Coefficient of Roughness of Pipe given Mean Velocity of Flow Solution

STEP 0: Pre-Calculation Summary
Formula Used
Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.85*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54))
C = vavg/(0.85*((R)^(0.63))*(S)^(0.54))
This formula uses 4 Variables
Variables Used
Coefficient of roughness of pipe - Coefficient of roughness of pipe is a constant term.
Average Velocity in Pipe Fluid Flow - (Measured in Meter per Second) - Average velocity in pipe fluid flow is the total volumetric flow rate divided by the cross-sectional area of the pipe.
Pipe Radius - (Measured in Meter) - The Pipe Radius is the radius of the pipe through which the fluid is flowing.
Hydraulic Gradient - Hydraulic gradient is a specific measurement of liquid pressure above a vertical datum.
STEP 1: Convert Input(s) to Base Unit
Average Velocity in Pipe Fluid Flow: 4.57 Meter per Second --> 4.57 Meter per Second No Conversion Required
Pipe Radius: 200 Millimeter --> 0.2 Meter (Check conversion here)
Hydraulic Gradient: 0.25 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
C = vavg/(0.85*((R)^(0.63))*(S)^(0.54)) --> 4.57/(0.85*((0.2)^(0.63))*(0.25)^(0.54))
Evaluating ... ...
C = 31.330027234492
STEP 3: Convert Result to Output's Unit
31.330027234492 --> No Conversion Required
FINAL ANSWER
31.330027234492 31.33003 <-- Coefficient of roughness of pipe
(Calculation completed in 00.004 seconds)

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18 Hazen Williams Formula Calculators

Radius of Pipe by Hazen Williams Formula given Length of Pipe
Go Pipe Radius = ((6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/(((2 )^(1.165))*Head Loss *Coefficient of roughness of pipe^(1.85)))^(1/1.165)
Velocity of Flow by Hazen Williams Formula given Radius of Pipe
Go 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)
Velocity of Flow given Head Loss by Hazen Williams Formula
Go 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)
Coefficient Dependent on Pipe given Head Loss
Go Coefficient of roughness of pipe = ((6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/((Diameter of Pipe^(1.165))*Head Loss))^(1/1.85)
Length of Pipe by Hazen Williams Formula given Radius of Pipe
Go Length of Pipe = Head Loss/((6.78*Average Velocity in Pipe Fluid Flow^(1.85))/(((2*Pipe Radius )^(1.165))*Coefficient of roughness of pipe^(1.85)))
Coefficient Dependent on Pipe given Radius of Pipe
Go Coefficient of roughness of pipe = ((6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/(((2*Pipe Radius)^(1.165))*Head Loss))^(1/1.85)
Diameter of Pipe given Head Loss by Hazen Williams Formula
Go Diameter of Pipe = ((6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/(Head Loss*Coefficient of roughness of pipe^(1.85)))^(1/1.165)
Length of Pipe given Head Loss by Hazen Williams Formula
Go Length of Pipe = Head Loss/((6.78*Average Velocity in Pipe Fluid Flow^(1.85))/((Diameter of Pipe^(1.165))*Coefficient of roughness of pipe^(1.85)))
Head Loss by Hazen Williams Formula given Radius of Pipe
Go Head Loss = (6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/(((2*Pipe Radius )^(1.165))*Coefficient of roughness of pipe^(1.85))
Head Loss by Hazen Williams Formula
Go Head Loss = (6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/((Diameter of Pipe^(1.165))*Coefficient of roughness of pipe^(1.85))
Hydraulic Gradient given Diameter of Pipe
Go Hydraulic Gradient = (Average Velocity in Pipe Fluid Flow/(0.355*Coefficient of roughness of pipe*((Diameter of Pipe )^(0.63))))^(1/0.54)
Coefficient of Roughness of Pipe given Diameter of Pipe
Go Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.355*((Diameter of Pipe)^(0.63))*(Hydraulic Gradient)^(0.54))
Diameter of Pipe given Hydraulic Gradient
Go Diameter of Pipe = (Average Velocity in Pipe Fluid Flow/(0.355*Coefficient of roughness of pipe*(Hydraulic Gradient)^(0.54)))^(1/0.63)
Mean Velocity of Flow in Pipe given Diameter of Pipe
Go Average Velocity in Pipe Fluid Flow = 0.355*Coefficient of roughness of pipe*((Diameter of Pipe)^(0.63))*(Hydraulic Gradient)^(0.54)
Hydraulic Gradient given Mean Velocity of Flow
Go Hydraulic Gradient = (Average Velocity in Pipe Fluid Flow/(0.85*Coefficient of roughness of pipe*((Pipe Radius)^(0.63))))^(1/0.54)
Coefficient of Roughness of Pipe given Mean Velocity of Flow
Go Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.85*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54))
Hydraulic Radius given Mean Velocity of Flow
Go Pipe Radius = (Average Velocity in Pipe Fluid Flow/(0.85*Coefficient of roughness of pipe*(Hydraulic Gradient)^(0.54)))^(1/0.63)
Mean Velocity of Flow in Pipe by Hazen Williams Formula
Go Average Velocity in Pipe Fluid Flow = 0.85*Coefficient of roughness of pipe*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54)

