Temperature measurement in the flowing medium

The article deals with a brief description of methods of temperature measurements in a flowing water steam. Attention is paid to the measurement of pseudo static temperature by a single sealed thermocouple entering the flowing liquid through the flown-by wall. Then three types of probes for stagnati...

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Bibliographic Details
Published inMATEC web of conferences Vol. 168; p. 1002
Main Authors Sedlák, Kamil, Fialová, Lenka
Format Journal Article Conference Proceeding
LanguageEnglish
Published Les Ulis EDP Sciences 01.01.2018
Subjects
Measurement methods
Parameters
Stagnation temperature
Steam turbines
Temperature measurement
Thermometers
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Summary:The article deals with a brief description of methods of temperature measurements in a flowing water steam. Attention is paid to the measurement of pseudo static temperature by a single sealed thermocouple entering the flowing liquid through the flown-by wall. Then three types of probes for stagnation temperature measurement are shown, whose properties were tested using CFD calculations. The aim was to design a probe of stagnation parameters of described properties which can be used for measuring flow parameters in a real steam turbine. An important factor influencing the construction is not only the safe manipulation of the probe when inserting and removing it from the machine in operation, but also the possibility to traverse the probe along the blade length.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201816801002