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A bend coefficient may be used for 1-D gradually varied flow and multiplied by the upstream cross-section averaged velocity head term, such that
Headloss = C *a* u12/(2g)
Where C is the bend coefficient which usually ranges between 0.05 - 0.6. The bend coefficient decreases as the radius of curvature decreases.
a is the correction factor as a result of using cross-sectioned averaged velocity. This may be assumed as 1 if unknown, but is often times greater than 1 up to 1.4
u1 is the cross section averaged 1-D velocity for the upstream segment
g is gravity
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we can improve the bernoulli equation by adding the head losses at the final flow state and also we account the major (friction loss and viscus loss) losses and Minor losses (pipe bend , pipe contraction , pipe inlet and outlet, pipe fittings , valves etc)... If we account those losses and added to the head losses then the Bernoulli's equation gives the very accurate value....
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Energy loss is I^2*R losses. Calculate the transmission line resistance, and multiply by the current squared per unit time (seconds if in watt/seconds, for example).
In the Bernoulli's theorem demonstration how can you improve the accuracy of the results?
we can improve the bernoulli equation by adding the head losses at the final flow state and also we account the major (friction loss and viscus loss) losses and Minor losses (pipe bend , pipe contraction , pipe inlet and outlet, pipe fittings , valves etc)... If we account those losses and added to the head losses then the Bernoulli's equation gives the very accurate value....