Coefficient of Roughness of Pipe given Mean Velocity of Flow Formula

Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.85*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54))
C = vavg/(0.85*((R)^(0.63))*(S)^(0.54))

What is Roughness Coefficient ?

Roughness coefficient is based on the material of the pipe. For PVC pipe, the standard C value is 150. New steel pipe uses a C value of 140, but with use and corrosion a lower value is typically used. For HDPE pipe, a range of C values between 150 and 160 is typical.

How to Calculate Coefficient of Roughness of Pipe given Mean Velocity of Flow?

Coefficient of Roughness of Pipe given Mean Velocity of Flow calculator uses Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.85*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54)) to calculate the Coefficient of roughness of pipe, Coefficient of Roughness of Pipe given Mean Velocity of Flow calculates value of coefficient of roughness when we have prior information of other parameters used. Coefficient of roughness of pipe is denoted by C symbol.

How to calculate Coefficient of Roughness of Pipe given Mean Velocity of Flow using this online calculator? To use this online calculator for Coefficient of Roughness of Pipe given Mean Velocity of Flow, enter Average Velocity in Pipe Fluid Flow (vavg), Pipe Radius (R) & Hydraulic Gradient (S) and hit the calculate button. Here is how the Coefficient of Roughness of Pipe given Mean Velocity of Flow calculation can be explained with given input values -> 31.33003 = 4.57/(0.85*((0.2)^(0.63))*(0.25)^(0.54)).

FAQ

What is Coefficient of Roughness of Pipe given Mean Velocity of Flow?
Coefficient of Roughness of Pipe given Mean Velocity of Flow calculates value of coefficient of roughness when we have prior information of other parameters used and is represented as C = vavg/(0.85*((R)^(0.63))*(S)^(0.54)) or Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.85*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54)). Average velocity in pipe fluid flow is the total volumetric flow rate divided by the cross-sectional area of the pipe, The Pipe Radius is the radius of the pipe through which the fluid is flowing & Hydraulic gradient is a specific measurement of liquid pressure above a vertical datum.
How to calculate Coefficient of Roughness of Pipe given Mean Velocity of Flow?
Coefficient of Roughness of Pipe given Mean Velocity of Flow calculates value of coefficient of roughness when we have prior information of other parameters used is calculated using Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.85*((Pipe Radius)^(0.63))*(Hydraulic Gradient)^(0.54)). To calculate Coefficient of Roughness of Pipe given Mean Velocity of Flow, you need Average Velocity in Pipe Fluid Flow (vavg), Pipe Radius (R) & Hydraulic Gradient (S). With our tool, you need to enter the respective value for Average Velocity in Pipe Fluid Flow, Pipe Radius & Hydraulic Gradient 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 Coefficient of roughness of pipe?
In this formula, Coefficient of roughness of pipe uses Average Velocity in Pipe Fluid Flow, Pipe Radius & Hydraulic Gradient. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Coefficient of roughness of pipe = Average Velocity in Pipe Fluid Flow/(0.355*((Diameter of Pipe)^(0.63))*(Hydraulic Gradient)^(0.54))
  • Coefficient of roughness of pipe = ((6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/((Diameter of Pipe^(1.165))*Head Loss))^(1/1.85)
  • Coefficient of roughness of pipe = ((6.78*Length of Pipe*Average Velocity in Pipe Fluid Flow^(1.85))/(((2*Pipe Radius)^(1.165))*Head Loss))^(1/1.85)
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