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Viscosity of Lubricant in Terms of Flow of Lubricant Formula

GoViscosity in Terms of Kinematic Viscosity and Density for Sliding Contact Bearing Formula

GoViscosity of Lubricant in Terms of Sommerfeld Number of Bearing Formula

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The Dynamic Viscosity of Lubricant is the resistance to movement of one layer of fluid over another. Check FAQs

μ l = ΔP \cdot b \cdot \frac{h^{3}}{12 \cdot l \cdot Q slot}

μ_l - Dynamic Viscosity of Lubricant?ΔP - Pressure difference between slot sides?b - Breadth of slot for oil flow?h - Oil film thickness?l - Length of slot in direction of flow?Q_slot - Flow of lubricant from slot?

Viscosity of Lubricant in Terms of Flow of Lubricant Example

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Here is how the Viscosity of Lubricant in Terms of Flow of Lubricant equation looks like with Values.

Here is how the Viscosity of Lubricant in Terms of Flow of Lubricant equation looks like with Units.

Here is how the Viscosity of Lubricant in Terms of Flow of Lubricant equation looks like.

231.3889 = 5.1 \cdot 49 \cdot \frac{{0.02}^{3}}{12 \cdot 48 \cdot 15}

231.3889cP = 5.1MPa \cdot 49mm \cdot \frac{{0.02mm}^{3}}{12 \cdot 48mm \cdot 15mm³/s}

231.3889 = 5.1 \cdot 49 \cdot \frac{{0.02}^{3}}{12 \cdot 48 \cdot 15}

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Viscosity of Lubricant in Terms of Flow of Lubricant Solution

Follow our step by step solution on how to calculate Viscosity of Lubricant in Terms of Flow of Lubricant?

FIRST Step Consider the formula

μ l = ΔP \cdot b \cdot \frac{h^{3}}{12 \cdot l \cdot Q slot}

Next Step Substitute values of Variables

∴

μ l = 5.1MPa \cdot 49mm \cdot \frac{{0.02mm}^{3}}{12 \cdot 48mm \cdot 15mm³/s}

Next Step Convert Units

∴

μ l = 5.1E+6Pa \cdot 0.049m \cdot \frac{{2E-5m}^{3}}{12 \cdot 0.048m \cdot 1.5E-8m³/s}

Next Step Prepare to Evaluate

∴

μ l = 5.1E+6 \cdot 0.049 \cdot \frac{{2E-5}^{3}}{12 \cdot 0.048 \cdot 1.5E-8}

Next Step Evaluate

∴

μ l = 0.231388888888889Pa*s

Next Step Convert to Output's Unit

∴

μ l = 231.388888888889cP

LAST Step Rounding Answer

∴

μ l = 231.3889cP

Viscosity of Lubricant in Terms of Flow of Lubricant Formula Elements

Variables

Dynamic Viscosity of Lubricant

The Dynamic Viscosity of Lubricant is the resistance to movement of one layer of fluid over another.

Symbol: μ_l

Measurement: Dynamic ViscosityUnit: cP

Note: Value should be greater than 0.

Formulas to find Dynamic Viscosity of Lubricant

Pressure difference between slot sides

Pressure difference between slot sides is the difference in pressure intensities at two different sides of the slot.

Symbol: ΔP

Measurement: PressureUnit: MPa

Note: Value should be greater than 0.

Formulas to find Pressure difference between slot sides

Breadth of slot for oil flow

Breadth of slot for oil flow is defined as the length of the rectangular slot in a plane perpendicular to the direction of flow.

Symbol: b

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Breadth of slot for oil flow

Oil film thickness

Oil film thickness is defined as the thickness of the oil film between the two parts in relative motion.

Symbol: h

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Oil film thickness

Length of slot in direction of flow

Length of slot in direction of flow is the length of the rectangular slot through which viscous oil flows.

Symbol: l

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Length of slot in direction of flow

Flow of lubricant from slot

Flow of lubricant from slot can be defined as the amount of lubricant flowing per unit time between the slots.

Symbol: Q_slot

Measurement: Volumetric Flow RateUnit: mm³/s

Note: Value should be greater than 0.

Formulas to find Flow of lubricant from slot

Other Formulas to find Dynamic Viscosity of Lubricant

Go Viscosity in Terms of Kinematic Viscosity and Density for Sliding Contact Bearing

μ l = z \cdot ρ

Go Viscosity of Lubricant in Terms of Sommerfeld Number of Bearing

μ l = 2 \cdot π \cdot S \cdot \frac{p}{({(\frac{r}{c})}^{2}) \cdot n s}

Go Viscosity in Terms of Flow Coefficient and Flow of Lubricant

μ l = q f \cdot W \cdot \frac{h^{3}}{A p \cdot Q bp}

Other formulas in Viscosity and Density of Lubricant category

Go Absolute Viscosity of Oil in Terms of Tangential Force

μ o = P \cdot \frac{h}{A po \cdot V m}

Go Area of moving plate of sliding contact bearing given absolute viscosity

A po = P \cdot \frac{h}{μ o \cdot V m}

Go Velocity of Moving Plate in Terms of Absolute Viscosity

V m = P \cdot \frac{h}{μ o \cdot A po}

Go Kinematic Viscosity in Centi-Stokes in Terms of Viscosity in Saybolt's Unversal Seconds

z k = (0.22 \cdot t) - (\frac{180}{t})

How to Evaluate Viscosity of Lubricant in Terms of Flow of Lubricant?

