A Pressure Index for Predicting the Effect of Flow Profiles on Orifice Meter Performance
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The influence of upstream non-normal velocity distributions on orifice meters is studied experimentally. Several parameters, based on the velocity distribution, were found to correlate with the discharge coefficient. A pressure index, based on wall-pressure measurements, was also shown to correlate with the discharge coefficient. An examination of a proposed prediction method using the pressure index, showed that it appears possible to predict the performance of orifice meters when the approach profiles are non-normal.
1982 ◽
Vol 194
(1-3)
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pp. 555-559
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1988 ◽
Vol 92
(911)
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pp. 36-53
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1969 ◽
Vol 11
(5)
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pp. 454-467
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2015 ◽
Vol 138
(3)
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pp. 1627-1636
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