Performance analysis of printed circuit heat exchanger for supercritical carbon dioxide and water
印刷电路热交换器可用作超临界二氧化碳(S-CO2)布雷顿动力循环中的预冷器。由于预冷器中S-CO2特性的剧烈变化,采用分段设计方法研究PCHE的热工水力性能。当热负荷给定时,局部传热熵产生数有极值,出现在两侧热容流量交点附近。另外,局部和总熵产生主要取决于局部和总传热熵产生,流动不平衡会增加熵产生,特别是在水的局部热容流速较高的情况下。
Zhang, H., Cheng, K., Huai, X., & Guo, J. (2020). Performance analysis of printed circuit heat exchanger for supercritical carbon dioxide and water. In IOP Conference Series: Materials Science and Engineering (Vol. 721, No. 1, p. 012039). IOP Publishing.