Thermocouple probe and method for measuring fluid flow rates
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United States of America Patent
Stats
-
Jun 14, 1988
Grant Date -
N/A
app pub date -
Mar 13, 1986
filing date -
Mar 13, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for measuring local fluid flow rates in a vessel, e.g., a packed bed two-phase flow catalytic reactor, is disclosed which comprises: (a) arranging a plurality of heated thermocouple probes in the vessel at predetermined locations in the path of the fluid flow therethrough; (b) obtaining a first set of temperature readings with the probe heaters off to provide the local reactor temperature; (c) obtaining a second set of temperature readings with the probe heaters on to provide the skin temperature of the heater well; (d) using the difference between readings (b) and (c) to calculate the fluid flow rates.
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