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Potential Head Drop Formula

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The Head Loss due to Friction refers to the reduction in pressure (or head) that occurs as fluid flows through a pipe or hydraulic system. Check FAQs

h L = \frac{3 \cdot μ \cdot V mean \cdot L}{γ f \cdot {d section}^{2}}

h_L - Head Loss due to Friction?μ - Dynamic Viscosity?V_mean - Mean Velocity?L - Length of Pipe?γ_f - Specific Weight of Liquid?d_section - Diameter of Section?

Potential Head Drop Example

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Here is how the Potential Head Drop equation looks like with Values.

Here is how the Potential Head Drop equation looks like with Units.

Here is how the Potential Head Drop equation looks like.

1.8716 = \frac{3 \cdot 10.2 \cdot 10 \cdot 15}{9.81 \cdot 5^{2}}

1.8716m = \frac{3 \cdot 10.2P \cdot 10m/s \cdot 15m}{9.81kN/m³ \cdot {5m}^{2}}

1.8716 = \frac{3 \cdot 10.2 \cdot 10 \cdot 15}{9.81 \cdot 5^{2}}

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Potential Head Drop Solution

Follow our step by step solution on how to calculate Potential Head Drop?

FIRST Step Consider the formula

h L = \frac{3 \cdot μ \cdot V mean \cdot L}{γ f \cdot {d section}^{2}}

Next Step Substitute values of Variables

∴

h L = \frac{3 \cdot 10.2P \cdot 10m/s \cdot 15m}{9.81kN/m³ \cdot {5m}^{2}}

Next Step Convert Units

∴

h L = \frac{3 \cdot 1.02Pa*s \cdot 10m/s \cdot 15m}{9.81kN/m³ \cdot {5m}^{2}}

Next Step Prepare to Evaluate

∴

h L = \frac{3 \cdot 1.02 \cdot 10 \cdot 15}{9.81 \cdot 5^{2}}

Next Step Evaluate

∴

h L = 1.87155963302752m

LAST Step Rounding Answer

∴

h L = 1.8716m

Potential Head Drop Formula Elements

Variables

Head Loss due to Friction

The Head Loss due to Friction refers to the reduction in pressure (or head) that occurs as fluid flows through a pipe or hydraulic system.

Symbol: h_L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Head Loss due to Friction

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.

Formulas to find Dynamic Viscosity

Mean Velocity

The Mean Velocity refers to the average rate at which an object or fluid moves over a given time interval.

Symbol: V_mean

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Mean Velocity

Length of Pipe

The Length of Pipe refers to the measurement of the pipe from one end to the other.

Symbol: L

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Length of Pipe

Specific Weight of Liquid

The Specific Weight of Liquid refers to the weight per unit volume of that substance.

Symbol: γ_f

Measurement: Specific WeightUnit: kN/m³

Note: Value should be greater than 0.

Formulas to find Specific Weight of Liquid

Diameter of Section

The Diameter of Section refers to the length of the segment that passes through the center of the circle and touches two points on the edge of the circle.

Symbol: d_section

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter of Section

Other formulas in Laminar Flow of Fluid in an Open Channel category

Go Mean Velocity of Flow in Section

V mean = \frac{γ f \cdot dh|dx \cdot (d section \cdot R - R^{2})}{μ}

Go Slope of Channel given Mean Velocity of Flow

S = \frac{μ \cdot V mean}{(d section \cdot R - \frac{R^{2}}{2}) \cdot γ f}

Go Diameter of Section given Mean Velocity of Flow

d section = \frac{(R^{2} + (μ \cdot V mean \cdot \frac{S}{γ f}))}{R}

Go Dynamic Viscosity given Mean Velocity of Flow in Section

μ = \frac{γ f \cdot dh|dx \cdot (d section \cdot R - R^{2})}{V mean}

How to Evaluate Potential Head Drop?

Potential Head Drop evaluator uses Head Loss due to Friction = (3*Dynamic Viscosity*Mean Velocity*Length of Pipe)/(Specific Weight of Liquid*Diameter of Section^2) to evaluate the Head Loss due to Friction, The Potential Head Drop is defined as the loss of head due to differential pressure loss and viscous flow in the channel. Head Loss due to Friction is denoted by h_L symbol.

How to evaluate Potential Head Drop using this online evaluator? To use this online evaluator for Potential Head Drop, enter Dynamic Viscosity (μ), Mean Velocity (V_mean), Length of Pipe (L), Specific Weight of Liquid (γ_f) & Diameter of Section (d_section) and hit the calculate button.

FAQs on Potential Head Drop

What is the formula to find Potential Head Drop?

The formula of Potential Head Drop is expressed as Head Loss due to Friction = (3*Dynamic Viscosity*Mean Velocity*Length of Pipe)/(Specific Weight of Liquid*Diameter of Section^2). Here is an example- 1.87156 = (3*1.02*10*15)/(9810*5^2).

How to calculate Potential Head Drop?

With Dynamic Viscosity (μ), Mean Velocity (V_mean), Length of Pipe (L), Specific Weight of Liquid (γ_f) & Diameter of Section (d_section) we can find Potential Head Drop using the formula - Head Loss due to Friction = (3*Dynamic Viscosity*Mean Velocity*Length of Pipe)/(Specific Weight of Liquid*Diameter of Section^2).

Can the Potential Head Drop be negative?

No, the Potential Head Drop, measured in Length cannot be negative.

Which unit is used to measure Potential Head Drop?

Potential Head Drop is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Potential Head Drop can be measured.

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Potential Head Drop Formula

Potential Head Drop Example

Potential Head Drop Solution

Potential Head Drop Formula Elements

Other formulas in Laminar Flow of Fluid in an Open Channel category

How to Evaluate Potential Head Drop?

FAQs on Potential Head Drop

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