低温余热有机朗肯循环热力性能分析

Thermodynamic Performance of Low-temperature Organic Rankine Cycle

以热力学为基础,建立了有机朗肯循环数学模型,对以R1234yf、R1234ze E和R1234ze Z为工质的有机朗肯循环进行了对比分析,考察了蒸发温度对系统净输出功、循环工质流量、热效率以及第二定律效率的影响。

Based on the thermodynamic principle, a mathematical model is built for analyzing the performance of the low-temperature organic Rankine cycle using R1234 yf, R1234 ze E and R1234 ze Z as working fluid in this paper. The effects of evaporation temperature on the net output power, refrigerant mass flow rate, thermal efficiency and second law efficiency of the system have been investigated.