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The Piezometric Gradient refers to the measure of the change in hydraulic head (or piezometric head) per unit distance in a given direction within a fluid system. Check FAQs
dh/dx=VG(γfμ)(0.5dradial)
dh/dx - Piezometric Gradient?VG - Velocity Gradient?γf - Specific Weight of Liquid?μ - Dynamic Viscosity?dradial - Radial Distance?

Piezometric Gradient given Velocity Gradient with Shear Stress Example

With values
With units
Only example

Here is how the Piezometric Gradient given Velocity Gradient with Shear Stress equation looks like with Values.

Here is how the Piezometric Gradient given Velocity Gradient with Shear Stress equation looks like with Units.

Here is how the Piezometric Gradient given Velocity Gradient with Shear Stress equation looks like.

0.0017Edit=76.6Edit(9.81Edit10.2Edit)(0.59.2Edit)
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Piezometric Gradient given Velocity Gradient with Shear Stress Solution

Follow our step by step solution on how to calculate Piezometric Gradient given Velocity Gradient with Shear Stress?

FIRST Step Consider the formula
dh/dx=VG(γfμ)(0.5dradial)
Next Step Substitute values of Variables
dh/dx=76.6m/s(9.81kN/m³10.2P)(0.59.2m)
Next Step Convert Units
dh/dx=76.6m/s(9810N/m³1.02Pa*s)(0.59.2m)
Next Step Prepare to Evaluate
dh/dx=76.6(98101.02)(0.59.2)
Next Step Evaluate
dh/dx=0.00173141869432256
LAST Step Rounding Answer
dh/dx=0.0017

Piezometric Gradient given Velocity Gradient with Shear Stress Formula Elements

Variables
Piezometric Gradient
The Piezometric Gradient refers to the measure of the change in hydraulic head (or piezometric head) per unit distance in a given direction within a fluid system.
Symbol: dh/dx
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Velocity Gradient
The Velocity Gradient refers to the difference in velocity between the adjacent layers of the fluid.
Symbol: VG
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Specific Weight of Liquid
The Specific Weight of Liquid refers to the weight per unit volume of that substance.
Symbol: γf
Measurement: Specific WeightUnit: kN/m³
Note: Value should be greater than 0.
Dynamic Viscosity
The Dynamic Viscosity refers to the internal resistance of a fluid to flow when a force is applied.
Symbol: μ
Measurement: Dynamic ViscosityUnit: P
Note: Value should be greater than 0.
Radial Distance
The Radial Distance refers to the distance from a central point, such as the center of a well or pipe, to a point within the fluid system.
Symbol: dradial
Measurement: LengthUnit: m
Note: Value can be positive or negative.

Other Formulas to find Piezometric Gradient

​Go Piezometric Gradient given Shear Stress
dh/dx=2𝜏γfdradial
​Go Piezometric Gradient given Flow Velocity of Stream
dh/dx=v(γf4μ)(Rinclined2-dradial2)

Other formulas in Laminar Flow Through Inclined Pipes category

​Go Shear Stresses
𝜏=γfdh/dxdradial2
​Go Radius of Elemental Section of Pipe given Shear Stress
dradial=2𝜏γfdh/dx
​Go Specific Weight of Fluid given Shear Stress
γf=2𝜏dradialdh/dx
​Go Velocity Gradient given Piezometric Gradient with Shear Stress
VG=(γfμ)dh/dx0.5dradial

How to Evaluate Piezometric Gradient given Velocity Gradient with Shear Stress?

Piezometric Gradient given Velocity Gradient with Shear Stress evaluator uses Piezometric Gradient = Velocity Gradient/((Specific Weight of Liquid/Dynamic Viscosity)*(0.5*Radial Distance)) to evaluate the Piezometric Gradient, The Piezometric Gradient given Velocity Gradient with Shear Stress formula is defined as change in pressure with respect to horizontal distance along pipe. Piezometric Gradient is denoted by dh/dx symbol.

How to evaluate Piezometric Gradient given Velocity Gradient with Shear Stress using this online evaluator? To use this online evaluator for Piezometric Gradient given Velocity Gradient with Shear Stress, enter Velocity Gradient (VG), Specific Weight of Liquid f), Dynamic Viscosity (μ) & Radial Distance (dradial) and hit the calculate button.

FAQs on Piezometric Gradient given Velocity Gradient with Shear Stress

What is the formula to find Piezometric Gradient given Velocity Gradient with Shear Stress?
The formula of Piezometric Gradient given Velocity Gradient with Shear Stress is expressed as Piezometric Gradient = Velocity Gradient/((Specific Weight of Liquid/Dynamic Viscosity)*(0.5*Radial Distance)). Here is an example- 0.001731 = 76.6/((9810/1.02)*(0.5*9.2)).
How to calculate Piezometric Gradient given Velocity Gradient with Shear Stress?
With Velocity Gradient (VG), Specific Weight of Liquid f), Dynamic Viscosity (μ) & Radial Distance (dradial) we can find Piezometric Gradient given Velocity Gradient with Shear Stress using the formula - Piezometric Gradient = Velocity Gradient/((Specific Weight of Liquid/Dynamic Viscosity)*(0.5*Radial Distance)).
What are the other ways to Calculate Piezometric Gradient?
Here are the different ways to Calculate Piezometric Gradient-
  • Piezometric Gradient=(2*Shear Stress)/(Specific Weight of Liquid*Radial Distance)OpenImg
  • Piezometric Gradient=Velocity of Liquid/(((Specific Weight of Liquid)/(4*Dynamic Viscosity))*(Inclined Pipes Radius^2-Radial Distance^2))OpenImg
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