Fluid Film Thickness in Terms of Flow of Lubricant Calculator

✖The Length of Slot in Direction of Flow is the measurement of the slot's length that aligns with the flow direction in a sliding contact bearing design.ⓘ Length of Slot in Direction of Flow [l]			+10% -10%
✖The Dynamic Viscosity of Lubricant is a measure of a lubricant's resistance to flow, influencing the performance and efficiency of sliding contact bearings.ⓘ Dynamic Viscosity of Lubricant [μ_l]			+10% -10%
✖The Flow of Lubricant from Slot is the movement of lubricant through a slot in a sliding contact bearing, essential for reducing friction and wear.ⓘ Flow of Lubricant from Slot [Q_slot]			+10% -10%
✖The Breadth of Slot for Oil Flow is the width of the slot designed to facilitate the flow of oil in sliding contact bearings, enhancing lubrication efficiency.ⓘ Breadth of Slot for Oil Flow [b]			+10% -10%
✖The Pressure Difference between Slot Sides is the variation in pressure across the sides of a slot, influencing the performance and stability of sliding contact bearings.ⓘ Pressure Difference between Slot Sides [ΔP]			+10% -10%

✖Oil film thickness is defined as the thickness of the oil film between the two parts in relative motion.ⓘ Fluid Film Thickness in Terms of Flow of Lubricant [h]

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Fluid Film Thickness in Terms of Flow of Lubricant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Oil Film thickness = (Length of Slot in Direction of Flow*12*Dynamic Viscosity of Lubricant*Flow of Lubricant from Slot/(Breadth of Slot for Oil Flow*Pressure Difference between Slot Sides))^(1/3)
h = (l*12*μ_l*Q_slot/(b*ΔP))^(1/3)
This formula uses 6 Variables

Variables Used

Oil Film thickness - (Measured in Meter) - Oil film thickness is defined as the thickness of the oil film between the two parts in relative motion.
Length of Slot in Direction of Flow - (Measured in Meter) - The Length of Slot in Direction of Flow is the measurement of the slot's length that aligns with the flow direction in a sliding contact bearing design.
Dynamic Viscosity of Lubricant - (Measured in Pascal Second) - The Dynamic Viscosity of Lubricant is a measure of a lubricant's resistance to flow, influencing the performance and efficiency of sliding contact bearings.
Flow of Lubricant from Slot - (Measured in Cubic Meter per Second) - The Flow of Lubricant from Slot is the movement of lubricant through a slot in a sliding contact bearing, essential for reducing friction and wear.
Breadth of Slot for Oil Flow - (Measured in Meter) - The Breadth of Slot for Oil Flow is the width of the slot designed to facilitate the flow of oil in sliding contact bearings, enhancing lubrication efficiency.
Pressure Difference between Slot Sides - (Measured in Pascal) - The Pressure Difference between Slot Sides is the variation in pressure across the sides of a slot, influencing the performance and stability of sliding contact bearings.

STEP 1: Convert Input(s) to Base Unit

Length of Slot in Direction of Flow: 48 Millimeter --> 0.048 Meter (Check conversion here)
Dynamic Viscosity of Lubricant: 220 Centipoise --> 0.22 Pascal Second (Check conversion here)
Flow of Lubricant from Slot: 15 Cubic Millimeter per Second --> 1.5E-08 Cubic Meter per Second (Check conversion here)
Breadth of Slot for Oil Flow: 49 Millimeter --> 0.049 Meter (Check conversion here)
Pressure Difference between Slot Sides: 5.1 Megapascal --> 5100000 Pascal (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

h = (l*12*μ_l*Q_slot/(b*ΔP))^(1/3) --> (0.048*12*0.22*1.5E-08/(0.049*5100000))^(1/3)

Evaluating ... ...

h = 1.96663330218532E-05

STEP 3: Convert Result to Output's Unit

1.96663330218532E-05 Meter -->0.0196663330218532 Millimeter (Check conversion here)

FINAL ANSWER

0.0196663330218532 ≈ 0.019666 Millimeter <-- Oil Film thickness

(Calculation completed in 00.004 seconds)

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Created by Vaibhav Malani

National Institute of Technology (NIT), Tiruchirapalli

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National Institute Of Technology (NIT), Hamirpur

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< Film Thickness Calculators

Film Thickness in Terms of Absolute Viscosity and Tangential Force

LaTeX Go Oil Film thickness = Dynamic Viscosity of Oil*Area of Moving Plate on Oil*Velocity of Moving Plate on Oil/Tangential Force on Moving Plate

Eccentricity of Bearing in Terms of Minimum Film Thickness

LaTeX Go Eccentricity in Bearing = Radius of Bearing-(Minimum Film Thickness+Radius of Journal)

Minimum Film Thickness given Radius of Bearing

LaTeX Go Minimum Film Thickness = Radius of Bearing-(Eccentricity in Bearing+Radius of Journal)

Minimum Film Thickness Variable of Bearing

LaTeX Go Minimum Film Thickness Variable = Minimum Film Thickness/Radial clearance for bearing

Fluid Film Thickness in Terms of Flow of Lubricant Formula

LaTeX Go

What is Sliding Contact Bearing?

