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International Journal of Automotive Technology > Volume 7(2); 2006 > Article
International Journal of Automotive Technology 2006;7(2): 139-143.
FLOW AND TEMPERATURE ANALYSIS WITHIN AUTOMOBILE CABIN BY DISCHARGED HOT AIR FROM DEFROST NOZZLE
W. G. PARK1, M. S. PARK1, K. L. JANG2
1Pusan National University
2Hyundai Motor & Kia Motors
ABSTRACT
As an automobile tends to be high grade, the needs for more luxurious interior and comfortable HVAC system are emerged. The defrosting ability is another major factor of the performances of HVAC system. The present work is to simulate the flow and the temperature field of cabin interior during the defrost mode. The three-dimensional incompressible Navier-Stokes equations and energy equation were solved on the multiblocked grid system by the iterative time marching method and AF scheme, respectively. The present computations were validated by the comparison of the temperature field of a driven cavity and velocity field of 1/5 model scale of an automobile. Generally good agreements were obtained. By the present computation, the complicated features of flow and temperature within the automotive cabin interior could be well understood.
Key Words: Automobile cabin, Flow field, Temperature field, Navier-stokes equation, Energy equation
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