Title :
Numerical Simulation and Analysis on Air Organization Inside DKZ5 Subway Car
Author :
Gan Xia ; Qi Zhaohui ; Li Chao
Author_Institution :
Central South Univ., Changsha, China
Abstract :
Complicated mathematical model of subway car with passengers is established and κ-ε turbulence model is adopted to proceed with numerical simulation under the condition of various kinds of air-conditioning situations. The results of numerical simulation indicate that the relations among the air-conditioning parameters, temperature field, velocity field and uniformity of air organization with steady-state solutions. Three dimensional fugures in the paper show the "death district", "superscalar district" of velocity field and "superscalar district" of temperature with different speed of air-sending. It is found that air organization in subway car is not uniform and a best value exists for the problem with uniformity of velocity field. The conclusions in this article have a reference value on optimum design of conditioning system and improving the air organization of subway car.
Keywords :
air conditioning; design engineering; mechanical engineering computing; numerical analysis; power engineering computing; rapid transit systems; κ-ε turbulence model; DKZ5 subway car; air organization uniformity; air-conditioning situations; air-sending speed; conditioning system optimum design; death district; mathematical model; numerical analysis; numerical simulation; temperature field; temperature superscalar district; velocity field superscalar district; Atmospheric modeling; Mathematical model; Numerical simulation; Organizations; Standards organizations; Temperature distribution; Vehicles; Air Conditioning; Air Organization; Numerical Simulation; Subway Car;
Conference_Titel :
Intelligent System Design and Engineering Application (ISDEA), 2012 Second International Conference on
Conference_Location :
Sanya, Hainan
Print_ISBN :
978-1-4577-2120-5
DOI :
10.1109/ISdea.2012.690
