Cowl Plenum Box내에서 물의 거동을 예측을 위한 해석 방법 개발 및 적용

This study is to predict water behavior in cowl plenum box with two different boundary conditions, a car-washing condition and a shower condition. The simulation method correlated with three test results could be used for developing the new vehicles. There are various key factors having effects on water ingress into HVAC like these: the input amount of water, the car attitude information (the inclined angle against the ground), the volume size of cowl plenum box and Blower On/Off in HVAC. These key factors are reflected in this study. Through this study, we will be able to reduce the numbers of trial and error for design change of main parts, and propose optimal design from the view of aerodynamics and water behavior. Also, as reducing the numbers of the vehicle-developing test, we will be able to cut down on considerable cost at vehicle-development budget.