汽车空调系统蒸发器总成数值仿真

根据计算流体力学原理(简称CFD),对一种典型的汽车空调系统蒸发器总成进行了数值模拟仿真.通过应用CFD技术对蒸发器总成进行数值仿真设计,并改进设计结构上的不合理部分,可以达到使总成内空气的速度、温度得到均匀的分布,得到适当的速度值以及降低噪声的目的.计算结果可知,仿真后的蒸发器总成数值计算模型得到了优化改进,提高了空调性能.把CFD技术应用到蒸发器总成的设计,缩短了蒸发器总成系统的研发周期,降低了成本及试验费用.

Numerical Simulation of HVAC in Vehicle Air Conditioning System

Through applying the theory of Computational Fluid Dynamics(CFD),this paper describes the numerical simulation of a typical HVAC in vehicle air conditioning system for improving on the structure of HVAC,shortening the time periods of product design and reducing the costs of design. By applying CFD to simulate designs and improve on the inconsepuential designs,it can make the symmetrical distributing of velocity and temperature of air in HVAC,obtain a proper value of velocity and reduce the yawp value.From the result of simulation,the numerical model has been optimized.It advances the capability of air-conditioning system.While applying CFD to the design of HVAC,it carry the purpose of shortening design the periods of HVAC and reducing the costs of empolderings and tests.