›› 2012, Vol. 42 ›› Issue (04): 863-866.

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Size optimization design of cooling structure in transition segment of gas turbine combustor

XU Tao, YU Zheng-lei, ZHANG Wei, WANG Zhi-ming, LI Jun-lou, ZUO Wen-jie   

  1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China
  • Received:2011-08-10 Online:2012-07-01 Published:2012-07-01

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Abstract: The cooling problem of the transition segment of the gas turbine combustor (TSGTC) was studied. The diameter of the cooling hole was chosen as the optimization variable for the size optimization of TSGTC. The quadric regressive orthogonal-composite design of experiment was used to rationally allocate the test points. The least-square method was used to construct the response surface models of the combustor wall temperature and the cold air outlet pressure to the cooling hole diameter. The adaptive response surface methodology was applied to realize the optimal design of the response surface models. The results of numerical simulations provided a valuable reference for form and cooling design of TSGTC.

Key words: power machinery and engineering, computational mechanics, heat transfer calculation, transition segment, design of experiment (DoE), optimal design

CLC Number: 

  • O302
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