FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Formula

GoThickness of Oil Film for Shear Force in Journal Bearing Formula

GoThickness of Oil Film for Torque required in Foot-Step Bearing Formula

Fx Copy

LaTeX Copy

Thickness of Oil Film refers to the distance or dimension between the surfaces that are separated by a layer of oil. Check FAQs

t = \frac{μ \cdot π \cdot D s \cdot N}{𝜏}

t - Thickness of Oil Film?μ - Viscosity of Fluid?D_s - Shaft Diameter?N - Mean Speed in RPM?𝜏 - Shear Stress?π - Archimedes' constant?

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Example

With values

With units

Only example

Here is how the Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing equation looks like with Values.

Here is how the Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing equation looks like with Units.

Here is how the Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing equation looks like.

0.9153 = \frac{8.23 \cdot 3.1416 \cdot 14.9008 \cdot 1.0691}{7.5}

0.9153m = \frac{8.23N*s/m² \cdot 3.1416 \cdot 14.9008m \cdot 1.0691rev/min}{7.5N/m²}

0.9153 = \frac{8.23 \cdot 3.1416 \cdot 14.9008 \cdot 1.0691}{7.5}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Physics » Category

Mechanical » Category

Fluid Mechanics » fx Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Solution

Follow our step by step solution on how to calculate Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing?

FIRST Step Consider the formula

t = \frac{μ \cdot π \cdot D s \cdot N}{𝜏}

Next Step Substitute values of Variables

∴

t = \frac{8.23N*s/m² \cdot π \cdot 14.9008m \cdot 1.0691rev/min}{7.5N/m²}

Next Step Substitute values of Constants

∴

t = \frac{8.23N*s/m² \cdot 3.1416 \cdot 14.9008m \cdot 1.0691rev/min}{7.5N/m²}

Next Step Convert Units

∴

t = \frac{8.23Pa*s \cdot 3.1416 \cdot 14.9008m \cdot 0.0178Hz}{7.5Pa}

Next Step Prepare to Evaluate

∴

t = \frac{8.23 \cdot 3.1416 \cdot 14.9008 \cdot 0.0178}{7.5}

Next Step Evaluate

∴

t = 0.915281695040307m

LAST Step Rounding Answer

∴

t = 0.9153m

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Formula Elements

Variables

Constants

Thickness of Oil Film

Thickness of Oil Film refers to the distance or dimension between the surfaces that are separated by a layer of oil.

Symbol: t

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Thickness of Oil Film

Viscosity of Fluid

The Viscosity of fluid is a measure of its resistance to deformation at a given rate.

Symbol: μ

Measurement: Dynamic ViscosityUnit: N*s/m²

Note: Value can be positive or negative.

Formulas to find Viscosity of Fluid

Shaft Diameter

Shaft Diameter is the diameter of the shaft of the pile.

Symbol: D_s

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Shaft Diameter

Mean Speed in RPM

Mean Speed in RPM is an average of individual vehicle speeds.

Symbol: N

Measurement: FrequencyUnit: rev/min

Note: Value should be greater than 0.

Formulas to find Mean Speed in RPM

Shear Stress

Shear Stress is a type of stress that acts coplanar with a cross-section of material.

Symbol: 𝜏

Measurement: PressureUnit: N/m²

Note: Value can be positive or negative.

Formulas to find Shear Stress

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other Formulas to find Thickness of Oil Film

Go Thickness of Oil Film for Shear Force in Journal Bearing

t = \frac{μ \cdot π^{2} \cdot {D s}^{2} \cdot N \cdot L}{F s}

Go Thickness of Oil Film for Torque required in Foot-Step Bearing

t = \frac{μ \cdot π^{2} \cdot N \cdot {(\frac{D s}{2})}^{4}}{τ}

Other formulas in Dimensions and Geometry category

Go Diameter of Pipe from Maximum Velocity and Velocity at Any Radius

d o = \frac{2 \cdot r}{\sqrt{1 - \frac{V}{V m}}}

Go Length for Difference of Pressure in Viscous Flow between Two Parallel Plates

L = \frac{Δp \cdot t^{2}}{12 \cdot μ \cdot V}

Go Length for Pressure Head Loss in Viscous Flow between Two Parallel Plates

L = \frac{ρ \cdot [g] \cdot h f \cdot t^{2}}{12 \cdot μ \cdot V}

Go Diameter of Shaft for Torque Required in Foot-Step Bearing

D s = 2 \cdot {(\frac{τ \cdot t}{π^{2} \cdot μ \cdot N})}^{\frac{1}{4}}

How to Evaluate Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing?

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing evaluator uses Thickness of Oil Film = (Viscosity of Fluid*pi*Shaft Diameter*Mean Speed in RPM)/(Shear Stress) to evaluate the Thickness of Oil Film, Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing, which relates to the speed and diameter of the shaft, can be estimated using empirical formulas that consider factors such as the viscosity of the oil, the rotational speed of the shaft, and the dimensions of the bearing. This calculation ensures that the oil film thickness is adequate to provide lubrication and minimize friction between the shaft and the bearing surfaces, thereby maintaining efficient operation of the journal bearing. Thickness of Oil Film is denoted by t symbol.

How to evaluate Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing using this online evaluator? To use this online evaluator for Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing, enter Viscosity of Fluid (μ), Shaft Diameter (D_s), Mean Speed in RPM (N) & Shear Stress (𝜏) and hit the calculate button.

FAQs on Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing

What is the formula to find Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing?

The formula of Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing is expressed as Thickness of Oil Film = (Viscosity of Fluid*pi*Shaft Diameter*Mean Speed in RPM)/(Shear Stress). Here is an example- 4.623171 = (8.23*pi*14.90078*0.0178179333333333)/(7.5).

How to calculate Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing?

With Viscosity of Fluid (μ), Shaft Diameter (D_s), Mean Speed in RPM (N) & Shear Stress (𝜏) we can find Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing using the formula - Thickness of Oil Film = (Viscosity of Fluid*pi*Shaft Diameter*Mean Speed in RPM)/(Shear Stress). This formula also uses Archimedes' constant .

What are the other ways to Calculate Thickness of Oil Film?

Here are the different ways to Calculate Thickness of Oil Film-

Thickness of Oil Film=(Viscosity of Fluid*pi^2*Shaft Diameter^2*Mean Speed in RPM*Length of Pipe)/(Shear Force)
Thickness of Oil Film=(Viscosity of Fluid*pi^2*Mean Speed in RPM*(Shaft Diameter/2)^4)/Torque Exerted on Wheel

Can the Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing be negative?

No, the Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing, measured in Length cannot be negative.

Which unit is used to measure Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing?

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Formula

​GoThickness of Oil Film for Shear Force in Journal Bearing Formula

​GoThickness of Oil Film for Torque required in Foot-Step Bearing Formula

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Example

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Solution

Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing Formula Elements

Other Formulas to find Thickness of Oil Film

Other formulas in Dimensions and Geometry category

How to Evaluate Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing?

FAQs on Thickness of Oil Film for Speed and Diameter of Shaft in Journal Bearing

Variable Name

GoThickness of Oil Film for Shear Force in Journal Bearing Formula

GoThickness of Oil Film for Torque required in Foot-Step Bearing Formula