Flow calculation with known cv and pressure drop
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I am using simulink to calculate flow from known cv and pressure drop.
Cv=1.9
Pr.drop= 1.74 psi
Flow obtained from Simulink results to be 11.65 lpm
Working tempwerature to be 60 deg F
![Flow_using_Cv calc.JPG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/209374/Flow_using_Cv%20calc.jpeg)
But flow from calculation using below formulae results with 10.46 lpm
![Cv.JPG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/209375/Cv.jpeg)
Kindly suggest for the reson for variation.
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