【摘 要】
：
A novel combined system integrated with SOFC/GT is proposed,which employs the double heat source Kalina cycle to recover the waste heat from SOFC/GT and the
【机 构】
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Shandong University,School of Energy and Power Engineering,Jinan 250061,China
【出 处】
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第十五届全国氢能会议暨第7届两岸三地氢能研讨会
论文部分内容阅读
A novel combined system integrated with SOFC/GT is proposed,which employs the double heat source Kalina cycle to recover the waste heat from SOFC/GT and the membrane separation of N2 or CO2 to obtain the oxygen-enriched air and low CO2 emissions.The mathematical model for the proposed system is developed by using the EES software and the system performance isstudiedbased on the first and second laws of thermodynamics.The parametric study is also conducted to investigate the influence of the main parameters,such as O2 purity of oxygen-enriched air,the fuel utilization factor,on the system performance.The results indicate thatthe SOFCelectricalefficiencyof the proposed system is 51.24%,increased by 1.23%in comparison with that of the reference system.The exergy analysis results show that the largest exergy loss occurs in membrane separation device of N2 followed by the gas turbine,the medium temperature waste heat boiler and combustion chamber.
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