Dynamic Loss Coefficient given Dynamic Pressure Loss Calculator

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Dynamic loss in ducts

Basics of Ducts

Continuity Equation for Ducts

Friction Factor

Pressure Loss in Ducts

✖Dynamic Pressure Loss is defined as the loss of pressure is due to the loss of the energy of the fluid in overcoming such dynamic forces resisting the changes.ⓘ Dynamic Pressure Loss [P_d]			+10% -10%
✖The Velocity of Air is defined as the rate of air movement measured in distance traveled relative to the time elapsed.ⓘ Velocity of Air [V]			+10% -10%

✖Dynamic Loss Coefficient is defined as the value which is experimentally determined to calculate the dynamic pressure loss.ⓘ Dynamic Loss Coefficient given Dynamic Pressure Loss [C]

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Formula

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Dynamic Loss Coefficient given Dynamic Pressure Loss

Formula

`"C" = "P"_{"d"}/(0.6*"V"^2)`

Example

`"0.266939"="20mmAq"/(0.6*("35m/s")^2)`

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Dynamic Loss Coefficient given Dynamic Pressure Loss Solution

STEP 0: Pre-Calculation Summary

Formula Used

Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2)
C = P_d/(0.6*V^2)
This formula uses 3 Variables

Variables Used

Dynamic Loss Coefficient - Dynamic Loss Coefficient is defined as the value which is experimentally determined to calculate the dynamic pressure loss.
Dynamic Pressure Loss - (Measured in Pascal) - Dynamic Pressure Loss is defined as the loss of pressure is due to the loss of the energy of the fluid in overcoming such dynamic forces resisting the changes.
Velocity of Air - (Measured in Meter per Second) - The Velocity of Air is defined as the rate of air movement measured in distance traveled relative to the time elapsed.

STEP 1: Convert Input(s) to Base Unit

Dynamic Pressure Loss: 20 Millimeter Water (4 °C) --> 196.2 Pascal (Check conversion here)
Velocity of Air: 35 Meter per Second --> 35 Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C = P_d/(0.6*V^2) --> 196.2/(0.6*35^2)

Evaluating ... ...

C = 0.266938775510204

STEP 3: Convert Result to Output's Unit

0.266938775510204 --> No Conversion Required

FINAL ANSWER

0.266938775510204 ≈ 0.266939 <-- Dynamic Loss Coefficient

(Calculation completed in 00.004 seconds)

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Home » Physics » Refrigeration and Air Conditioning » Ducts » Dynamic loss in ducts » Dynamic Loss Coefficient given Dynamic Pressure Loss

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< 17 Dynamic loss in ducts Calculators

Length of Duct given Pressure Loss due to Friction

Go Length of Duct = (2*Pressure Loss due to Friction in Ducts*Hydraulic Mean Depth)/(Friction Factor in Duct*Air Density*Mean Velocity of Air^2)

Pressure Loss due to Friction in Ducts

Go Pressure Loss due to Friction in Ducts = (Friction Factor in Duct*Length of Duct*Air Density*Mean Velocity of Air^2)/(2*Hydraulic Mean Depth)

Pressure Drop in Square Duct

Go Pressure Drop = (0.6*Friction Factor in Duct*Length of Duct*Mean Velocity of Air^2)/((Side^2)/(2*(Side+Side)))

Pressure Drop in Circular Duct

Go Pressure Drop = (0.6*Friction Factor in Duct*Length of Duct*Mean Velocity of Air^2)/(Diameter of Circular Duct/4)

Pressure Loss due to Gradual Contraction given Pressure Loss Coefficient at Section 1

Go Dynamic Pressure Loss = 0.6*Velocity of Air at Section 1^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 1

Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2

Go Dynamic Pressure Loss = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 2

Dynamic Loss Coefficient given Equivalent Additional Length

Go Dynamic Loss Coefficient = (Friction Factor in Duct*Equivalent Additional Length)/Hydraulic Mean Depth

Pressure Loss Coefficient at Outlet of Duct

Go Pressure Loss Coefficient at 2 = (Cross-Sectional Area of Duct at Section 2/Cross-Sectional Area of Duct at Section 1-1)^2

Pressure Loss Coefficient at Inlet of Duct

Go Pressure Loss Coefficient at 1 = (1-Cross-Sectional Area of Duct at Section 1/Cross-Sectional Area of Duct at Section 2)^2

