Dynamic Viscosity around Wall Calculator

✖Static viscosity, is the viscosity of continuous flow, viscosity measures the ratio of the viscous force to the inertial force on the fluid.ⓘ Static Viscosity [μe]			+10% -10%
✖Wall Temperature is the temperature at the wall.ⓘ Wall Temperature [Tw]			+10% -10%
✖The Static Temperature is defined as the temperature of the gas if it had no ordered motion and was not flowing.ⓘ Static Temperature [T_static]			+10% -10%
✖Constant n is the constant used for viscosity and temperature relation.ⓘ Constant n [n]			+10% -10%

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

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Formula

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Dynamic Viscosity around Wall

Formula

`"μ"_{"viscosity"} = "μe"*("Tw"/"T"_{"static"})^("n")`

Example

`"11.16478P"="11.2P"*("15K"/"350K")^("0.001")`

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Dynamic Viscosity around Wall Solution

STEP 0: Pre-Calculation Summary

Formula Used

Dynamic Viscosity = Static Viscosity*(Wall Temperature/Static Temperature)^(Constant n)
μ_viscosity = μe*(Tw/T_static)^(n)
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.
Static Viscosity - (Measured in Pascal Second) - Static viscosity, is the viscosity of continuous flow, viscosity measures the ratio of the viscous force to the inertial force on the fluid.
Wall Temperature - (Measured in Kelvin) - Wall Temperature is the temperature at the wall.
Static Temperature - (Measured in Kelvin) - The Static Temperature is defined as the temperature of the gas if it had no ordered motion and was not flowing.
Constant n - Constant n is the constant used for viscosity and temperature relation.

STEP 1: Convert Input(s) to Base Unit

Static Viscosity: 11.2 Poise --> 1.12 Pascal Second (Check conversion here)
Wall Temperature: 15 Kelvin --> 15 Kelvin No Conversion Required
Static Temperature: 350 Kelvin --> 350 Kelvin No Conversion Required
Constant n: 0.001 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

μ_viscosity = μe*(Tw/T_static)^(n) --> 1.12*(15/350)^(0.001)

Evaluating ... ...

μ_viscosity = 1.11647768145009

STEP 3: Convert Result to Output's Unit

1.11647768145009 Pascal Second -->11.1647768145009 Poise (Check conversion here)

FINAL ANSWER

11.1647768145009 ≈ 11.16478 Poise <-- Dynamic Viscosity

(Calculation completed in 00.004 seconds)

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Home » Engineering » Mechanical » Fluid Mechanics » Hypersonic Flow » Boundary Layer Equations for Hypersonic Flow » Hypersonic Flow Parameters » Dynamic Viscosity around Wall

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Created by Sanjay Krishna

Amrita School of Engineering (ASE), Vallikavu

Sanjay Krishna has created this Calculator and 300+ more calculators!

Verified by Maiarutselvan V

PSG College of Technology (PSGCT), Coimbatore

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< 7 Hypersonic Flow Parameters Calculators

Static Velocity Equation using Skin Friction Coefficient

Go Static Velocity = sqrt((2*Shear Stress)/(Local Skin-Friction Coefficient*Static Density))

Static Viscosity Relation using Temperature of Wall

Go Static Viscosity = Dynamic Viscosity/(Wall Temperature/Static Temperature)^(Constant n)

Dynamic Viscosity around Wall

Go Dynamic Viscosity = Static Viscosity*(Wall Temperature/Static Temperature)^(Constant n)

Static Density Equation using Skin Friction Coefficient

Go Static Density = (2*Shear Stress)/(Local Skin-Friction Coefficient*Static Velocity^2)

Local Skin-Friction Coefficient

Go Local Skin-Friction Coefficient = (2*Shear Stress)/(Static Density*Static Velocity^2)

Local Shear Stress at Wall

Go Shear Stress = 0.5*Local Skin-Friction Coefficient*Static Density*Static Viscosity^2

Skin Friction Coefficient for Incompressible Flow

Go Skin friction coefficient = 0.664/sqrt(Reynolds Number)

Dynamic Viscosity around Wall Formula

Dynamic Viscosity = Static Viscosity*(Wall Temperature/Static Temperature)^(Constant n)
μ_viscosity = μe*(Tw/T_static)^(n)

What is viscosity?

Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid.

How to Calculate Dynamic Viscosity around Wall?

Dynamic Viscosity around Wall calculator uses Dynamic Viscosity = Static Viscosity*(Wall Temperature/Static Temperature)^(Constant n) to calculate the Dynamic Viscosity, Dynamic Viscosity around Wall is defined as the interrelation between static viscosity, wall temperature, and static temperature. Dynamic Viscosity is denoted by μ_viscosity symbol.

How to calculate Dynamic Viscosity around Wall using this online calculator? To use this online calculator for Dynamic Viscosity around Wall, enter Static Viscosity (μe), Wall Temperature (Tw), Static Temperature (T_static) & Constant n (n) and hit the calculate button. Here is how the Dynamic Viscosity around Wall calculation can be explained with given input values -> 111.6478 = 1.12*(15/350)^(0.001).

FAQ

What is Dynamic Viscosity around Wall?

Dynamic Viscosity around Wall is defined as the interrelation between static viscosity, wall temperature, and static temperature and is represented as μ_viscosity = μe*(Tw/T_static)^(n) or Dynamic Viscosity = Static Viscosity*(Wall Temperature/Static Temperature)^(Constant n). Static viscosity, is the viscosity of continuous flow, viscosity measures the ratio of the viscous force to the inertial force on the fluid, Wall Temperature is the temperature at the wall, The Static Temperature is defined as the temperature of the gas if it had no ordered motion and was not flowing & Constant n is the constant used for viscosity and temperature relation.

How to calculate Dynamic Viscosity around Wall?

Dynamic Viscosity around Wall is defined as the interrelation between static viscosity, wall temperature, and static temperature is calculated using Dynamic Viscosity = Static Viscosity*(Wall Temperature/Static Temperature)^(Constant n). To calculate Dynamic Viscosity around Wall, you need Static Viscosity (μe), Wall Temperature (Tw), Static Temperature (T_static) & Constant n (n). With our tool, you need to enter the respective value for Static Viscosity, Wall Temperature, Static Temperature & Constant n 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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