关键设计参数对ORC系统性能影响分析  

Impact Analysis of Key Design Parameters on ORC System Performance

作　　者：林秋宇[1] 王铎 赵云云[1] LIN Qiu-yu;WANG Duo;ZHAO Yun-yun(Harbin Turbine Company Limited,Harbin 150046,China)

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2023年第5期352-354,370,共4页Turbine Technology

摘　　要：有机朗肯循环系统(ORC系统)中有机工质的蒸发压力、过热度、冷凝压力是影响系统效率的关键因素,通过分析亚临界ORC系统中蒸发压力、过热度、冷凝压力等参数对系统效率的影响,得出各参数对系统效率的影响曲线,并分析蒸发压力对透平效率、透平转速及叶轮直径的影响,为ORC系统优化设计提供指导。In an organic Rankine cycle system(ORC system),the evaporative pressure,superheat and condensing pressure of organic working medium are the key factors affecting system efficiency.This paper analyzes the influence of parameters such as evaporative pressure,superheat and condensing pressure on system efficiency in a subcritical ORC system,and obtains the influence curve of each parameter on system efficiency.The influence of evaporation pressure on turbine efficiency,turbine speed and impeller diameter is analyzed,which provides guidance for ORC system optimization design.

关 键 词：ORC系统 R245FA 系统效率 透平结构 

分 类 号：TK14[动力工程及工程热物理—热能工程]