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ORNL-AMO / AMO-Tools-Desktop

AMO-Tools-Desktop is an energy efficiency calculation application for use with industrial equipment such as pumps, furnaces, fans, and motors, as well as for industrial systems such as steam. Currently in beta.
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Compressed Air: Air Leak Survey Orifice Method #5377

Closed AlexBotts closed 2 years ago

AlexBotts commented 2 years ago

There is a bug somewhere in the calculation. The original excel sheet is giving the proper answer but doesn't match MEASUR. Alex is combing through to find the issue.

AlexBotts commented 2 years ago

StandarDensity and sonicDensity are being calculated incorrectly. I also don't see caDensity being calculated at all or a conversion for user input from F to R... for metric this conversion for temp will be different.

airTempRankine = airTemp + 459.67 'converting F to R caPressurePSIA = supplyPressure + atmpressure caDensity = (caPressurePSIA 144 / 53.34 airTempRankine) standardDensity = atmpressure 144 / (53.34 airTempRankine)) sonicDensity = (caDensity * (2 / (1.4 + 1)) ^ (1 / (1.4 - 1)))

AlexBotts commented 2 years ago

Assuming calculations above work out, the label on the UI for SupplyPressure will need updated to "psig"

rmroot commented 2 years ago

this is a suite issue BTW

AlexBotts commented 2 years ago

Moving to the suite side 644