技术中心

【英文篇名】 Application of variable refrigerant flow rate air conditioning system to sleeper railway cars 【作者中文名】 朱春; 张旭; 胡松涛; 【作者英文名】 Zhu Chun; Zhang Xu and Hu Songtao Tongji University; Shanghai; China; 【作者单位】 同济大学; 青岛理工大学; 【文献出处】 暖通空调, Heating Ventilating 空调系统; 气流组织; CFD; 【英文关键词】 variable refrigerate flow rate; air conditioning system; air distribution; computational fluid dynamics; 【摘要】 针对传统的单元式空调机组难以满足列车内舒适性要求的问题,提出了列车卧铺车厢采用变制冷剂流量(VRF)空调系统的新思路。分析了VRF空调系统的特点,给出了VRF空调系统的系统设计及电气控制方案。采用CFD模拟和试验相结合的方法分析了卧铺车厢的气流组织特性。 【英文摘要】 Aiming at the problem that conventional unit air conditioning systems can not meet the comfortable requirement in trains,provides a new idea that applying variable refrigerant flow rate(VRF) air conditioning systems to sleeper railway cars.Analyses the characteristics of VRF air conditioning systems and presents the system design and electric control scheme.Obtains the air distribution in the compartment of sleeper railway cars by the CFD simulation and experiment.