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Eddy Loss Formula

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Eddy Loss is the loss in fluid current whose flow direction differs from that of the general flow; the motion of the whole fluid is the net result of the movements of the eddies that compose it. Check FAQs

h e = (h 1 - h 2) + (\frac{{V 1}^{2}}{2 \cdot g} - \frac{{V 2}^{2}}{2 \cdot g}) - h f

h_e - Eddy Loss?h₁ - Height above Datum at Section 1?h₂ - Height above Datum at Section 2?V₁ - Mean Velocity at End Sections at (1)?g - Acceleration due to Gravity?V₂ - Mean Velocity at End Sections at (2)?h_f - Frictional Loss?

Eddy Loss Example

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Here is how the Eddy Loss equation looks like with Values.

Here is how the Eddy Loss equation looks like with Units.

Here is how the Eddy Loss equation looks like.

15.9694 = (50 - 20) + (\frac{10^{2}}{2 \cdot 9.8} - \frac{9^{2}}{2 \cdot 9.8}) - 15

15.9694 = (50m - 20m) + (\frac{{10m/s}^{2}}{2 \cdot 9.8m/s²} - \frac{{9m/s}^{2}}{2 \cdot 9.8m/s²}) - 15

15.9694 = (50 - 20) + (\frac{10^{2}}{2 \cdot 9.8} - \frac{9^{2}}{2 \cdot 9.8}) - 15

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Eddy Loss Solution

Follow our step by step solution on how to calculate Eddy Loss?

FIRST Step Consider the formula

h e = (h 1 - h 2) + (\frac{{V 1}^{2}}{2 \cdot g} - \frac{{V 2}^{2}}{2 \cdot g}) - h f

Next Step Substitute values of Variables

∴

h e = (50m - 20m) + (\frac{{10m/s}^{2}}{2 \cdot 9.8m/s²} - \frac{{9m/s}^{2}}{2 \cdot 9.8m/s²}) - 15

Next Step Prepare to Evaluate

∴

h e = (50 - 20) + (\frac{10^{2}}{2 \cdot 9.8} - \frac{9^{2}}{2 \cdot 9.8}) - 15

Next Step Evaluate

∴

h e = 15.969387755102

LAST Step Rounding Answer

∴

h e = 15.9694

Eddy Loss Formula Elements

Variables

Eddy Loss

Eddy Loss is the loss in fluid current whose flow direction differs from that of the general flow; the motion of the whole fluid is the net result of the movements of the eddies that compose it.

Symbol: h_e

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Eddy Loss

Height above Datum at Section 1

Height above Datum at Section 1, the datum is a fixed starting point of a scale or operation.

Symbol: h₁

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Height above Datum at Section 1

Height above Datum at Section 2

Height above Datum at Section 2, datum is a fixed starting point of a scale or operation.

Symbol: h₂

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Height above Datum at Section 2

Mean Velocity at End Sections at (1)

Mean Velocity at End Sections at (1) is denoted by V₁ symbol.

Symbol: V₁

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Mean Velocity at End Sections at (1)

Acceleration due to Gravity

Acceleration due to Gravity is acceleration gained by an object because of gravitational force.

Symbol: g

Measurement: AccelerationUnit: m/s²

Note: Value should be greater than 0.

Formulas to find Acceleration due to Gravity

Mean Velocity at End Sections at (2)

Mean Velocity at End Sections at (2) is the time average of the velocity of a fluid at a fixed point, over a somewhat arbitrary time interval counted from fixed time.

Symbol: V₂

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Mean Velocity at End Sections at (2)

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

Other formulas in Slope Area Method category

Go Head loss in Reach

h l = Z 1 + y 1 + (\frac{{V 1}^{2}}{2 \cdot g}) - Z 2 - y 2 - \frac{{V 2}^{2}}{2 \cdot g}

Go Frictional Loss

h f = (h 1 - h 2) + (\frac{{V 1}^{2}}{2 \cdot g} - \frac{{V 2}^{2}}{2 \cdot g}) - h e

How to Evaluate Eddy Loss?

Eddy Loss evaluator uses Eddy Loss = (Height above Datum at Section 1-Height above Datum at Section 2)+(Mean Velocity at End Sections at (1)^2/(2*Acceleration due to Gravity)-Mean Velocity at End Sections at (2)^2/(2*Acceleration due to Gravity))-Frictional Loss to evaluate the Eddy Loss, The Eddy Loss formula is defined as the resistance in the swirling of a fluid and the reverse current created when the fluid is in a turbulent flow regime. The moving fluid creates a space devoid of downstream-flowing fluid on the downstream side of the object. Eddy Loss is denoted by h_e symbol.

How to evaluate Eddy Loss using this online evaluator? To use this online evaluator for Eddy Loss, enter Height above Datum at Section 1 (h₁), Height above Datum at Section 2 (h₂), Mean Velocity at End Sections at (1) (V₁), Acceleration due to Gravity (g), Mean Velocity at End Sections at (2) (V₂) & Frictional Loss (h_f) and hit the calculate button.

FAQs on Eddy Loss

What is the formula to find Eddy Loss?

The formula of Eddy Loss is expressed as Eddy Loss = (Height above Datum at Section 1-Height above Datum at Section 2)+(Mean Velocity at End Sections at (1)^2/(2*Acceleration due to Gravity)-Mean Velocity at End Sections at (2)^2/(2*Acceleration due to Gravity))-Frictional Loss. Here is an example- 15.96939 = (50-20)+(10^2/(2*9.8)-9^2/(2*9.8))-15.

How to calculate Eddy Loss?

With Height above Datum at Section 1 (h₁), Height above Datum at Section 2 (h₂), Mean Velocity at End Sections at (1) (V₁), Acceleration due to Gravity (g), Mean Velocity at End Sections at (2) (V₂) & Frictional Loss (h_f) we can find Eddy Loss using the formula - Eddy Loss = (Height above Datum at Section 1-Height above Datum at Section 2)+(Mean Velocity at End Sections at (1)^2/(2*Acceleration due to Gravity)-Mean Velocity at End Sections at (2)^2/(2*Acceleration due to Gravity))-Frictional Loss.

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Eddy Loss Formula

Eddy Loss Example

Eddy Loss Solution

Eddy Loss Formula Elements

Other formulas in Slope Area Method category

How to Evaluate Eddy Loss?

FAQs on Eddy Loss

Variable Name