燃气透平末级叶片及扩压器的联合优化

工程热物理学报 , 2005, 26(1): 47-50.

1.清华大学热能动力工程系,北京,100084

2.三菱重工高砂研究所,日本,高砂,676-8686

3.清华大学热能动力工程系,北京,100084

COMBINED OPTIMIZATION OF LAST STAGE AND DIFFUSER FOR GAS TURBINE

本文基于iSIGHT(R)优化软件包以及叶轮机械三维粘性CFD数值模拟软件包,采用包括全局探索式、梯度搜索式优化算法以及近似模型的组合优化策略,对某燃气透平的末级叶型和扩压器外形进行了联合优化.优化后的透平末级与扩压器部分的CFD预测效率提高了2.8%,同时扩压器的长度缩短了30.1%.

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