Length of Pipe given Pressure Drop over Length of Pipe Solution

STEP 0: Pre-Calculation Summary
Formula Used
Length of Pipe = (Pressure Difference*Diameter of Pipe^2)/(32*Dynamic Viscosity*Mean Velocity)
Lp = (ΔP*Dpipe^2)/(32*μ*Vmean)
This formula uses 5 Variables
Variables Used
Length of Pipe - (Measured in Meter) - The Length of Pipe refers to total length from one end to another in which the liquid is flowing.
Pressure Difference - (Measured in Pascal) - The Pressure Difference refers to the variation in pressure between two points within a fluid or gas, a critical factor in driving fluid motion.
Diameter of Pipe - (Measured in Meter) - The Diameter of Pipe refers to the diameter of the pipe in which the liquid is flowing.
Dynamic Viscosity - (Measured in Pascal Second) - The Dynamic Viscosity refers to the internal resistance of a fluid to flow when a force is applied.
Mean Velocity - (Measured in Meter per Second) - The Mean Velocity refers to the average speed at which fluid flows through a given cross-sectional area of a pipe or channel.
STEP 1: Convert Input(s) to Base Unit
Pressure Difference: 90 Newton per Square Meter --> 90 Pascal (Check conversion ​here)
Diameter of Pipe: 1.01 Meter --> 1.01 Meter No Conversion Required
Dynamic Viscosity: 10.2 Poise --> 1.02 Pascal Second (Check conversion ​here)
Mean Velocity: 10.1 Meter per Second --> 10.1 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Lp = (ΔP*Dpipe^2)/(32*μ*Vmean) --> (90*1.01^2)/(32*1.02*10.1)
Evaluating ... ...
Lp = 0.278492647058824
STEP 3: Convert Result to Output's Unit
0.278492647058824 Meter --> No Conversion Required
FINAL ANSWER
0.278492647058824 0.278493 Meter <-- Length of Pipe
(Calculation completed in 00.004 seconds)

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National Institute of Technology Karnataka (NITK), Surathkal
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Indian Institute of Information Technology (IIIT), Bhopal
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Hagen Poiseuille Equation Calculators

Diameter of Pipe given Pressure Drop over Length of Pipe
​ LaTeX ​ Go Diameter of Pipe = sqrt((32*Dynamic Viscosity*Mean Velocity*Length of Pipe)/Pressure Difference)
Mean Velocity of Flow given Pressure Drop over Length of Pipe
​ LaTeX ​ Go Mean Velocity = Pressure Difference/(32*Dynamic Viscosity*Length of Pipe/(Diameter of Pipe^2))
Length of Pipe given Pressure Drop over Length of Pipe
​ LaTeX ​ Go Length of Pipe = (Pressure Difference*Diameter of Pipe^2)/(32*Dynamic Viscosity*Mean Velocity)
Pressure drop over length of pipe
​ LaTeX ​ Go Pressure Difference = (32*Dynamic Viscosity*Mean Velocity*Length of Pipe/(Diameter of Pipe^2))

Length of Pipe given Pressure Drop over Length of Pipe Formula

​LaTeX ​Go
Length of Pipe = (Pressure Difference*Diameter of Pipe^2)/(32*Dynamic Viscosity*Mean Velocity)
Lp = (ΔP*Dpipe^2)/(32*μ*Vmean)

What is Pressure Drop ?

Pressure drop is defined as the difference in total pressure between two points of a fluid carrying network. A pressure drop occurs when frictional forces, caused by the resistance to flow, act on a fluid as it flows through the tube.

How to Calculate Length of Pipe given Pressure Drop over Length of Pipe?

Length of Pipe given Pressure Drop over Length of Pipe calculator uses Length of Pipe = (Pressure Difference*Diameter of Pipe^2)/(32*Dynamic Viscosity*Mean Velocity) to calculate the Length of Pipe, The Length of Pipe given Pressure Drop over Length of Pipe is defined as total length of stream flow. Length of Pipe is denoted by Lp symbol.

How to calculate Length of Pipe given Pressure Drop over Length of Pipe using this online calculator? To use this online calculator for Length of Pipe given Pressure Drop over Length of Pipe, enter Pressure Difference (ΔP), Diameter of Pipe (Dpipe), Dynamic Viscosity (μ) & Mean Velocity (Vmean) and hit the calculate button. Here is how the Length of Pipe given Pressure Drop over Length of Pipe calculation can be explained with given input values -> 0.278493 = (90*1.01^2)/(32*1.02*10.1).

FAQ

What is Length of Pipe given Pressure Drop over Length of Pipe?
The Length of Pipe given Pressure Drop over Length of Pipe is defined as total length of stream flow and is represented as Lp = (ΔP*Dpipe^2)/(32*μ*Vmean) or Length of Pipe = (Pressure Difference*Diameter of Pipe^2)/(32*Dynamic Viscosity*Mean Velocity). The Pressure Difference refers to the variation in pressure between two points within a fluid or gas, a critical factor in driving fluid motion, The Diameter of Pipe refers to the diameter of the pipe in which the liquid is flowing, The Dynamic Viscosity refers to the internal resistance of a fluid to flow when a force is applied & The Mean Velocity refers to the average speed at which fluid flows through a given cross-sectional area of a pipe or channel.
How to calculate Length of Pipe given Pressure Drop over Length of Pipe?
The Length of Pipe given Pressure Drop over Length of Pipe is defined as total length of stream flow is calculated using Length of Pipe = (Pressure Difference*Diameter of Pipe^2)/(32*Dynamic Viscosity*Mean Velocity). To calculate Length of Pipe given Pressure Drop over Length of Pipe, you need Pressure Difference (ΔP), Diameter of Pipe (Dpipe), Dynamic Viscosity (μ) & Mean Velocity (Vmean). With our tool, you need to enter the respective value for Pressure Difference, Diameter of Pipe, Dynamic Viscosity & Mean Velocity 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 Length of Pipe?
In this formula, Length of Pipe uses Pressure Difference, Diameter of Pipe, Dynamic Viscosity & Mean Velocity. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Length of Pipe = (pi*Pressure Difference*Diameter of Pipe^4)/(128*Dynamic Viscosity*Discharge in Pipe)
  • Length of Pipe = Head Loss due to Friction/((32*Dynamic Viscosity*Mean Velocity)/(Specific Weight of Liquid*Diameter of Pipe^2))
  • Length of Pipe = Head Loss due to Friction/((128*Dynamic Viscosity*Discharge in Pipe)/(pi*Specific Weight of Liquid*Diameter of Pipe^4))
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