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Thermodynamic parameter matching ability of geothermal flash-binary power system
Based on the numerical simulation, the effect of geothermal water temperature on net power output, thermal efficiency, and optimal temperature of flash-binary power system was discussed in this paper. The simulation results show that when the temperature is 80 °C, the net power output per geofluid is about 1.08 and 0.86 kWh/t by direct cooling and indirect cooling of flash system, respectively, when the temperature is 150 °C, the values are 6.57 and 6.35 kWh/t; the optimal temperature of the combined system is 80 °C and 85 °C, 100 °C and 115 °C, and 125 °C and 140 °C by direct cooling and indirect cooling of flash system, respectively, when the geothermal water temperature is 100 °C, 130 °C, and 150 °C. In addition, the power output of flash-binary system by direct cooling is dominated by flash power generation, while by indirect cooling is dominated by binary power generation. The flash-binary power system could provide technical support for geothermal resource utilization in China.
Thermodynamic parameter matching ability of geothermal flash-binary power system
Based on the numerical simulation, the effect of geothermal water temperature on net power output, thermal efficiency, and optimal temperature of flash-binary power system was discussed in this paper. The simulation results show that when the temperature is 80 °C, the net power output per geofluid is about 1.08 and 0.86 kWh/t by direct cooling and indirect cooling of flash system, respectively, when the temperature is 150 °C, the values are 6.57 and 6.35 kWh/t; the optimal temperature of the combined system is 80 °C and 85 °C, 100 °C and 115 °C, and 125 °C and 140 °C by direct cooling and indirect cooling of flash system, respectively, when the geothermal water temperature is 100 °C, 130 °C, and 150 °C. In addition, the power output of flash-binary system by direct cooling is dominated by flash power generation, while by indirect cooling is dominated by binary power generation. The flash-binary power system could provide technical support for geothermal resource utilization in China.
Thermodynamic parameter matching ability of geothermal flash-binary power system
Luo, Chao (author) / Lu, Zhenneng (author) / Gong, Yulie (author) / Ma, Weibin (author)
2014-05-01
8 pages
Article (Journal)
Electronic Resource
English
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