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Frictional Loss given Energy Slope Formula

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Frictional Loss is the loss of pressure or “head” that occurs in pipe or duct flow due to the effect of the fluid's viscosity near the surface of the pipe or duct. Check FAQs

h f = S f \cdot L

h_f - Frictional Loss?S_f - Energy Slope?L - Reach?

Frictional Loss given Energy Slope Example

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Here is how the Frictional Loss given Energy Slope equation looks like with Values.

Here is how the Frictional Loss given Energy Slope equation looks like with Units.

Here is how the Frictional Loss given Energy Slope equation looks like.

14 = 0.14 \cdot 100

14 = 0.14 \cdot 100m

14 = 0.14 \cdot 100

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Frictional Loss given Energy Slope Solution

Follow our step by step solution on how to calculate Frictional Loss given Energy Slope?

FIRST Step Consider the formula

h f = S f \cdot L

Next Step Substitute values of Variables

∴

h f = 0.14 \cdot 100m

Next Step Prepare to Evaluate

∴

h f = 0.14 \cdot 100

LAST Step Evaluate

∴

h f = 14

Frictional Loss given Energy Slope Formula Elements

Variables

Frictional Loss

Frictional Loss is the loss of pressure or “head” that occurs in pipe or duct flow due to the effect of the fluid's viscosity near the surface of the pipe or duct.

Symbol: h_f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Frictional Loss

Energy Slope

Energy Slope is at a distance equal to the velocity head above the hydraulic gradient.

Symbol: S_f

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Energy Slope

Reach

Reach in practical use is any length of a stream or river. The term is often used when referring to a small section of a stream or river rather than its entire length.

Symbol: L

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Reach

Other formulas in Uniform Flow category

Go Length of Reach by Manning's Formula for Uniform Flow

L = \frac{h f}{S f}

Go Energy Slope for Uniform Flow

S f = \frac{Q^{2}}{K^{2}}

Go Conveyance of Channel given Energy Slope

K = \sqrt{\frac{Q^{2}}{S f}}

Go Discharge for Uniform Flow given Energy Slope

Q = K \cdot \sqrt{S f}

How to Evaluate Frictional Loss given Energy Slope?

Frictional Loss given Energy Slope evaluator uses Frictional Loss = Energy Slope*Reach to evaluate the Frictional Loss, The Frictional Loss given Energy Slope formula is defined as the loss of pressure or “head” that occurs in pipe or duct flow due to the effect of the fluid's viscosity near the surface of the pipe or duct. Frictional Loss is denoted by h_f symbol.

How to evaluate Frictional Loss given Energy Slope using this online evaluator? To use this online evaluator for Frictional Loss given Energy Slope, enter Energy Slope (S_f) & Reach (L) and hit the calculate button.

FAQs on Frictional Loss given Energy Slope

What is the formula to find Frictional Loss given Energy Slope?

The formula of Frictional Loss given Energy Slope is expressed as Frictional Loss = Energy Slope*Reach. Here is an example- 14 = 0.14*100.

How to calculate Frictional Loss given Energy Slope?

With Energy Slope (S_f) & Reach (L) we can find Frictional Loss given Energy Slope using the formula - Frictional Loss = Energy Slope*Reach.

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