Dynamic Viscosity given Friction Factor Calculator

✖Darcy Friction Factor is denoted by f. Its value depends on the flow's Reynolds number Re and on the pipe's relative roughness ε / D. It can be obtained from Moody's chart.ⓘ Darcy Friction Factor [f]			+10% -10%
✖Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T.ⓘ Mean Velocity [V_mean]			+10% -10%
✖Diameter of Pipe is the diameter of the pipe in which the liquid is flowing.ⓘ Diameter of Pipe [D_pipe]			+10% -10%
✖Density of Fluid is defined as the mass of fluid per unit volume of the said fluid.ⓘ Density of Fluid [ρ_Fluid]			+10% -10%

✖The Dynamic Viscosity of a fluid is the measure of its resistance to flow when an external force is applied.ⓘ Dynamic Viscosity given Friction Factor [μ_viscosity]

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Formula

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Dynamic Viscosity given Friction Factor

Formula

`"μ"_{"viscosity"} = ("f"*"V"_{"mean"}*"D"_{"pipe"}*"ρ"_{"Fluid"})/64`

Example

`"9.762676P"=("5"*"10.1m/s"*"1.01m"*"1.225kg/m³")/64`

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Dynamic Viscosity given Friction Factor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Dynamic Viscosity = (Darcy Friction Factor*Mean Velocity*Diameter of Pipe*Density of Fluid)/64
μ_viscosity = (f*V_mean*D_pipe*ρ_Fluid)/64
This formula uses 5 Variables

Variables Used

Dynamic Viscosity - (Measured in Pascal Second) - The Dynamic Viscosity of a fluid is the measure of its resistance to flow when an external force is applied.
Darcy Friction Factor - Darcy Friction Factor is denoted by f. Its value depends on the flow's Reynolds number Re and on the pipe's relative roughness ε / D. It can be obtained from Moody's chart.
Mean Velocity - (Measured in Meter per Second) - Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T.
Diameter of Pipe - (Measured in Meter) - Diameter of Pipe is the diameter of the pipe in which the liquid is flowing.
Density of Fluid - (Measured in Kilogram per Cubic Meter) - Density of Fluid is defined as the mass of fluid per unit volume of the said fluid.

STEP 1: Convert Input(s) to Base Unit

Darcy Friction Factor: 5 --> No Conversion Required
Mean Velocity: 10.1 Meter per Second --> 10.1 Meter per Second No Conversion Required
Diameter of Pipe: 1.01 Meter --> 1.01 Meter No Conversion Required
Density of Fluid: 1.225 Kilogram per Cubic Meter --> 1.225 Kilogram per Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

μ_viscosity = (f*V_mean*D_pipe*ρ_Fluid)/64 --> (5*10.1*1.01*1.225)/64

Evaluating ... ...

μ_viscosity = 0.976267578125

STEP 3: Convert Result to Output's Unit

0.976267578125 Pascal Second -->9.76267578125 Poise (Check conversion here)

FINAL ANSWER

9.76267578125 ≈ 9.762676 Poise <-- Dynamic Viscosity

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Hydraulics and Waterworks » Laminar Flow » Steady Laminar Flow in Circular Pipes – Hagen Poiseuille Law » Darcy – Weisbach Equation » Dynamic Viscosity given Friction Factor

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< 14 Darcy – Weisbach Equation Calculators

Diameter of Pipe given Head Loss due to Frictional Resistance

Go Diameter of Pipe = Darcy Friction Factor*Length of Pipe*(Mean Velocity^2)/(2*[g]*Head Loss due to Friction)

Length of Pipe given Head Loss due to Frictional Resistance

Go Length of Pipe = (Head Loss due to Friction*2*[g]*Diameter of Pipe)/(Darcy Friction Factor*Mean Velocity*2)

Head Loss due to Frictional Resistance

Go Head Loss due to Friction = Darcy Friction Factor*Length of Pipe*(Mean Velocity^2)/(2*[g]*Diameter of Pipe)

Diameter of Pipe given Friction Factor

Go Diameter of Pipe = (64*Dynamic Viscosity)/(Darcy Friction Factor*Mean Velocity*Density of Fluid)

