抄録
To analyze the performance of the heat exchanger (HEX) in air-conditioners within a realistic time frame, we propose a simple modeling technology that uses a reduced mesh. The pressure loss of the HEX is given by the momentum source term, and the heat-transfer performance of the HEX is approximated by using a wall function as the boundary condition. We clarified the acceptable value of required velocity distribution and the amount of winds, when setting up a temperature boundary condition for the purpose of improvement in the speed of an air-conditioner mounting design supportive tool. As a result, computation time was shortened to 1/3.