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中低温地热发电循环参数的优化 被引量:19

Optimization of cycle parameters in low-medium temperature geothermal power generation
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摘要 采用工程计算软件EES编制了计算程序,对循环主要状态点的热力参数和热力性能进行了理论计算,确定了最佳蒸发温度,分析了地热流体干度、地热流体初温、冷凝温度和工质对最佳蒸发温度和系统净输出电功的影响。在同种工质的情况下,地热流体干度、温度升高,最佳蒸发温度和系统净输出电功随之升高;冷凝温度升高,最佳蒸发温度升高,但系统净输出电功降低。对于不同工质,地热流体温度为80~120℃时,R601和R134a最佳蒸发温度和系统净输出电功基本相同;地热流体温度大于120℃时,R134a不存在最佳蒸发温度,系统净输出电功R134a高于R601。 采用工程计算软件EES编制了计算程序,对循环主要状态点的热力参数和热力性能进行了理论计算,确定了最佳蒸发温度,分析了地热流体干度、地热流体初温、冷凝温度和工质对最佳蒸发温度和系统净输出电功的影响。在同种工质的情况下,地热流体干度、温度升高,最佳蒸发温度和系统净输出电功随之升高;冷凝温度升高,最佳蒸发温度升高,但系统净输出电功降低。对于不同工质,地热流体温度为80~120℃时,R601和R134a最佳蒸发温度和系统净输出电功基本相同;地热流体温度大于120℃时,R134a不存在最佳蒸发温度,系统净输出电功R134a高于R601。
出处 《化工学报》 EI CAS CSCD 北大核心 2011年第S1期190-196,共7页 CIESC Journal
基金 国家高技术研究发展计划项目(2009AA05Z432)~~
关键词 中低温地热发电 有机朗肯循环 循环参数 low-medium temperature geothermal power generation organic Rankine cycle cycle parameters
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参考文献12

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共引文献172

同被引文献167

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