Sensor for Measuring Pressure in Endo-Tracheal Tube“. In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50838.

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Mechanical ventilation is the process of providing artificial breathing support to a patient. More than half of critically ill patients require mechanical ventilation[1]. Though mechanical ventilation increases time for recuperation, it is known to have given rise to complications arising from over-distention of lungs leading to ventilator associated lung injury (VALI) and ventilator induced lung injury (VILI). This paper aims to develop a sensor to identify breathing efforts initiated by the patient and give back responses to the ventilator to regulate ventilation modes and tidal volumes delivered by the ventilator. This will significantly aid in reducing asynchrony between the patient efforts and the ventilator input, thus preventing lung injury. Towards this end, we have simulated and studied the effect of different kinds of dynamic loading and diaphragm membrane thickness of the sensor on its sensitivity on a basic design.

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Wark, Christopher. „Natural Ventilation Design Using CFD“. In ASME 2007 Energy Sustainability Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/es2007-36199.

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In an effort to make buildings healthier and more energy efficient, architects are increasingly incorporating natural ventilation into their design strategies in order to take advantage of free, available wind power. The extent to which natural ventilation can replace forced ventilation in a given building depends on the local climate and specific site utilization. The ASHRAE Standards 55 and 62.1 that cover natural ventilation establish minimal requirements for climate and building openings but also concede that the ultimate responsibility for proving the effectiveness of this technique lies with the design team and the specific requirements of local codes. But how does a design team prove that air is flowing according to plan without actually creating the structure and taking measurements? Only two possibilities exist — regard each room as a very large ratio conduit and apply conventional equations to those spaces, or do a 3-dimensional numerical analysis of the flow path. Numerical analysis, known as Computational Fluid Dynamics (CFD), is now being recognized as the only reliable way to predict natural airflow through a building and assure that adequate air quality and comfort is provided at all points of each room before construction begins. CFD computer programs allow designers to divide a volume into a large number of small regions and calculate the air and heat transfer between each region, minimizing the assumption-related errors that would otherwise occur. Minimizing computational error at the beginning of the design process reduces the risk of costly post-construction order changes that can occur as substandard air quality is discovered. CFD software can vary in its level of sophistication. While the most basic Navier-Stokes heat and mass transfer equations are essential and can be of great use, a proper natural ventilation analysis tool should include calculations for buoyancy, turbulent convection, and the ability to do open boundary modeling. Other features such as local solar loading and transient analysis are also desirable. A comprehensive CFD package can be particularly useful for modeling the complex airflow found in mixed-mode designs and identifying regions of stagnant air, high heat loss or gain, short-circuited airflow, and other conditions that inhibit good building performance and limit the potential for sustainability.

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Sitan Zhu. „Architectural design on natural ventilation“. In 2011 International Conference on Multimedia Technology (ICMT). IEEE, 2011. http://dx.doi.org/10.1109/icmt.2011.6003153.

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„Demand-Controlled Ventilation Through a Decentralized Mechanical Ventilation Unit for Office Buildings“. In 2018 Symposium on Simulation for Architecture and Urban Design. Society for Modeling and Simulation International (SCS), 2018. http://dx.doi.org/10.22360/simaud.2018.simaud.012.

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Se, Camby M. K., Richard K. K. Yuen, Sherman C. P. Cheung, Jiyuan Tu, Jane W. Z. Lu, Andrew Y. T. Leung, Vai Pan Iu und Kai Meng Mok. „Optimization on Emergency Longitudinal Ventilation Design“. In PROCEEDINGS OF THE 2ND INTERNATIONAL SYMPOSIUM ON COMPUTATIONAL MECHANICS AND THE 12TH INTERNATIONAL CONFERENCE ON THE ENHANCEMENT AND PROMOTION OF COMPUTATIONAL METHODS IN ENGINEERING AND SCIENCE. AIP, 2010. http://dx.doi.org/10.1063/1.3452283.

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Colino, Mark P., und Elena B. Rosenstein. „A New Advance in Tunnel Ventilation Design Planning“. In 2017 Joint Rail Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/jrc2017-2203.

