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Average Velocity in Pipe Fluid Flow is the total volumetric flow rate divided by the cross-sectional area of the pipe. Check FAQs
vavg=(hf6.78Lp((2R)1.165)C1.85)11.85
vavg - Average Velocity in Pipe Fluid Flow?hf - Head Loss?Lp - Length of Pipe?R - Pipe Radius?C - Coefficient of Roughness of Pipe?

Velocity of Flow by Hazen Williams Formula given Radius of Pipe Example

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With units
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Here is how the Velocity of Flow by Hazen Williams Formula given Radius of Pipe equation looks like with Values.

Here is how the Velocity of Flow by Hazen Williams Formula given Radius of Pipe equation looks like with Units.

Here is how the Velocity of Flow by Hazen Williams Formula given Radius of Pipe equation looks like.

4.2048Edit=(1.2Edit6.782.5Edit((2200Edit)1.165)31.33Edit1.85)11.85
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Velocity of Flow by Hazen Williams Formula given Radius of Pipe Solution

Follow our step by step solution on how to calculate Velocity of Flow by Hazen Williams Formula given Radius of Pipe?

FIRST Step Consider the formula
vavg=(hf6.78Lp((2R)1.165)C1.85)11.85
Next Step Substitute values of Variables
vavg=(1.2m6.782.5m((2200mm)1.165)31.331.85)11.85
Next Step Convert Units
vavg=(1.2m6.782.5m((20.2m)1.165)31.331.85)11.85
Next Step Prepare to Evaluate
vavg=(1.26.782.5((20.2)1.165)31.331.85)11.85
Next Step Evaluate
vavg=4.20484855836018m/s
LAST Step Rounding Answer
vavg=4.2048m/s

Velocity of Flow by Hazen Williams Formula given Radius of Pipe Formula Elements

Variables
Average Velocity in Pipe Fluid Flow
Average Velocity in Pipe Fluid Flow is the total volumetric flow rate divided by the cross-sectional area of the pipe.
Symbol: vavg
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Head Loss
Head Loss is a measure of the reduction in the total head (sum of elevation head, velocity head and pressure head) of the fluid as it moves through a fluid system.
Symbol: hf
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Length of Pipe
Length of Pipe describes the length of the pipe in which the liquid is flowing.
Symbol: Lp
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Pipe Radius
The Pipe Radius is the radius of the pipe through which the fluid is flowing.
Symbol: R
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Coefficient of Roughness of Pipe
Coefficient of Roughness of Pipe is a dimensionless parameter used in environmental engineering, particularly in fluid mechanics and hydraulics.
Symbol: C
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other Formulas to find Average Velocity in Pipe Fluid Flow

​Go Mean Velocity of Flow in Pipe by Hazen Williams Formula
vavg=0.85C((R)0.63)(S)0.54
​Go Velocity of Flow given Head Loss by Hazen Williams Formula
vavg=(hf6.78Lp(Dp1.165)C1.85)11.85
​Go Mean Velocity of Flow in Pipe given Diameter of Pipe
vavg=0.355C((Dp)0.63)(S)0.54

Other formulas in Hazen Williams Formula category

​Go Head Loss by Hazen Williams Formula
HL'=6.78Lpvavg1.85(Dp1.165)C1.85
​Go Length of Pipe given Head Loss by Hazen Williams Formula
Lp=hf6.78vavg1.85(Dp1.165)C1.85
​Go Diameter of Pipe given Head Loss by Hazen Williams Formula
Dp=(6.78Lpvavg1.85hfC1.85)11.165
​Go Head Loss by Hazen Williams Formula given Radius of Pipe
HL'=6.78Lpvavg1.85((2R)1.165)C1.85

How to Evaluate Velocity of Flow by Hazen Williams Formula given Radius of Pipe?

Velocity of Flow by Hazen Williams Formula given Radius of Pipe evaluator uses Average Velocity in Pipe Fluid Flow = (Head Loss/((6.78*Length of Pipe)/(((2*Pipe Radius)^(1.165))*Coefficient of Roughness of Pipe^(1.85))))^(1/1.85) to evaluate the Average Velocity in Pipe Fluid Flow, Velocity of Flow by Hazen Williams Formula given Radius of Pipe is defined as the value of velocity of flow calculated using the formula proposed by Hazen Williams, when we have prior information of radius of pipe. Average Velocity in Pipe Fluid Flow is denoted by vavg symbol.

How to evaluate Velocity of Flow by Hazen Williams Formula given Radius of Pipe using this online evaluator? To use this online evaluator for Velocity of Flow by Hazen Williams Formula given Radius of Pipe, enter Head Loss (hf), Length of Pipe (Lp), Pipe Radius (R) & Coefficient of Roughness of Pipe (C) and hit the calculate button.

FAQs on Velocity of Flow by Hazen Williams Formula given Radius of Pipe

What is the formula to find Velocity of Flow by Hazen Williams Formula given Radius of Pipe?
The formula of Velocity of Flow by Hazen Williams Formula given Radius of Pipe is expressed as Average Velocity in Pipe Fluid Flow = (Head Loss/((6.78*Length of Pipe)/(((2*Pipe Radius)^(1.165))*Coefficient of Roughness of Pipe^(1.85))))^(1/1.85). Here is an example- 4.204849 = (1.2/((6.78*2.5)/(((2*0.2)^(1.165))*31.33^(1.85))))^(1/1.85).
How to calculate Velocity of Flow by Hazen Williams Formula given Radius of Pipe?
With Head Loss (hf), Length of Pipe (Lp), Pipe Radius (R) & Coefficient of Roughness of Pipe (C) we can find Velocity of Flow by Hazen Williams Formula given Radius of Pipe using the formula - Average Velocity in Pipe Fluid Flow = (Head Loss/((6.78*Length of Pipe)/(((2*Pipe Radius)^(1.165))*Coefficient of Roughness of Pipe^(1.85))))^(1/1.85).
What are the other ways to Calculate Average Velocity in Pipe Fluid Flow?
Here are the different ways to Calculate Average Velocity in Pipe Fluid Flow-
  • Average Velocity in Pipe Fluid Flow=0.85*Coefficient of Roughness of Pipe*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54)OpenImg
  • Average Velocity in Pipe Fluid Flow=(Head Loss/((6.78*Length of Pipe)/((Diameter of Pipe^(1.165))*Coefficient of Roughness of Pipe^(1.85))))^(1/1.85)OpenImg
  • Average Velocity in Pipe Fluid Flow=0.355*Coefficient of Roughness of Pipe*((Diameter of Pipe)^(0.63))*(Hydraulic Gradient)^(0.54)OpenImg
Can the Velocity of Flow by Hazen Williams Formula given Radius of Pipe be negative?
No, the Velocity of Flow by Hazen Williams Formula given Radius of Pipe, measured in Speed cannot be negative.
Which unit is used to measure Velocity of Flow by Hazen Williams Formula given Radius of Pipe?
Velocity of Flow by Hazen Williams Formula given Radius of Pipe 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 Velocity of Flow by Hazen Williams Formula given Radius of Pipe can be measured.
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