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- W2619382457 abstract "The transcritical CO2 Rankine cycle with liquefied natural gas (LNG) as cold source is a promising power system to utilize mid- and low-temperature heat source. Most previous works focused on thermodynamic and thermoeconomic analysis or optimization for the system. In this article, an off-design performance analysis for the system is conducted. An off-design mathematical model for the system is established to examine the variation of system performance with the variations of heat source mass flow rate and temperature. A modified sliding pressure regulation control strategy, which regulates turbine inlet pressure to keep the temperature difference between heat source temperature and turbine inlet temperature constant, is applied to control the system when off-design conditions happen. The results show that when the mass flow rate or the temperature of heat source is less or lower than that of design condition, both the net power output of system and the system exergy efficiency decrease, whereas when they are more or higher than the values of design condition, the net power output of system increases but the system exergy efficiency still decreases. In addition, both CO2 turbine and NG turbine could almost keep the designed efficiency values under the applied control strategy." @default.
- W2619382457 created "2017-06-05" @default.
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- W2619382457 date "2017-05-22" @default.
- W2619382457 modified "2023-09-27" @default.
- W2619382457 title "Off-design performance analysis of a transcritical CO<sub>2</sub> Rankine cycle with LNG as cold source" @default.
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- W2619382457 doi "https://doi.org/10.1080/15435075.2017.1329149" @default.
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