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重庆市水泥工业纯低温余热发电技术应用 被引量:3
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作者 杨钢 《热力发电》 CAS 北大核心 2009年第4期92-92,共1页
关键词 余热发电技术 重庆市 水泥工业 纯低温 水泥生产工艺 应用 产品成本 经济效益
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Efficiency analysis of trilateral-cycle power systems for waste heat recovery-to-power generation
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作者 Habeeb A.AJIMOTOKAN 《Journal of Central South University》 SCIE EI CAS CSCD 2016年第12期3160-3170,共11页
Numerous innovative heat recovery-to-power technologies have been resourcefully and technologically exploited to bridge the growing gap between energy needs and its sustainable and affordable supply.Among them,the pro... Numerous innovative heat recovery-to-power technologies have been resourcefully and technologically exploited to bridge the growing gap between energy needs and its sustainable and affordable supply.Among them,the proposed trilateral-cycle(TLC) power system exhibits high thermodynamic efficiency during heat recovery-to-power from low-to-medium temperature heat sources.The TLCs are proposed and analysed using n-pentane as working fluid for waste heat recovery-to-power generation from low-grade heat source to evaluate the thermodynamic efficiency of the cycles.Four different single stage TLC configurations with distinct working principles are modelled thermodynamically using engineering equation solver.Based on the thermodynamic framework,thermodynamic performance simulation and efficiency analysis of the cycles as well as the exergy efficiencies of the heating and condensing processes are carried out and compared in their efficiency.The results show that the simple TLC,recuperated TLC,reheat TLC and regenerative TLC operating at subcritical conditions with cycle high temperature of 473 K can attain thermal efficiencies of 21.97%,23.91%,22.07% and 22.9%,respectively.The recuperated TLC attains the highest thermodynamic efficiency at the cycle high temperature because of its lowest exergy destruction rates in the heat exchanger and condenser.The efficiency analysis carried out would assist in guiding thermodynamic process development and thermal integration of the proposed cycles. 展开更多
关键词 trilateral cycle waste heat recovery-to-power generation thermodynamic performance simulation efficiency analysis process development and integration
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