技术中心

风冷热泵机组冬季运行的可靠性 【英文篇名】 Reliability of air cooling heat pump units running in winter 【作者中文名】 陈航; 【作者英文名】 By Chen Hang; 【作者单位】 长沙泛华中央空调设计研究所; 【文献出处】 暖通空调, HV 除霜; 管路设计; 【英文关键词】 air cooling heat pump unit; defrost; piping designrical results show that the agreement between the numerical and the analytical solutions is good.On this basis; unsteady temperature field in bridge zone between two valve seats of the cylinder; 【摘要】 分析了造成风冷热泵机组在长江流域地区冬季运行不可靠的原因，提出了对机组除霜控制技术和管路设计方面的改进意见，并就机组布置提出了新的看法。 【英文摘要】 Analyses causes for unreliable running of air cooling heat pump units in winter in Yangtse river area, proposes an improving method in defrost control and piping design, and makes suggestions of the units arrangement.