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Flow Velocity is the velocity of the flow of any fluid. Check FAQs
Vf=-(FtρWaterqflow)+V
Vf - Flow Velocity?Ft - Thrust Force?ρWater - Water Density?qflow - Rate of Flow?V - Absolute Velocity of Issuing Jet?

Flow Velocity given Thrust on Propeller Example

With values
With units
Only example

Here is how the Flow Velocity given Thrust on Propeller equation looks like with Values.

Here is how the Flow Velocity given Thrust on Propeller equation looks like with Units.

Here is how the Flow Velocity given Thrust on Propeller equation looks like.

5.9792Edit=-(0.5Edit1000Edit24Edit)+6Edit
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Flow Velocity given Thrust on Propeller Solution

Follow our step by step solution on how to calculate Flow Velocity given Thrust on Propeller?

FIRST Step Consider the formula
Vf=-(FtρWaterqflow)+V
Next Step Substitute values of Variables
Vf=-(0.5kN1000kg/m³24m³/s)+6m/s
Next Step Convert Units
Vf=-(500N1000kg/m³24m³/s)+6m/s
Next Step Prepare to Evaluate
Vf=-(500100024)+6
Next Step Evaluate
Vf=5.97916666666667m/s
LAST Step Rounding Answer
Vf=5.9792m/s

Flow Velocity given Thrust on Propeller Formula Elements

Variables
Flow Velocity
Flow Velocity is the velocity of the flow of any fluid.
Symbol: Vf
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.
Thrust Force
Thrust Force acting perpendicular to the job piece.
Symbol: Ft
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Water Density
Water Density is mass per unit of water.
Symbol: ρWater
Measurement: DensityUnit: kg/m³
Note: Value should be greater than 0.
Rate of Flow
Rate of Flow is the rate at which a liquid or other substance flows through a particular channel, pipe, etc.
Symbol: qflow
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Absolute Velocity of Issuing Jet
Absolute Velocity of Issuing Jet is actual velocity of jet used in propeller.
Symbol: V
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.

Other Formulas to find Flow Velocity

​Go Flow Velocity given Rate of Flow through Propeller
Vf=(8qflowπD2)-V
​Go Flow Velocity given Power Lost
Vf=V-(PlossρFluidqflow0.5)
​Go Flow Velocity given Theoretical Propulsive efficiency
Vf=V2η-1

Other formulas in Momentum Theory of Propellers category

​Go Thrust on Propeller
Ft=(π4)(D2)dP
​Go Diameter of Propeller given Thrust on Propeller
D=(4π)FtdP
​Go Rate of Flow through Propeller
Q=(π8)(D2)(V+Vf)
​Go Output Power given Rate of Flow through Propeller
Pout=ρWaterqflowVf(V-Vf)

How to Evaluate Flow Velocity given Thrust on Propeller?

Flow Velocity given Thrust on Propeller evaluator uses Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet to evaluate 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 Vf symbol.

How to evaluate Flow Velocity given Thrust on Propeller using this online evaluator? To use this online evaluator for Flow Velocity given Thrust on Propeller, enter Thrust Force (Ft), Water Density Water), Rate of Flow (qflow) & Absolute Velocity of Issuing Jet (V) and hit the calculate button.

FAQs on Flow Velocity given Thrust on Propeller

What is the formula to find Flow Velocity given Thrust on Propeller?
The formula of Flow Velocity given Thrust on Propeller is expressed as Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet. Here is an example- 7.979167 = -(500/(1000*24))+6.
How to calculate Flow Velocity given Thrust on Propeller?
With Thrust Force (Ft), Water Density Water), Rate of Flow (qflow) & Absolute Velocity of Issuing Jet (V) we can find Flow Velocity given Thrust on Propeller using the formula - Flow Velocity = -(Thrust Force/(Water Density*Rate of Flow))+Absolute Velocity of Issuing Jet.
What are the other ways to Calculate Flow Velocity?
Here are the different ways to Calculate Flow Velocity-
  • Flow Velocity=(8*Rate of Flow/(pi*Diameter of Turbine^2))-Absolute Velocity of Issuing JetOpenImg
  • Flow Velocity=Absolute Velocity of Issuing Jet-sqrt((Power Loss/(Density of Fluid*Rate of Flow*0.5)))OpenImg
  • Flow Velocity=Absolute Velocity of Issuing Jet/(2/Efficiency of Jet-1)OpenImg
Can the Flow Velocity given Thrust on Propeller be negative?
Yes, the Flow Velocity given Thrust on Propeller, measured in Speed can be negative.
Which unit is used to measure Flow Velocity given Thrust on Propeller?
Flow Velocity given Thrust on Propeller is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Flow Velocity given Thrust on Propeller can be measured.
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