有机朗肯循环无油涡旋膨胀机热力学特性研究及试验验证Research on thermodynamic characteristics and experimental verification of ORC oil-free scroll expander
彭斌,杨宝坤,巩楷刚,张朋成,徐建伟,刘慧鑫
摘要(Abstract):
为详细研究无油涡旋膨胀机的热力学特性,基于热力学第一定律、能量和质量平衡方程建立了泄漏模型和热力学模型,并进一步改变不同的工况参数来研究涡旋膨胀机泄漏量的变化情况。在综合考虑传热与泄漏对热力学模型的影响下,采用欧拉法对建立的热力学模型进行求解,得到并分析了涡旋膨胀机在运行1个周期内工质的压力、温度、质量随主轴转角变化情况。最后,通过搭建试验平台,对所建立的涡旋膨胀机热力学模型进行试验验证,并为涡旋膨胀机的性能分析提供一定的借鉴作用。
关键词(KeyWords): 有机朗肯循环;无油涡旋膨胀机;泄漏模型;热力学模型;试验验证
基金项目(Foundation): 国家自然科学基金项目(51675254,51966009);; 国家重点研发计划项目(SQ2020YFF042098);; 甘肃省科技计划项目(20YF8GA057);; 甘肃省优秀博士生项目(22JR5RA235)~~
作者(Author): 彭斌,杨宝坤,巩楷刚,张朋成,徐建伟,刘慧鑫
DOI: 10.19666/j.rlfd.202210243
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