Viscosity of Lubricant in Terms of Flow of Lubricant evaluator uses Dynamic Viscosity of Lubricant = Pressure difference between slot sides*Breadth of slot for oil flow*(Oil film thickness^3)/(12*Length of slot in direction of flow*Flow of lubricant from slot) to evaluate the Dynamic Viscosity of Lubricant, The Viscosity of Lubricant in Terms of Flow of Lubricant formula is defined as the ratio of the product of pressure difference, dimension b of the slot, and cube of fluid film thickness to the value of 12 times the product of the length of the slot and flow of lubricant. Dynamic Viscosity of Lubricant is denoted by μ_l symbol.

How to evaluate Viscosity of Lubricant in Terms of Flow of Lubricant using this online evaluator? To use this online evaluator for Viscosity of Lubricant in Terms of Flow of Lubricant, enter Pressure difference between slot sides (ΔP), Breadth of slot for oil flow (b), Oil film thickness (h), Length of slot in direction of flow (l) & Flow of lubricant from slot (Q_slot) and hit the calculate button.

FAQs on Viscosity of Lubricant in Terms of Flow of Lubricant

What is the formula to find Viscosity of Lubricant in Terms of Flow of Lubricant?

The formula of Viscosity of Lubricant in Terms of Flow of Lubricant is expressed as Dynamic Viscosity of Lubricant = Pressure difference between slot sides*Breadth of slot for oil flow*(Oil film thickness^3)/(12*Length of slot in direction of flow*Flow of lubricant from slot). Here is an example- 231388.9 = 5100000*0.049*(2E-05^3)/(12*0.048*1.5E-08).

How to calculate Viscosity of Lubricant in Terms of Flow of Lubricant?

With Pressure difference between slot sides (ΔP), Breadth of slot for oil flow (b), Oil film thickness (h), Length of slot in direction of flow (l) & Flow of lubricant from slot (Q_slot) we can find Viscosity of Lubricant in Terms of Flow of Lubricant using the formula - Dynamic Viscosity of Lubricant = Pressure difference between slot sides*Breadth of slot for oil flow*(Oil film thickness^3)/(12*Length of slot in direction of flow*Flow of lubricant from slot).

What are the other ways to Calculate Dynamic Viscosity of Lubricant?

Here are the different ways to Calculate Dynamic Viscosity of Lubricant-

Dynamic Viscosity of Lubricant=Kinematic viscosity of lubricant oil*Density of Lubricating Oil
Dynamic Viscosity of Lubricant=2*pi*Sommerfeld Number of Journal Bearing*Unit bearing pressure for bearing/(((Radius of Journal/Radial clearance for bearing)^2)*Journal Speed)
Dynamic Viscosity of Lubricant=Flow Coefficient*Load Acting on Sliding Bearing*(Oil film thickness^3)/(Total Projected Area of Bearing Pad*Flow of Lubricant across Bearing Pad)

Can the Viscosity of Lubricant in Terms of Flow of Lubricant be negative?

No, the Viscosity of Lubricant in Terms of Flow of Lubricant, measured in Dynamic Viscosity cannot be negative.

Which unit is used to measure Viscosity of Lubricant in Terms of Flow of Lubricant?

Viscosity of Lubricant in Terms of Flow of Lubricant is usually measured using the Centipoise[cP] for Dynamic Viscosity. Pascal Second[cP], Newton Second per Square Meter[cP], Millinewton Second per Square Meter[cP] are the few other units in which Viscosity of Lubricant in Terms of Flow of Lubricant can be measured.

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Viscosity of Lubricant in Terms of Flow of Lubricant Formula

​GoViscosity in Terms of Kinematic Viscosity and Density for Sliding Contact Bearing Formula

​GoViscosity of Lubricant in Terms of Sommerfeld Number of Bearing Formula

Viscosity of Lubricant in Terms of Flow of Lubricant Example

Viscosity of Lubricant in Terms of Flow of Lubricant Solution

Viscosity of Lubricant in Terms of Flow of Lubricant Formula Elements

Other Formulas to find Dynamic Viscosity of Lubricant

Other formulas in Viscosity and Density of Lubricant category

How to Evaluate Viscosity of Lubricant in Terms of Flow of Lubricant?

FAQs on Viscosity of Lubricant in Terms of Flow of Lubricant

Variable Name

GoViscosity in Terms of Kinematic Viscosity and Density for Sliding Contact Bearing Formula

GoViscosity of Lubricant in Terms of Sommerfeld Number of Bearing Formula