Measurement of the inlet gas temperature of a gas turbine

被引：0
|
作者：
Lechner, Christof
Bothien, Mirko R.
机构：
来源：
Proceedings of the ASME Turbo Expo 2005, Vol 1 | 2005年
关键词：
temperature measurement; (gas) radiation; indication deviation; uncertainty estimation; heat transfer;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The measurement of the inlet gas temperature of a gas turbine using intrusive measuring techniques has to face the fundamental problem, that there is a deviation between the temperature of the sensor, which is indicated, and the gas temperature. The paper collates all phenomena, which have an influence on this deviation. Furthermore, it presents methodologies, which allow the calculation of the gas temperature from the indicated temperature of the sensor. The impacts of the relevant heat flux mechanisms are quantified for a typical gas turbine application, and the overall uncertainty of the method is estimated. Additionally, the uncertainty of the measuring chain determining the indicated temperature. is estimated. Combining the two uncertainties a total uncertainty of the gas temperature measurement is given.
引用
收藏
页码：507 / 515
页数：9
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