Cheng cycle

The Cheng cycle is a retrofit to the gas turbine cycle. The Cheng cycle involves the heated exhaust gas from the turbine being used to make steam in a heat recovery steam generator (HRSG).[1] The steam so produced is injected into the gas turbine's combustion chamber to increase power output.[2] The process can be thought of as a parallel combination of the gas turbine Brayton cycle and a steam turbine Rankine cycle.[3][4] The cycle was invented by Prof. D. Y. Cheng of the University of Santa Clara who patented it in 1976.[5][6]

See also

References

  1. Penning, F. M. and de Lange, F. M. (1995) Steam Injection: analysis of a typical application Applied Thermal Engineering Vol. 16, No. 2, pp. 115 125
  2. De Paepe, M. and E. Dick (2001) Technological and economical analysis of water recovery in steam injected gas turbines, Applied Thermal Engineering, Volume 21, Issue 2, January 2001, Pages 135–156
  3. Stadler,F. and U. Schneider, (1997) ELIN Cheng Cycle, Elin Energieversorgung GmbH, 1997
  4. Motz,D.A. (1987) The Cheng Cycle: principles and applications, Ass. Energy Engng, 8th World Energy Engng Conf., Atlanta, USA
  5. Cen,Ke-fa Yong Chi, Jianhua Yan (2007) Challenges of Power Engineering and Environment: Proceedings of the International Conference on Power Engineering, Springer (Accessed August 2012)
  6. Cheng, D.Y. and A.L.C. Nelson (2002) Chronological development of the cheng cycle steam injected gas turbine during the past 25 years. in: Anon (Ed.), Proceedings of ASME Turbo Expo 2002, Amsterdam, ASME Paper No. GT-2002-30119 (2002), pp. 421–428
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