Continuous containment monitoring with containment pressure fluctuation
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United States of America Patent
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-
Aug 3, 1993
Grant Date -
N/A
app pub date -
Nov 8, 1991
filing date -
Nov 9, 1990
priority date (Note) -
Expired
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Abstract
A method of determining the rate of air leakage from or into a containment is described. The internal pressure of the containment is maintained at a positive or negative value with reference to ambient air pressure and the air mass changes are continuously monitored through measurements of pressure, temperature, relative humidity and free volume. Air leakage is measured through a mass balance equation and a regression analysis carried out to yield constants which characterize the various features of the leakage flow and give an indication of the accuracy of the results.
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