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A combined system of Stirling engine and gas turbine based on LNG cold energy.

[In Chinese. / En chinois.]

Author(s) : LI J., CHEN X., ZHANG H.

Type of article: Article

Summary

Utilizing cold energy of LNG would bring god economic benefits. A combined system of Sirling engine and gas turbine for recovering LNG cold energy is put forward. Based on the first and second laws of thermodynamics, the combined system is analyzed in detail. The results show that in the 35°C environment, the output power of combined system is 5715.48 kW, the thermal efficiency is 31.62% and the exergy efficiency is 43.65%. Compared with the gas turbine system and the direct cooling inlet air system, the output power of combined system will respectively increase 7.84% and 0.78%, the thermal efficiency will increase 3.16% and 1.63%, and the exergy efficiency will increase 4.23% and 1.63%. At different environment temperatures, the inlet air temperature will decrease about 10°C in the combined system, and the output power and efficiencies will increase with the decreasing of inlet air temperature.

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Pages: 6-9

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 30004170
  • Languages: Chinese
  • Source: Journal of Refrigeration - vol. 33 - n. 143
  • Publication date: 2012/02

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