Optimal Evaluations of Thermal Stresses and the Exchange Conditions in Turbine Blades During Thermal Fatigue Tests.

被引：0
|
作者：
Simbirskii, D.F.
Bogdanov, V.G.
机构：
来源：
Problemy Prochnosti | 1974年 / 6卷 / 09期
关键词：
GAS TURBINES - Blades - STRESSES - Thermal;
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学科分类号：
摘要：
An algorithm is set forth for optimal evaluation of the thermal state of a turbine blade and identification of the conditions of its heat exchange with a gas stream. Kalman filter and some relations for subsequent calculation of thermal stresses is used for this purpose. Examples and results of practical realization of the algorithm on a computer, confirming its effectiveness, are presented. The possibility of evaluation of the thermal state of stress of a turbine blade in different conditions of thermal changes is shown. This method uses experimentally obtained characteristics of its thermal state in conditions of a particular test-bed without additional telemetering.
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页码：110 / 116
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