Flow Velocity given Thrust on Propeller Calculator

✖Thrust Force acting perpendicular to the job piece.ⓘ Thrust Force [Ft]			+10% -10%
✖Water Density is mass per unit of water.ⓘ Water Density [ρ_Water]			+10% -10%
✖Rate of Flow is the rate at which a liquid or other substance flows through a particular channel, pipe, etc.ⓘ Rate of Flow [q_flow]			+10% -10%
✖Absolute Velocity of Issuing Jet is actual velocity of jet used in propeller.ⓘ Absolute Velocity of Issuing Jet [V]			+10% -10%

✖Flow Velocity is the velocity of the flow of any fluid.ⓘ Flow Velocity given Thrust on Propeller [V_f]

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Formula

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Flow Velocity given Thrust on Propeller

Formula

`"V"_{"f"} = -("Ft"/("ρ"_{"Water"}*"q"_{"flow"}))+"V"`

Example

`"5.979167m/s"=-("0.5kN"/("1000kg/m³"*"24m³/s"))+"6m/s"`

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Flow Velocity given Thrust on Propeller Solution

STEP 0: Pre-Calculation Summary

Formula Used

Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet
V_f = -(Ft/(ρ_Water*q_flow))+V
This formula uses 5 Variables

Variables Used

Flow Velocity - (Measured in Meter per Second) - Flow Velocity is the velocity of the flow of any fluid.
Thrust Force - (Measured in Newton) - Thrust Force acting perpendicular to the job piece.
Water Density - (Measured in Kilogram per Cubic Meter) - Water Density is mass per unit of water.
Rate of Flow - (Measured in Cubic Meter per Second) - Rate of Flow is the rate at which a liquid or other substance flows through a particular channel, pipe, etc.
Absolute Velocity of Issuing Jet - (Measured in Meter per Second) - Absolute Velocity of Issuing Jet is actual velocity of jet used in propeller.

STEP 1: Convert Input(s) to Base Unit

Thrust Force: 0.5 Kilonewton --> 500 Newton (Check conversion here)
Water Density: 1000 Kilogram per Cubic Meter --> 1000 Kilogram per Cubic Meter No Conversion Required
Rate of Flow: 24 Cubic Meter per Second --> 24 Cubic Meter per Second No Conversion Required
Absolute Velocity of Issuing Jet: 6 Meter per Second --> 6 Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_f = -(Ft/(ρ_Water*q_flow))+V --> -(500/(1000*24))+6

Evaluating ... ...

V_f = 5.97916666666667

STEP 3: Convert Result to Output's Unit

5.97916666666667 Meter per Second --> No Conversion Required

FINAL ANSWER

5.97916666666667 ≈ 5.979167 Meter per Second <-- Flow Velocity

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Hydraulics and Waterworks » Impulse Momentum Equation and its Applications » Momentum Theory of Propellers » Flow Velocity given Thrust on Propeller

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< 14 Momentum Theory of Propellers Calculators

Output Power given Rate of Flow through Propeller

Go Output Power = Water Density*Rate of Flow*Flow Velocity*(Absolute Velocity of Issuing Jet-Flow Velocity)

Flow Velocity given Power Lost

Go Flow Velocity = Absolute Velocity of Issuing Jet-sqrt((Power Loss/(Density of Fluid*Rate of Flow*0.5)))

Rate of Flow through Propeller

Go Rate of Flow through Propeller = (pi/8)*(Diameter of Turbine^2)*(Absolute Velocity of Issuing Jet+Flow Velocity)

Rate of Flow given Power Lost

Go Rate of Flow = Power Loss/Density of Fluid*0.5*(Absolute Velocity of Issuing Jet-Flow Velocity)^2

Power Lost

Go Power Loss = Density of Fluid*Rate of Flow*0.5*(Absolute Velocity of Issuing Jet-Flow Velocity)^2

Flow Velocity given Rate of Flow through Propeller

Go Flow Velocity = (8*Rate of Flow/(pi*Diameter of Turbine^2))-Absolute Velocity of Issuing Jet

Flow Velocity given Thrust on Propeller

Go Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet

Diameter of Propeller given Thrust on Propeller

Go Diameter of Turbine = sqrt((4/pi)*Thrust Force/Change in Pressure)

Thrust on Propeller

Go Thrust Force = (pi/4)*(Diameter of Turbine^2)*Change in Pressure

Theoretical Propulsive Efficiency

Go Efficiency of Jet = 2/(1+(Absolute Velocity of Issuing Jet/Flow Velocity))

Flow Velocity given Theoretical Propulsive efficiency

Go Flow Velocity = Absolute Velocity of Issuing Jet/(2/Efficiency of Jet-1)

Output Power given Input Power

Go Output Power = Total Input Power-Power Loss

Power Lost given Input Power

Go Power Loss = Total Input Power-Output Power

Input Power

Go Total Input Power = Output Power+Power Loss

Flow Velocity given Thrust on Propeller Formula

Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet
V_f = -(Ft/(ρ_Water*q_flow))+V

What is Rate of Flow?

Rate of flow may refer to: Mass flow rate, the movement of mass per time. Volumetric flow rate, the volume of a fluid which passes through a given surface per unit of time. Heat flow rate, the movement of heat per time.

How to Calculate Flow Velocity given Thrust on Propeller?

Flow Velocity given Thrust on Propeller calculator uses Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet to calculate the Flow Velocity, The Flow Velocity given Thrust on Propeller is defined as velocity of discharge of fluid on jet. Flow Velocity is denoted by V_f symbol.

How to calculate Flow Velocity given Thrust on Propeller using this online calculator? To use this online calculator for Flow Velocity given Thrust on Propeller, enter Thrust Force (Ft), Water Density (ρ_Water), Rate of Flow (q_flow) & Absolute Velocity of Issuing Jet (V) and hit the calculate button. Here is how the Flow Velocity given Thrust on Propeller calculation can be explained with given input values -> 7.979167 = -(500/(1000*24))+6.

FAQ

What is Flow Velocity given Thrust on Propeller?

The Flow Velocity given Thrust on Propeller is defined as velocity of discharge of fluid on jet and is represented as V_f = -(Ft/(ρ_Water*q_flow))+V or Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet. Thrust Force acting perpendicular to the job piece, Water Density is mass per unit of water, Rate of Flow is the rate at which a liquid or other substance flows through a particular channel, pipe, etc & Absolute Velocity of Issuing Jet is actual velocity of jet used in propeller.

How to calculate Flow Velocity given Thrust on Propeller?

The Flow Velocity given Thrust on Propeller is defined as velocity of discharge of fluid on jet is calculated using Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet. To calculate Flow Velocity given Thrust on Propeller, you need Thrust Force (Ft), Water Density (ρ_Water), Rate of Flow (q_flow) & Absolute Velocity of Issuing Jet (V). With our tool, you need to enter the respective value for Thrust Force, Water Density, Rate of Flow & Absolute Velocity of Issuing Jet and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Flow Velocity?

In this formula, Flow Velocity uses Thrust Force, Water Density, Rate of Flow & Absolute Velocity of Issuing Jet. We can use 3 other way(s) to calculate the same, which is/are as follows -

Flow Velocity = (8*Rate of Flow/(pi*Diameter of Turbine^2))-Absolute Velocity of Issuing Jet
Flow Velocity = Absolute Velocity of Issuing Jet-sqrt((Power Loss/(Density of Fluid*Rate of Flow*0.5)))
Flow Velocity = Absolute Velocity of Issuing Jet/(2/Efficiency of Jet-1)

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