面向船舶余热回收的TEG-ORC联合循环变底循环比及过热工况输出性能研究

孙德平; 李怡然; 乔广超; 石飞雄; 封星; 柳长昕

doi:10.19912/j.0254-0096.tynxb.2023-1967

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (3) : 73-82. DOI: 10.19912/j.0254-0096.tynxb.2023-1967

面向船舶余热回收的TEG-ORC联合循环变底循环比及过热工况输出性能研究

孙德平, 李怡然, 乔广超, 石飞雄, 封星, 柳长昕

作者信息 +

RESEARCH ON DIFFERENT BOTTOM CYCLE RATIOS AND SUPERHEAT CONDITION OUTPUT PERFORMANCE OF TEG-ORC COMBINED CYCLE FOR SHIP WASTE HEAT RECOVERY

Sun Deping, Li Yiran, Qiao Guangchao, Shi Feixiong, Feng Xing, Liu Changxin

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文章历史 +

摘要

选用R245fa作为有机朗肯循环（ORC）底循环工质,比较工质在饱和蒸汽状态与过热蒸汽状态时的联合循环系统性能,并研究特定过热度工况下TEG/ORC底循环比的变化对系统性能的影响。试验结果表明,在TEG-ORC联合循环中,提高工质过热度能提高系统输出功率;在工质过热状态下,增加底循环比能显著增加联合循环系统输出功率的同时降低其发电成本、提高工质流量,有助于提升联合循环系统的性能。

Abstract

This paper selects R245fa as the ORC bottom cycle working fluid and compares the system performance in saturated steam and superheated steam states. The paper also studies the impact of changes in TEG/ORC bottom cycle ratio on system performance under specific superheat conditions. Experimental results indicate that in the TEG-ORC combined cycle, increasing the working fluid’s superheat can enhance system output power. In the working fluid’s superheated state, increasing the bottoming cycle ratio boosts the combined cycle system's output power,lowers generation costs,and elevates working fluid flow rate,collectively enhancing the performance of the combined cycle system.

导出引用

孙德平, 李怡然, 乔广超, 石飞雄, 封星, 柳长昕. 面向船舶余热回收的TEG-ORC联合循环变底循环比及过热工况输出性能研究[J]. 太阳能学报. 2025, 46(3): 73-82 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1967

Sun Deping, Li Yiran, Qiao Guangchao, Shi Feixiong, Feng Xing, Liu Changxin. RESEARCH ON DIFFERENT BOTTOM CYCLE RATIOS AND SUPERHEAT CONDITION OUTPUT PERFORMANCE OF TEG-ORC COMBINED CYCLE FOR SHIP WASTE HEAT RECOVERY[J]. Acta Energiae Solaris Sinica. 2025, 46(3): 73-82 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1967

中图分类号： TK123

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