Head loss coefficient applicable to totally open gate valve
Input data
Diameter
a/A
Output data
k for θ = 10°
kQ for θ = 10°
k for θ = 20°
kQ for θ = 20°
Description
Find the head loss coefficients for fully open gate valves.
Given the diameter and the passage area/pipe area of a gate valve, calculates de head loss coefficients applied to the formulae:
- For k applicable to: $$ hf = \frac{k \cdot U^2}{2g} $$
- For $k_Q$ applicable to: $$ ℎf = k_Q\cdot Q^2 $$
Gate valve
References
- Miller, Donald S. Internal flow systems. BHRA Fluid Engineers, 1978.