Numerical Simulation of a Bus Underhood Flow

In order to spread market opportunities, Volkswagen do Brasil Ltda. - Truck and Bus Operation has adopted in conjunction with T-Systems do Brasil Ltda computer-aided analysis techniques that have been revolutionized engineering design in several important areas, notably in the optimization of new engine cooling systems. The main goal is to reduce the lead time to develop a new system.

The proposed paper aims to present the numerical simulation of the underhood flow for a new VOLKSBUS model. The main practical application of this investigation is to evaluate the air flow assessment in the underhood compartment and determine flow recirculation areas that can interfere in the cooling package performance.