作者: T. Guo , H.X. Wang , S.J. Zhang
DOI: 10.1016/J.ENCONMAN.2010.12.038
关键词:
摘要: A novel cogeneration system driven by low-temperature geothermal sources was investigated in this study. This consists of a geothermally-powered organic Rankine cycle (ORC) subsystem, an intermediate heat exchanger and commercial R134a-based pump subsystem. The main purpose is to identify appropriate fluids which may yield high PPR (the ratio power produced the generation subsystem consumed subsystem) value QQR supplied user source) value. Performances under disturbance conditions have also been studied. Results indicate that group presenting higher normal boiling point values shows averagely 7.7% R236ea R245ca outstand among group. ΔTP (pinch temperature difference exchangers) ηt (turbine efficiency) play more important roles on variation values. change slightly with various ΔTP, ηrp (refrigerant while range larger source heating supply parameters. Smaller value, parameters lower lead but