Can sudden expansion loss coefficients be summed?

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SUMMARY

The discussion centers on the summation of sudden expansion loss coefficients in fluid dynamics, specifically for a manifold with varying geometries. Participants confirm that loss coefficients can be summed when the flow conditions remain consistent across sections. The referenced equation 2-5 provides a mathematical foundation for this process, ensuring accurate calculations for equivalent loss coefficients in complex systems.

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JGonzalez
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I was wondering since I'm trying to figure out an equivalent loss coefficient for a manifold that has a specific geometry. I have several area sections and would like to know if I can just add up the resulting loss coefficients from one section to the other.

Any help would be greatly appreciated.
 
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See equation 2-5 attached.
 

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