Total Pressure required at Inlet to Duct

Go Total Pressure Required = Pressure Loss due to Friction in Ducts+Velocity Pressure in Ducts

Pressure Loss due to Sudden Contraction given Velocity of Air at point 2

Go Dynamic Pressure Loss = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient at 2

Pressure Loss due to Sudden Enlargement

Go Dynamic Pressure Loss = 0.6*(Velocity of Air at Section 1-Velocity of Air at Section 2)^2

Pressure Loss due to Sudden Contraction given Velocity of Air at Point 1

Go Dynamic Pressure Loss = 0.6*Velocity of Air at Section 1^2*Dynamic Loss Coefficient

Dynamic Loss Coefficient given Dynamic Pressure Loss

Go Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2)

Pressure Loss at Suction

Go Dynamic Pressure Loss = Dynamic Loss Coefficient*0.6*Velocity of Air^2

Dynamic Pressure Loss

Go Dynamic Pressure Loss = Dynamic Loss Coefficient*0.6*Velocity of Air^2

Pressure Loss at Discharge or Exit

Go Dynamic Pressure Loss = 0.6*Velocity of Air^2

Dynamic Loss Coefficient given Dynamic Pressure Loss Formula

Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2)
C = P_d/(0.6*V^2)

What is dynamic pressure loss and its causes?

The pressure loss due to the change of direction of velocity at the elbow is expressed either in terms of velocity pressure head or equivalent additional length which will give frictional loss equal to that caused by the elbow called Dynamic Pressure loss.

The dynamic losses are caused due to the change in direction or magnitude of the velocity of the fluid in the duct. The change in the direction of velocity occurs at bends and elbows. The change in the magnitude of velocity occurs when the area of the duct changes. The change in velocity magnitude or direction can be caused only by the
accelerating or decelerating forces which may be internal or external.

How to Calculate Dynamic Loss Coefficient given Dynamic Pressure Loss?

Dynamic Loss Coefficient given Dynamic Pressure Loss calculator uses Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2) to calculate the Dynamic Loss Coefficient, The Dynamic Loss Coefficient given Dynamic Pressure Loss formula is used to calculate the dynamic loss coefficient in terms of the dynamic pressure loss. It is the value that is experimentally determined. Dynamic Loss Coefficient is denoted by C symbol.

How to calculate Dynamic Loss Coefficient given Dynamic Pressure Loss using this online calculator? To use this online calculator for Dynamic Loss Coefficient given Dynamic Pressure Loss, enter Dynamic Pressure Loss (P_d) & Velocity of Air (V) and hit the calculate button. Here is how the Dynamic Loss Coefficient given Dynamic Pressure Loss calculation can be explained with given input values -> 0.266939 = 196.2/(0.6*35^2).

FAQ

What is Dynamic Loss Coefficient given Dynamic Pressure Loss?

The Dynamic Loss Coefficient given Dynamic Pressure Loss formula is used to calculate the dynamic loss coefficient in terms of the dynamic pressure loss. It is the value that is experimentally determined and is represented as C = P_d/(0.6*V^2) or Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2). Dynamic Pressure Loss is defined as the loss of pressure is due to the loss of the energy of the fluid in overcoming such dynamic forces resisting the changes & The Velocity of Air is defined as the rate of air movement measured in distance traveled relative to the time elapsed.

How to calculate Dynamic Loss Coefficient given Dynamic Pressure Loss?

The Dynamic Loss Coefficient given Dynamic Pressure Loss formula is used to calculate the dynamic loss coefficient in terms of the dynamic pressure loss. It is the value that is experimentally determined is calculated using Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2). To calculate Dynamic Loss Coefficient given Dynamic Pressure Loss, you need Dynamic Pressure Loss (P_d) & Velocity of Air (V). With our tool, you need to enter the respective value for Dynamic Pressure Loss & Velocity of Air 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 Dynamic Loss Coefficient?

In this formula, Dynamic Loss Coefficient uses Dynamic Pressure Loss & Velocity of Air. We can use 1 other way(s) to calculate the same, which is/are as follows -

Dynamic Loss Coefficient = (Friction Factor in Duct*Equivalent Additional Length)/Hydraulic Mean Depth

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