Velocity Gradient Calculator

✖Change in Velocity is the difference between the velocities of the adjacent fluid layers.ⓘ Change in Velocity [dv]			+10% -10%
✖Change in Distance is the difference between consecutive points between adjacent fluid layers.ⓘ Change in Distance [dy]			+10% -10%

✖Velocity Gradient is difference in velocity between adjacent layers of the fluid.ⓘ Velocity Gradient [dvdy]

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Formula

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Velocity Gradient

Formula

`"dvdy" = "dv"/"dy"`

Example

`"10.1cycle/s"="10.1m/s"/"1000mm"`

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Velocity Gradient Solution

STEP 0: Pre-Calculation Summary

Formula Used

Velocity Gradient = Change in Velocity/Change in Distance
dvdy = dv/dy
This formula uses 3 Variables

Variables Used

Velocity Gradient - (Measured in Hertz) - Velocity Gradient is difference in velocity between adjacent layers of the fluid.
Change in Velocity - (Measured in Meter per Second) - Change in Velocity is the difference between the velocities of the adjacent fluid layers.
Change in Distance - (Measured in Meter) - Change in Distance is the difference between consecutive points between adjacent fluid layers.

STEP 1: Convert Input(s) to Base Unit

Change in Velocity: 10.1 Meter per Second --> 10.1 Meter per Second No Conversion Required
Change in Distance: 1000 Millimeter --> 1 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

dvdy = dv/dy --> 10.1/1

Evaluating ... ...

dvdy = 10.1

STEP 3: Convert Result to Output's Unit

10.1 Hertz -->10.1 Cycle per Second (Check conversion here)

FINAL ANSWER

10.1 Cycle per Second <-- Velocity Gradient

(Calculation completed in 00.020 seconds)

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Created by Alithea Fernandes

Don Bosco College of Engineering (DBCE), Goa

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National Institute of Technology Karnataka (NITK), Surathkal

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< 25 Properties of Fluid Calculators

Capillary Rise or Depression when Tube is inserted in two Liquids

Go Capillary Rise (or Depression) = (2*Surface Tension*cos(Contact Angle))/(Radius of Tube*Specific Weight of Water in KN per cubic meter*(Specific Gravity of Liquid 1-Specific Gravity of Liquid 2)*1000)

Capillary Rise or Depression when two Vertical Parallel Plates are Partially Immersed in Liquid

Go Capillary Rise (or Depression) = (2*Surface Tension*(cos(Contact Angle)))/(Specific Weight of Water in KN per cubic meter*Specific Gravity of Fluid*Distance between Vertical Plates)

Capillary Rise or Depression of Fluid

Go Capillary Rise (or Depression) = (2*Surface Tension*cos(Contact Angle))/(Specific Gravity of Fluid*Radius of Tube*Specific Weight of Water in KN per cubic meter*1000)

Capillary Rise when Contact is between Water and Glass

Go Capillary Rise (or Depression) = (2*Surface Tension)/(Radius of Tube*Specific Weight of Water in KN per cubic meter*1000)

Absolute Pressure using Equation of State given Specific Weight

Go Absolute Pressure by Specific Weight = Gas Constant*Specific Weight of Liquid in Piezometer*Absolute Temperature of Gas

Gas Constant using Equation of State

Go Gas Constant = Absolute Pressure by Gas Density/(Density of Gas*Absolute Temperature of Gas)

Absolute Temperature of Gas

Go Absolute Temperature of Gas = Absolute Pressure by Gas Density/(Gas Constant*Density of Gas)

Absolute Pressure using Gas Density

Go Absolute Pressure by Gas Density = Absolute Temperature of Gas*Density of Gas*Gas Constant

Bulk Modulus of Elasticity

Go Bulk Modulus of Elasticity = (Change in Pressure/(Change in Volume/Fluid Volume))

Velocity of Fluid given Shear Stress

Go Fluid Velocity = (Distance between Fluid Layers*Shear Stress)/Dynamic Viscosity

