Description

Performs head losses calculations in curves with a known value of $\frac{R}{D}$, and in elbows ($\frac{R}{D}$ = 1). There are two options:

$\frac{R}{D}$	1	1.5	2	4	6	8
k	0.48	0.36	0.27	0.21	0.27	0.36

Given the flow

Given the flow, the pipe diameter and the relation $\frac{R}{D}$, calculates the corresponding head loss.

Coefficient

Given the pipe diameter and the relation $\frac{R}{D}$, calculates the head losses coefficients corresponding to the expressions:

• k applicable to the expression:
  $$h_f = k. \frac{U^2}{2g}$$
• kQ applicable to the expression:
  $$h_f = k_Q. Q^2$$