摘要
研究了分级抽汽回热式太阳能低温有机朗肯循环系统的热力性能。以R600和R245fa作为循环工质,利用热力学第一定律和第二定律,在不同的蒸发温度和膨胀比的条件下,对分级抽汽回热式系统和基本有机朗肯循环系统的热力性能变化进行比较和分析,指出分级抽汽回热式系统的热效率和效率更高,产生的不可逆损失更小,具有更优越的性能。
The The performances of low-temperature power generation system are investigated based on the graded regenerative extraction Organic Rankine Cycle （ORC） driven by solar. R600 and R245fa are are chosen as the working fluids, thermodynamics analysis and comparison of graded regenerative ORC system and common ORC system are conducted by evaporation temperature and pressure ratio, based on the first law of thermodynamics and the second law of thermodynamics. The conclusion is that the graded regenerative extraction ORC system has higher thermal efficiency,higher second law efficiency, lower irreversible loss and better performance.
出处
《汽轮机技术》
北大核心
2012年第2期81-85,共5页
Turbine Technology
关键词
太阳能
有机朗肯循环
分级抽汽回热
不可逆损失
热效率
solar energy
organic rankine cycle
graded regenerative extraction
irreversibility
thermal efficiency
