技术中心

【英文篇名】 Performance of the primary-pump water system with variable flow under partial load 【作者中文名】 孟彬彬; 朱颖心; 林波荣; 【作者英文名】 By Meng Binbin; Zhu Yingxin and Lin Borong ?Tsinghua University; China; 【作者单位】 清华大学; 【文献出处】 暖通空调, Hv 一次泵水系统; 变流量; COP; 【英文关键词】 chiller; primary water system; variable flow; COP; 【摘要】 通过对制冷机厂家的调研、对制冷机变流量运行的热力学模型的分析以及对整个一次泵水系统变流量运行的技术经济比较 ,指出水侧在一定范围内变流量运行不会给制冷机COP带来明显影响 ,但对整个水系统的节能效果相对明显 ;通过计算得出了水泵能耗占空调水系统总能耗 2 0 %以上时可以达到节能效果。 【英文摘要】 Investigates several chillers from different manufactures. Analyses the thermodynamic model of chiller operation under variable flow and the running cost of primary pump water system operating in variable flow. Points out that variable flow running in certain range will bring little adverse effects on the COP of chillers, but the energy saving effect of whole water system is notable. By calculating, presents that the variable flow system can save energy efficiently when the energy consumption proportio...