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Simulation and Evaluation of the railway passenger air distribution

Author: ZhangGuiRong
Tutor: LianZhiWei
School: Xi'an University of Architecture and Technology
Course: Heating, ventilation and air-conditioning
Keywords: Air conditioning Railway passenger cars Cozy Numerical Simulation ~ * Funded project of the National Natural Science Foundation of China , No. 59808010
CLC: U270.383
Type: Master's thesis
Year: 2001
Downloads: 270
Quote: 9
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Abstract


The object of the subject for the study of conditioned Train , to explore the possibility of active three-dimensional temperature field and velocity field inside the numerical simulation method . The interior airflow simulation to understand the different air supply and air supply parameters under the car changes of the flow field , and provide a reference for the good conditioned Train Airflow design . Numerical simulation for the air-conditioned passenger airflow organization in the country the first time , the subject on the basis of the theoretical analysis , numerical calculation and prototype experiment combining numerical calculation based research methods , the use of the the PHOENICS software on the car simulate the flow field , the comparison with the experimental results , the simulation results are reasonable , and thus the value calculation applied to the evaluation of the train passenger compartment air distribution . The study found that the traditional roof crack air supply and air supply grille for better air supply . This article was first proposed , the seatback blast due to better comfort conditions and air conditioning units can be installed under the car match its good air quality can promote the application . Workspace under the table near the blast Because it is difficult to meet the requirements of comfort and should not be adopted . Also the comfort of air - conditioned buses , investigation and analysis , put forward reasonable proposals for train air conditioning , is conducive to the future train the improvement of the air - conditioned comfort , energy efficiency and control . The research found that the analysis and evaluation of numerical simulation methods inside airflow organization is viable , forecasting, analysis and evaluation of the research for the air-conditioned train indoors reasonable airflow organizations , has laid a solid foundation .

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CLC: > Transportation > Rail transport > Vehicle Engineering > General issues > Body construction and equipment > Vehicle equipment > Heating, ventilation, air conditioning equipment
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