The sliding contact bearings in which the sliding action is along the circumference of a circle or an arc of a circle and carrying radial loads are known as journal or sleeve bearings.

How to Calculate Fluid Film Thickness in Terms of Flow of Lubricant?

Fluid Film Thickness in Terms of Flow of Lubricant calculator uses Oil Film thickness = (Length of Slot in Direction of Flow*12*Dynamic Viscosity of Lubricant*Flow of Lubricant from Slot/(Breadth of Slot for Oil Flow*Pressure Difference between Slot Sides))^(1/3) to calculate the Oil Film thickness, Fluid Film Thickness in Terms of Flow of Lubricant formula is defined as a method to assess the thickness of the lubricant film in sliding contact bearings. This thickness is crucial for minimizing friction and wear, ensuring efficient operation and longevity of mechanical components. Oil Film thickness is denoted by h symbol.

How to calculate Fluid Film Thickness in Terms of Flow of Lubricant using this online calculator? To use this online calculator for Fluid Film Thickness in Terms of Flow of Lubricant, enter Length of Slot in Direction of Flow (l), Dynamic Viscosity of Lubricant (μ_l), Flow of Lubricant from Slot (Q_slot), Breadth of Slot for Oil Flow (b) & Pressure Difference between Slot Sides (ΔP) and hit the calculate button. Here is how the Fluid Film Thickness in Terms of Flow of Lubricant calculation can be explained with given input values -> 19.66633 = (0.048*12*0.22*1.5E-08/(0.049*5100000))^(1/3).

FAQ

What is Fluid Film Thickness in Terms of Flow of Lubricant?

Fluid Film Thickness in Terms of Flow of Lubricant formula is defined as a method to assess the thickness of the lubricant film in sliding contact bearings. This thickness is crucial for minimizing friction and wear, ensuring efficient operation and longevity of mechanical components and is represented as h = (l*12*μ_l*Q_slot/(b*ΔP))^(1/3) or Oil Film thickness = (Length of Slot in Direction of Flow*12*Dynamic Viscosity of Lubricant*Flow of Lubricant from Slot/(Breadth of Slot for Oil Flow*Pressure Difference between Slot Sides))^(1/3). The Length of Slot in Direction of Flow is the measurement of the slot's length that aligns with the flow direction in a sliding contact bearing design, The Dynamic Viscosity of Lubricant is a measure of a lubricant's resistance to flow, influencing the performance and efficiency of sliding contact bearings, The Flow of Lubricant from Slot is the movement of lubricant through a slot in a sliding contact bearing, essential for reducing friction and wear, The Breadth of Slot for Oil Flow is the width of the slot designed to facilitate the flow of oil in sliding contact bearings, enhancing lubrication efficiency & The Pressure Difference between Slot Sides is the variation in pressure across the sides of a slot, influencing the performance and stability of sliding contact bearings.

How to calculate Fluid Film Thickness in Terms of Flow of Lubricant?

Fluid Film Thickness in Terms of Flow of Lubricant formula is defined as a method to assess the thickness of the lubricant film in sliding contact bearings. This thickness is crucial for minimizing friction and wear, ensuring efficient operation and longevity of mechanical components is calculated using Oil Film thickness = (Length of Slot in Direction of Flow*12*Dynamic Viscosity of Lubricant*Flow of Lubricant from Slot/(Breadth of Slot for Oil Flow*Pressure Difference between Slot Sides))^(1/3). To calculate Fluid Film Thickness in Terms of Flow of Lubricant, you need Length of Slot in Direction of Flow (l), Dynamic Viscosity of Lubricant (μ_l), Flow of Lubricant from Slot (Q_slot), Breadth of Slot for Oil Flow (b) & Pressure Difference between Slot Sides (ΔP). With our tool, you need to enter the respective value for Length of Slot in Direction of Flow, Dynamic Viscosity of Lubricant, Flow of Lubricant from Slot, Breadth of Slot for Oil Flow & Pressure Difference between Slot Sides 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 Oil Film thickness?

In this formula, Oil Film thickness uses Length of Slot in Direction of Flow, Dynamic Viscosity of Lubricant, Flow of Lubricant from Slot, Breadth of Slot for Oil Flow & Pressure Difference between Slot Sides. We can use 2 other way(s) to calculate the same, which is/are as follows -

Oil Film thickness = Dynamic Viscosity of Oil*Area of Moving Plate on Oil*Velocity of Moving Plate on Oil/Tangential Force on Moving Plate
Oil Film thickness = (Flow of Lubricant*Total Projected Area of Bearing Pad*Dynamic Viscosity of Lubricant/(Load Acting on Sliding Bearing*Flow Coefficient))^(1/3)

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