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The new train signaling, traction power and tunnel ventilation system coordination guidelines enacted in National Fire Protection Association (NFPA) Standard 130 have brought the necessity and cost of tunnel ventilation fan shafts into greater focus. The guidelines were aimed at coordinating the three aforementioned rail systems to control the number of trains that could be between successive ventilation shafts during an emergency — in recognition of the fact that the best protection to both incident and non-incident train passengers and crew is to allow no more than one train in each ventilation zone. Though based in safety, these new NFPA guidelines can substantially expand the capital cost and environmental impact of new rail tunnel projects by adding more ventilation shafts and tunnel fan equipment to the scope of work. In addition, the resulting increase in the required number of ventilation shafts and tunnel fan equipment can hinder existing railroad properties as they seek to either increase their train throughput rates, or reduce their tunnel electrical infrastructure. Fortunately, a new kind of emergency ventilation shaft has been developed to facilitate compliance with the NFPA 130 Standard without the excessive capital cost and far-reaching environmental impacts of a traditional emergency ventilation shaft. This new kind of emergency ventilation shaft is called the Crossflue. The Crossflue is a horizontal passage between parallel rail tunnels with a single ventilation fan-motor unit installation. The Crossflue fan is designed to transfer air/smoke flows from one (occupied, incident) tunnel to another (unoccupied, non-incident) tunnel — thereby protecting the incident tunnel at the expense of the non-incident tunnel. The Crossflue passage has angled construction to allow a smooth transition of airflows both into and out of the adjoining tunnels. In addition to the fan, the Crossflue contains a ventilation damper, sound attenuators, ductwork transitions and flexible connectors within the fan equipment line-up; the functionality of all this mechanical equipment is described in the paper. To preserve underground space and minimize the rock excavation, the Crossflue fan is both remotely-powered and remotely-controlled; the fan is only operated as part of a pre-programmed response to tunnel fire events. The methodology utilized to design the Crossflue was taken from the Subway Environmental Design Handbook (SEDH); the SEDH [1] was specifically developed for rail tunnel ventilation design and is the preeminent reference volume in the industry. In summary, the Crossflue provides a dual benefit of achieving NFPA 130 compliance, while at the same time minimizing the construction, equipment, environmental, and energy costs of a traditional tunnel ventilation shaft.

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Troutman, Kenneth R. „Ventilation system design for industrial laser operation“. In ILSC® ‘90: Proceedings of the International Laser Safety Conference. Laser Institute of America, 1990. http://dx.doi.org/10.2351/1.5056032.

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8

Huang, Min, und Bing-yu Pan. „Research of Ventilation Design for Highway Tunnel“. In 2011 International Conference on Management and Service Science (MASS 2011). IEEE, 2011. http://dx.doi.org/10.1109/icmss.2011.5998165.

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9

Rollins, M. „72. Good Examples of Bad Ventilation Design“. In AIHce 2006. AIHA, 2006. http://dx.doi.org/10.3320/1.2759072.

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10

Jinsheng Guo und Jing Li. „Passive solar house design of summer ventilation“. In 3rd International Conference on Contemporary Problems in Architecture and Construction. IET, 2011. http://dx.doi.org/10.1049/cp.2011.1252.

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Berichte der Organisationen zum Thema "Ventilation design"

1

MCGREW, D. L. Project Design Concept Primary Ventilation System. Office of Scientific and Technical Information (OSTI), Oktober 2000. http://dx.doi.org/10.2172/805372.

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2

A.T. Watkins. Design Feature 7: Continuous Preclosure Ventilation. Office of Scientific and Technical Information (OSTI), Juni 1999. http://dx.doi.org/10.2172/759853.

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3

Dols, W. Stuart, und Steven J. Emmerich. LoopDA - natural ventilation design and analysis software. Gaithersburg, MD: National Institute of Standards and Technology, 2003. http://dx.doi.org/10.6028/nist.ir.6967.

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4

Slagley, Jeremy M. Proposed Additions to Ventilation Duct-Design Procedures. Fort Belvoir, VA: Defense Technical Information Center, August 2004. http://dx.doi.org/10.21236/ada426443.

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5

Logan, R. C. Design Alternative Evaluation No. 3: Post-Closure Ventilation. Office of Scientific and Technical Information (OSTI), Juni 1999. http://dx.doi.org/10.2172/762897.

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6

Goolsby, G. K. Position paper -- Tank ventilation system design air flow rates. Office of Scientific and Technical Information (OSTI), Januar 1995. http://dx.doi.org/10.2172/10117825.

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7

Emmerich, Steven J., W. Stuart Dols und James W. Axley. Natural ventilation review and plan for design and analysis tools. Gaithersburg, MD: National Institute of Standards and Technology, 2001. http://dx.doi.org/10.6028/nist.ir.6781.

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8

Willingham, W. E. ,. Fluor Daniel Hanford. Double shell tank primary ventilation exhaust flow monitor system design description. Office of Scientific and Technical Information (OSTI), März 1997. http://dx.doi.org/10.2172/325637.

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9

RUTHERFORD, J. Design Analysis Report for 244-AR Interim Stabilization Exhaust Ventilation Ducting. Office of Scientific and Technical Information (OSTI), November 2002. http://dx.doi.org/10.2172/808406.

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10

Roege, P. E. Functional design criteria, Project W-059, B Plant Canyon ventilation upgrade. Office of Scientific and Technical Information (OSTI), März 1995. http://dx.doi.org/10.2172/10127804.

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