Water Jet Force CalculatorCalculator:
Enter the values of velocity of the water jet, V(m/s) and mass flow rate, MFR(kg/s) to determine the value of water jet force, WJF(N).
Water Jet Force Formula:
The force exerted by a water jet is derived from the momentum change of the water as it is expelled at high velocity.
Water jet force, WJF(N) in Newtons is calculated by multiplying the velocity of the water jet, V(m/s) in metres per second, by the mass flow rate, MFR(kg/s) in kilograms per second.
Water jet force, WJF(N) = V(m/s) * MFR(kg/s)
WJF(N) = water jet force in Newtons, N.
V(m/s) = velocity in metres per seconds, m/s.
MFR(kg/s) = mass flow rate in kilograms per second, kg/s.
Water Jet Force Calculation:
1.Determine the force of a water jet used in a hydraulic cleaning system that expels water at a velocity of 400 m/s with a mass flow rate of 0.5 kg/s.
Given: V(m/s) = 400m/s, MFR(kg/s) = 0.5kg/s.
Water jet force, WJF(N) = V(m/s) * MFR(kg/s)
WJF(N) = 400 * 0.5
WJF(N) = 200N.
2.A water jet is producing a force of 500 Newtons while expelling water at a velocity of 250 metres per second. Calculate the mass flow rate of the water.
Given: V(m/s) = 250m/s, WJF(N) = 500N.
Water jet force, WJF(N) = V(m/s) * MFR(kg/s)
MFR(kg/s) = WJF(N) / V(m/s)
MFR(kg/s) = 500 / 250
MFR(kg/s) = 2kg/s.