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Review of Advanced Effusive Cooling for Gas Turbine Blades.

Author(s) : WANG W., YAN Y., ZHOU Y., CUI J.

Type of article: Periodical article, Review

Summary

Turbine inlet temperature has continuously increased to improve gas turbine performance during the past few decades. Although internal convection cooling and traditional film cooling have contributed significantly to the current achievement, advanced cooling schemes are needed to minimize the coolant consumption and maximize the cooling efficiency for future gas turbines. This paper conducts a comprehensive review of advanced effusive cooling schemes for gas turbine blades. First, the background and the history of turbine blade cooling are introduced. Then, the metrics of effusive cooling efficiency are defined. Next, effusion cooling, impingement/effusion cooling, and transpiration cooling are reviewed. The flow and heat transfer mechanisms of the cooling schemes are emphasized, and the design trends of the cooling schemes are revealed. Finally, the conclusions and future research perspectives are summarized.

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Pages: 28 p.

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Details

  • Original title: Review of Advanced Effusive Cooling for Gas Turbine Blades.
  • Record ID : 30030894
  • Languages: English
  • Subject: Technology
  • Source: Energies - 15 - 22
  • Publishers: MDPI
  • Publication date: 2022/11
  • DOI: http://dx.doi.org/10.3390/en15228568

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