Calculating Vena Contracta K Factor: Inlet and Outlet Pressure Difference Method

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To calculate the K factor for a vena contracta, one must determine the inlet and outlet pressures, find their difference, and then use this pressure difference to calculate the height (h) by dividing it by the product of fluid density (rho) and gravity. The equation h = K (V2/2g) can then be rearranged to solve for K. It's important to consider the actual pressure drop versus the ideal pressure drop when calculating h. Additional methods or references may provide further insights into this calculation. Understanding these steps is crucial for accurate K factor determination in fluid dynamics.
Physicist3
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To calculate the K factor for a contraction, do you find the inlet pressure and outlet pressure and then find the difference, then divide the pressure difference by rho x gravity to find the value of h and then rearrange h = K (V2/2g) to find K because I am unsure otherwise?
 
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What else one can do?
 
Cheers. Am i right in thinking the pressure difference between the actual pressure drop and ideal pressure drop should be used to find h for use in the eqtn?
 

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