Compressibility of Fluid

Go Compressibility of Fluid = ((Change in Volume/Fluid Volume)/Change in Pressure)

Specific Gravity of Fluid

Go Specific Gravity of Fluid = Specific Weight of Liquid in Piezometer/Specific Weight of Standard Fluid

Mass Density given Specific Weight

Go Mass Density of Fluid = Specific Weight of Liquid in Piezometer/Acceleration due to Gravity

Volume of Fluid given Specific Weight

Go Volume = Weight of Liquid/Specific Weight of Liquid in Piezometer

Pressure Intensity inside Soap Bubble

Go Internal Pressure Intensity = (4*Surface Tension)/Radius of Tube

Pressure Intensity inside Droplet

Go Internal Pressure Intensity = (2*Surface Tension)/Radius of Tube

Dynamic Viscosity using Kinematic Viscosity

Go Dynamic Viscosity = Mass Density of Fluid*Kinematic Viscosity

Mass Density given Viscosity

Go Mass Density of Fluid = Dynamic Viscosity/Kinematic Viscosity

Pressure Intensity inside Liquid Jet

Go Internal Pressure Intensity = Surface Tension/Radius of Tube

Velocity Gradient

Go Velocity Gradient = Change in Velocity/Change in Distance

Shear Stress between any two thin sheets of Fluid

Go Shear Stress = Velocity Gradient*Dynamic Viscosity

Velocity Gradient given Shear Stress

Go Velocity Gradient = Shear Stress/Dynamic Viscosity

Dynamic Viscosity given Shear Stress

Go Dynamic Viscosity = Shear Stress/Velocity Gradient

Compressibility of Fluid given Bulk Modulus of Elasticity

Go Compressibility of Fluid = 1/Bulk Modulus of Elasticity

Specific Volume of Fluid

Go Specific Volume = 1/Mass Density of Fluid

Velocity Gradient Formula

Velocity Gradient = Change in Velocity/Change in Distance
dvdy = dv/dy

What is Velocity Gradient?

The difference in velocity between adjacent layers of the fluid is known as a velocity gradient and is given by v/x, where v is the velocity difference and x is the distance between the layers.

How to Calculate Velocity Gradient?

Velocity Gradient calculator uses Velocity Gradient = Change in Velocity/Change in Distance to calculate the Velocity Gradient, The Velocity Gradient formula is defined as a ratio between change in velocity between adjacent layers and change in distance between consecutive points between adjacent layers. Velocity Gradient is denoted by dvdy symbol.

How to calculate Velocity Gradient using this online calculator? To use this online calculator for Velocity Gradient, enter Change in Velocity (dv) & Change in Distance (dy) and hit the calculate button. Here is how the Velocity Gradient calculation can be explained with given input values -> 10.1 = 10.1/1.

FAQ

What is Velocity Gradient?

The Velocity Gradient formula is defined as a ratio between change in velocity between adjacent layers and change in distance between consecutive points between adjacent layers and is represented as dvdy = dv/dy or Velocity Gradient = Change in Velocity/Change in Distance. Change in Velocity is the difference between the velocities of the adjacent fluid layers & Change in Distance is the difference between consecutive points between adjacent fluid layers.

How to calculate Velocity Gradient?

The Velocity Gradient formula is defined as a ratio between change in velocity between adjacent layers and change in distance between consecutive points between adjacent layers is calculated using Velocity Gradient = Change in Velocity/Change in Distance. To calculate Velocity Gradient, you need Change in Velocity (dv) & Change in Distance (dy). With our tool, you need to enter the respective value for Change in Velocity & Change in Distance 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 Velocity Gradient?

In this formula, Velocity Gradient uses Change in Velocity & Change in Distance. We can use 1 other way(s) to calculate the same, which is/are as follows -

Velocity Gradient = Shear Stress/Dynamic Viscosity

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