Non-uniform temperature distribution of turbine casing and its effect on turbine casing distortion

被引：9
|
作者：
Poursaeidi, E. [1 ]
Taheri, M. [1 ]
Farhangi, A. [1 ]
机构：
[1] Univ Zanjan, Dept Mech Engn, Zanjan, Iran
来源：
APPLIED THERMAL ENGINEERING | 2014年 / 71卷 / 01期
关键词：
Gas turbine casing; Thermal distribution; Thermal stress; Thermography; FAILURE ANALYSIS; LIFE ASSESSMENT; HEAT-TRANSFER; BLADES; LINER;
D O I：
10.1016/j.applthermaleng.2014.07.019
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Stress analysis is essential for gaining an understanding of the factors affecting crack on turbine casing arising from temperature gradients. Hence, making determinations of temperature distribution on gas turbine casing is the first step in stress analysis. The next step is comparison of results with available thermography data related to the casing. In addition, stress and distortion distributions are presented for three test levels of working load on the casing. Comparison of stress concentrations at the eccentric pin hole and observed cracks in these locations validated evaluations for stress distribution. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：433 / 444
页数：12
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