Experimental validation of an integrated optimization design of a radial turbine for micro gas turbines

作     者：Lei FU Zhen-ping FENG Guo-jun LI Qing-hua DENG Yan SHI Tie-yu GAO 

作者机构：Key Laboratory of Thermo-fluid Science and Engineering of MOE School of Energy & Power Engineering Xi'an Jiaotong University Xi'an 710049 China Institute of Turbomachinery School of Energy & Power Engineering Xi'an Jiaotong University Xi' an 710049 China 

基　　金：the National Natural Science Foundation of China the China Postdoctoral Science Founda-tion 

出 版 物：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 (浙江大学学报（英文版）A辑（应用物理与工程）)

年 卷 期：2015年第16卷第3期

页      码：241-249页

摘      要：The aerodynamic performance, structural strength, and wheel weight are three important factors in the design process of the radial turbine for micro gas turbines. This study presents the experimental validation process of this integrated optimization design method by using the similarity theory. Cold modeling tests and investigations into the aerodynamic characteristics were performed. Experimental results showed that the aerodynamic efficiency of the micro radial turbine is 84.3% at the design point while also satisfying the aerodynamic and strength requirements. Meanwhile, the total weight of the turbine wheel is 3.8 kg which has only a 52.8% mass of the original design. This indicates that the radial turbine designed through this technique has a high aerodynamic performance, and thus can be applied to micro gas turbines. The results validated that this integrated optimization design method is reliable.

主 题 词：Micro radial turbine Integrated optimization design Bearing and shafting Performance test 

学科分类：080703[080703] 080704[080704] 08[工学] 0807[工学-电子信息类] 

核心收录：

D　O　I：10.1631/jzus.A1400073

馆 藏 号：203320448...