
For more information about the Churchill equation for pipe pressure drop calculation, you can refer to this other page on MyEngineeringTools.com : Churchill correlation (friction factor)
MyEngineeringTools.com has developed a free Excel friction factor calculator based on Churchill correlation.
Warning : this calculator is provided to illustrate the concepts mentioned in this webpage, it is not intended for detail design. It is not a commercial product, no guarantee is given on the results. Please consult a reputable designer for all detail design you may need.