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CLC number: V235.1

On-line Access: 2011-03-09

Received: 2010-06-19

Revision Accepted: 2010-09-07

Crosschecked: 2011-01-25

Cited: 2

Clicked: 2650

Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.3 P.214-222

10.1631/jzus.A1000233


Prediction of thermal fatigue life of a turbine nozzle guide vane


Author(s):  Xin-qian Zheng, Tao Du, Yang-jun Zhang

Affiliation(s):  State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China, Beijing Power Machinery Research Institute, Beijing 100074, China

Corresponding email(s):   zhengxq@tsinghua.edu.cn

Key Words:  Engine, Nozzle guide vane, Thermal fatigue (TF) life, Solid-fluid


Xin-qian Zheng, Tao Du, Yang-jun Zhang. Prediction of thermal fatigue life of a turbine nozzle guide vane[J]. Journal of Zhejiang University Science A, 2011, 12(3): 214-222.

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author="Xin-qian Zheng, Tao Du, Yang-jun Zhang",
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year="2011",
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doi="10.1631/jzus.A1000233"
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%T Prediction of thermal fatigue life of a turbine nozzle guide vane
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%A Yang-jun Zhang
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%P 214-222
%@ 1673-565X
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1000233

TY - JOUR
T1 - Prediction of thermal fatigue life of a turbine nozzle guide vane
A1 - Xin-qian Zheng
A1 - Tao Du
A1 - Yang-jun Zhang
J0 - Journal of Zhejiang University Science A
VL - 12
IS - 3
SP - 214
EP - 222
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1000233


Abstract: 
Thermal fatigue (TF) is one of the most important factors that influence turbine’s life. This paper establishes a 3D solid-fluid coupling model for a steady temperature analysis of a high-pressure turbine nozzle at different turbine inlet gas total temperatures (TIGTTs). The temperature analysis supplies the temperature load for subsequent 3D finite element analysis to obtain the strain values. Following this, the prediction of the TF life is made on the basis of equivalent strain range. The results show that the strain increases with TIGTT, and the predicted TF life decreases correspondingly. This life prediction was confirmed by one TF test.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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