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Leakage Velocity Formula

GoVelocity given Leakage Formula

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Velocity is a vector quantity (it has both magnitude and direction) and is the rate of change of the position of an object with respect to time. Check FAQs

v = \frac{Δp \cdot {r s}^{2}}{8 \cdot d l \cdot μ}

v - Velocity?Δp - Pressure Change?r_s - Radius of Seal?d_l - Incremental Length in Direction of Velocity?μ - Absolute Viscosity of Oil in Seals?

Leakage Velocity Example

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With units

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Here is how the Leakage Velocity equation looks like with Values.

Here is how the Leakage Velocity equation looks like with Units.

Here is how the Leakage Velocity equation looks like.

119.6581 = \frac{0.0001 \cdot 10^{2}}{8 \cdot 1.5 \cdot 7.8}

119.6581m/s = \frac{0.0001MPa \cdot {10mm}^{2}}{8 \cdot 1.5mm \cdot 7.8cP}

119.6581 = \frac{0.0001 \cdot 10^{2}}{8 \cdot 1.5 \cdot 7.8}

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Leakage Velocity Solution

Follow our step by step solution on how to calculate Leakage Velocity?

FIRST Step Consider the formula

v = \frac{Δp \cdot {r s}^{2}}{8 \cdot d l \cdot μ}

Next Step Substitute values of Variables

∴

v = \frac{0.0001MPa \cdot {10mm}^{2}}{8 \cdot 1.5mm \cdot 7.8cP}

Next Step Convert Units

∴

v = \frac{112Pa \cdot {0.01m}^{2}}{8 \cdot 0.0015m \cdot 0.0078Pa*s}

Next Step Prepare to Evaluate

∴

v = \frac{112 \cdot {0.01}^{2}}{8 \cdot 0.0015 \cdot 0.0078}

Next Step Evaluate

∴

v = 119.65811965812m/s

LAST Step Rounding Answer

∴

v = 119.6581m/s

Leakage Velocity Formula Elements

Variables

Velocity

Velocity is a vector quantity (it has both magnitude and direction) and is the rate of change of the position of an object with respect to time.

Symbol: v

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Velocity

Pressure Change

Pressure Change is defined as the difference between final pressure and initial pressure. In differential form, it is represented as dP.

Symbol: Δp

Measurement: PressureUnit: MPa

Note: Value should be greater than 0.

Formulas to find Pressure Change

Radius of Seal

Radius of Seal is a radial line from the focus to any point of a curve.

Symbol: r_s

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Radius of Seal

Incremental Length in Direction of Velocity

Incremental Length in Direction of Velocity is defined as a length increase in velocity direction.

Symbol: d_l

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Incremental Length in Direction of Velocity

Absolute Viscosity of Oil in Seals

The Absolute Viscosity of Oil in Seals represents the ratio of a fluid's shear stress to its velocity gradient. It is a fluid's internal flow resistance.

Symbol: μ

Measurement: Dynamic ViscosityUnit: cP

Note: Value should be greater than 0.

Formulas to find Absolute Viscosity of Oil in Seals

Other Formulas to find Velocity

Go Velocity given Leakage

v = \frac{Q o}{A}

Other formulas in Straight Cut Sealings category

Go Loss of Liquid Head

h μ = \frac{64 \cdot μ \cdot v}{2 \cdot [g] \cdot ρ l \cdot {d 1}^{2}}

Go Absolute Viscosity given Loss of Liquid Head

μ = \frac{2 \cdot [g] \cdot ρ l \cdot h μ \cdot {d 1}^{2}}{64 \cdot v}

Go Outer Diameter of Seal Ring given Loss of Liquid Head

d 1 = \sqrt{\frac{64 \cdot μ \cdot v}{2 \cdot [g] \cdot ρ l \cdot h μ}}

Go Density of Liquid given Loss of Liquid Head

ρ l = \frac{64 \cdot μ \cdot v}{2 \cdot [g] \cdot h μ \cdot {d 1}^{2}}

How to Evaluate Leakage Velocity?

Leakage Velocity evaluator uses Velocity = (Pressure Change*Radius of Seal^2)/(8*Incremental Length in Direction of Velocity*Absolute Viscosity of Oil in Seals) to evaluate the Velocity, The Leakage Velocity formula is defined as the leakage mass flow rate and the velocity distribution for a centered position. Velocity is denoted by v symbol.

How to evaluate Leakage Velocity using this online evaluator? To use this online evaluator for Leakage Velocity, enter Pressure Change (Δp), Radius of Seal (r_s), Incremental Length in Direction of Velocity (d_l) & Absolute Viscosity of Oil in Seals (μ) and hit the calculate button.

FAQs on Leakage Velocity

What is the formula to find Leakage Velocity?

The formula of Leakage Velocity is expressed as Velocity = (Pressure Change*Radius of Seal^2)/(8*Incremental Length in Direction of Velocity*Absolute Viscosity of Oil in Seals). Here is an example- 119.6581 = (112*0.01^2)/(8*0.0015*0.0078).

How to calculate Leakage Velocity?

With Pressure Change (Δp), Radius of Seal (r_s), Incremental Length in Direction of Velocity (d_l) & Absolute Viscosity of Oil in Seals (μ) we can find Leakage Velocity using the formula - Velocity = (Pressure Change*Radius of Seal^2)/(8*Incremental Length in Direction of Velocity*Absolute Viscosity of Oil in Seals).

What are the other ways to Calculate Velocity?

Here are the different ways to Calculate Velocity-

Velocity=Discharge Through Orifice/Area

Can the Leakage Velocity be negative?

Yes, the Leakage Velocity, measured in Speed can be negative.

Which unit is used to measure Leakage Velocity?

Leakage Velocity is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Leakage Velocity can be measured.

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Leakage Velocity Formula

​GoVelocity given Leakage Formula

Leakage Velocity Example

Leakage Velocity Solution

Leakage Velocity Formula Elements

Other Formulas to find Velocity

Other formulas in Straight Cut Sealings category

How to Evaluate Leakage Velocity?

FAQs on Leakage Velocity

Variable Name

GoVelocity given Leakage Formula