Influence of thermowells on accuracy of temperature measurements for flowing gases in low-pressure and high-pressure pipelines

被引：0
|
作者：
Nath, B [1 ]
Dietrich, H [1 ]
机构：
[1] Elster Prod GMBH, Abt Grundlagen Vorentwicklung, D-55252 Mainz, Germany
来源：
TEMPERATURE '98 | 1998年 / 1379卷
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The following contribution deals with temperature measuring errors which may occur when recording the gas temperature within pipes that are equipped with thermowells. Using a simple one-dimensional heat flow model, the temperature difference between the gas and temperature sensor will be determined and confirmed by means of measuring results and CFD-simulations. In addition, measuring errors caused by the gas flow against the thermowell are analysed. A calculation example demonstrates how to check the thermodynamic design of a thermowell.
引用
收藏
页码：269 / 274
页数：4
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