Dynamic Viscosity given Friction Factor

Go Dynamic Viscosity = (Darcy Friction Factor*Mean Velocity*Diameter of Pipe*Density of Fluid)/64

Density of Fluid given Friction Factor

Go Density of Fluid = Dynamic Viscosity*64/(Darcy Friction Factor*Diameter of Pipe*Mean Velocity)

Density of Liquid given Shear Stress and Darcy Friction Factor

Go Density of Fluid = 8*Shear Stress/(Darcy Friction Factor*Mean Velocity*Mean Velocity)

Pressure Gradient given Total Required Power

Go Pressure Gradient = Power/(Length of Pipe*Cross Sectional Area of Pipe*Mean Velocity)

Area of Pipe given Total Required Power

Go Cross Sectional Area of Pipe = Power/(Length of Pipe*Pressure Gradient*Mean Velocity)

Shear Stress given Friction Factor and Density

Go Shear Stress = Density of Fluid*Darcy Friction Factor*Mean Velocity*Mean Velocity/8

Total Required Power

Go Power = Pressure Gradient*Cross Sectional Area of Pipe*Mean Velocity*Length of Pipe

Density of Liquid using Mean Velocity given Shear Stress with Friction Factor

Go Density of Fluid = 8*Shear Stress/(Darcy Friction Factor*(Mean Velocity^2))

Shear Velocity

Go Shear Velocity = Mean Velocity*sqrt(Darcy Friction Factor/8)

Reynolds Number given Friction Factor

Go Reynolds Number = 64/Darcy Friction Factor

Dynamic Viscosity given Friction Factor Formula

Dynamic Viscosity = (Darcy Friction Factor*Mean Velocity*Diameter of Pipe*Density of Fluid)/64
μ_viscosity = (f*V_mean*D_pipe*ρ_Fluid)/64

What is Dynamic Viscosity ?

Dynamic viscosity (also known as absolute viscosity) is the measurement of the fluid's internal resistance to flow while kinematic viscosity refers to the ratio of dynamic viscosity to density.

How to Calculate Dynamic Viscosity given Friction Factor?

Dynamic Viscosity given Friction Factor calculator uses Dynamic Viscosity = (Darcy Friction Factor*Mean Velocity*Diameter of Pipe*Density of Fluid)/64 to calculate the Dynamic Viscosity, The Dynamic Viscosity given Friction Factor is defined as resistance offered by the fluid on the relative motion. Dynamic Viscosity is denoted by μ_viscosity symbol.

How to calculate Dynamic Viscosity given Friction Factor using this online calculator? To use this online calculator for Dynamic Viscosity given Friction Factor, enter Darcy Friction Factor (f), Mean Velocity (V_mean), Diameter of Pipe (D_pipe) & Density of Fluid (ρ_Fluid) and hit the calculate button. Here is how the Dynamic Viscosity given Friction Factor calculation can be explained with given input values -> 97.62676 = (5*10.1*1.01*1.225)/64.

FAQ

What is Dynamic Viscosity given Friction Factor?

The Dynamic Viscosity given Friction Factor is defined as resistance offered by the fluid on the relative motion and is represented as μ_viscosity = (f*V_mean*D_pipe*ρ_Fluid)/64 or Dynamic Viscosity = (Darcy Friction Factor*Mean Velocity*Diameter of Pipe*Density of Fluid)/64. Darcy Friction Factor is denoted by f. Its value depends on the flow's Reynolds number Re and on the pipe's relative roughness ε / D. It can be obtained from Moody's chart, Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T, Diameter of Pipe is the diameter of the pipe in which the liquid is flowing & Density of Fluid is defined as the mass of fluid per unit volume of the said fluid.

How to calculate Dynamic Viscosity given Friction Factor?

The Dynamic Viscosity given Friction Factor is defined as resistance offered by the fluid on the relative motion is calculated using Dynamic Viscosity = (Darcy Friction Factor*Mean Velocity*Diameter of Pipe*Density of Fluid)/64. To calculate Dynamic Viscosity given Friction Factor, you need Darcy Friction Factor (f), Mean Velocity (V_mean), Diameter of Pipe (D_pipe) & Density of Fluid (ρ_Fluid). With our tool, you need to enter the respective value for Darcy Friction Factor, Mean Velocity, Diameter of Pipe & Density of Fluid and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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