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Numerical Simulation and Analysis on Air Organization Inside DKZ5 Subway Car

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3 Author(s)
Gan Xia ; Central South Univ., Changsha, China ; Qi Zhaohui ; Li Chao

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.

Published in:

Intelligent System Design and Engineering Application (ISDEA), 2012 Second International Conference on

Date of Conference:

6-7 Jan. 2012