aac system meaning in English

辅助沟通的系统

Condenser and evaporator are the main equipments in the refrigerant system . to modeling a heat exchanger to acquaint and grip the working performance of different refrigerant in a aac system can accelerate the equipments choice matching . furthermore which has the important practical meaning for the modernization of aac designs
冷凝器和蒸发器是汽车空调系统的主要部件，建立一个换热器动态仿真模型，认识和掌握不同制冷工质在汽车空调系统换热器内的工作特性，可以加速设计过程中的部件选型和匹配，对实现汽车空调系统设计方法的现代化具有重要的现实意义。
This thesis , emphasizing on theoretical research of dynamic simulation and optimization of aac system , make use of the computer simulation opinion and thermodynamics theory to establish a subsection model for the heat - exchanger . the special principle of mass - heat transfer is also handled to erect the model by analyzing the characteristics of the heat exchanger structure
本文为适应这一发展趋势，围绕着汽车空调换热器内制冷剂各相区的动态特性展开研究，在充分分析汽车空调换热器的结构特点以及热质交换过程的基础上，抽象出汽车空调换热器的共性，建立了一个区段式结构的换热器模型。