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Research on aerodynamic characteristics of air-cooled turbine blade with conjugate heat transfer method

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In order to improve the performance of aero engines, trying to increase the turbine inlet temperature is an important way. But the turbine inlet temperature of modern aero engines can be more than 2000 K, which is far more than what the materials can bear. So advanced cooling technologies should be introduced to solve this problem. Using the conjugate heat transfer method, this paper researched the aerodynamic characteristics of a certain turbine blade with complex cooling structures. Some conclusions can be drawn: the velocity of the air flow and different distributions of coolant flow for turbine blade with multiple cooling air inlets have great influence on the cooling effect; the cooling effect decreases as the temperature ratio decreases; with the same mass cold gas, the less film cooling holes, the worse cooling effect; therefore, a reasonable air flow distribution plays an important role in obtaining good cooling effect.

Original languageEnglish
Title of host publicationThermal, Power and Electrical Engineering
PublisherTrans Tech Publications Ltd
Pages270-275
Number of pages6
ISBN (Print)9783037857434
DOIs
StatePublished - 2013
Externally publishedYes
Event2013 2nd International Conference on Energy and Environmental Protection, ICEEP 2013 - Guilin, China
Duration: 19 Apr 201321 Apr 2013

Publication series

NameAdvanced Materials Research
Volume732-733
ISSN (Print)1022-6680

Conference

Conference2013 2nd International Conference on Energy and Environmental Protection, ICEEP 2013
Country/TerritoryChina
CityGuilin
Period19/04/1321/04/13

Keywords

  • Air-cooled turbine
  • Conjugate heat transfer
  • Cooling effect

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