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Performance optimization of adiabatic compressed air energy storage with ejector technology.

Author(s) : GUO Z., DENG G., FAN Y., et al.

Type of article: Article

Summary

In this paper, the performances of two adiabatic compressed air energy storage systems were determined. In system 1#, compressed air was reduced directly from 6.40?MPa to 2.50?MPa. In system 2#, compressed air was first reduced to 5.00?MPa and was later adjusted to 2.50?MPa by an ejector under an ejecting coefficient of 0.45. The mass flow of turbine 1# increased by 45%, and its power output capacity increased from 3.80?MW to 5.51?MW. The energy conversion efficiency of system 2# increased to 65.36% from 61.95% for system 1#. The application of the ejector improved the efficiency by 3.41%.

Details

  • Original title: Performance optimization of adiabatic compressed air energy storage with ejector technology.
  • Record ID : 30016915
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 94
  • Publication date: 2016/02/05
  • DOI: http://dx.doi.org/10.1016/j.applthermaleng.2015.10.047

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