循环参数对微型有机朗肯循环系统性能的影响  

Effect of operation parameters on the performance of micro organic Rankine cycle system

作　　者：高岩[1] 尹浩伦 宋仟禧 孙知 黄志胜 Gao Yan;Yin Haolun;Song Qianxi;Sun Zhi;Huang Zhisheng(Collaborative Innovation Center of Energy Conservation&Emission Reduction and Sustainable Urban-Rural Development of Beijing,Beijing University of Civil Engineering and Architecture,Beijing 100044,China;Beijing Key Laboratory of Heating and Gas Supply Ventilation and Air Conditioning Engineering,Beijing University of Civil Engineering and Architecture,Beijing 100044,China)

机构地区：[1]北京建筑大学北京节能减排与城乡可持续发展省部共建国家协同创新中心,北京100044 [2]北京建筑大学供热、供燃气、通风及空调工程北京市重点实验室,北京100044

出　　处：《低温与超导》2023年第4期74-79,85,共7页Cryogenics and Superconductivity

基　　金：北京市教委科技计划重点项目(KZ202110016022)资助。

摘　　要：为探究ORC系统循环参数对系统性能的影响,以R123为工作流体,在热力学分析的基础上对微型ORC系统建立数学模型,探究工质质量流量、冷却水流量以及热源温度对ORC系统性能特征的影响,结果表明三者的增加均能提升系统循环净功、循环热效率、发电功率以及发电效率,从而有助于提高系统的热力性能,系统循环净功与发电功率最大值分别为0.558 kW、0.167 kW;系统所达到最大热效率和最大发电效率分别为8.96%和2.61%。To explore the influence of ORC system cycle parameters on system performance,using R123 as the working fluid,a mathematical model of the micro-ORC system was developed based on thermodynamic analysis to investigate the effects of mass flow rate of the work mass,cooling water flow rate and heat source temperature on the performance characteristics of the ORC system.The maximum values of net circulating work and power generation are 0.558 kW and 0.167 kW respectively,the maximum thermal efficiency and power generation efficiency can achieve by the system are 8.96%and 2.61%respectively.

关 键 词：有机朗肯循环 余热回收 热力学性能 发电效率 

分 类 号：TM617[电气工程—电力系统及自动化]