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Pressure Drop in Circular Duct Formula

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Pressure Drop in Circular Duct due to friction is the decrease in the value of the pressure due to the influence of friction. Check FAQs

ΔP c = \frac{0.6 \cdot f \cdot L \cdot {V m}^{2}}{\frac{d}{4}}

ΔP_c - Pressure Drop in Circular Duct?f - Friction Factor in Duct?L - Length of Duct?V_m - Mean Velocity of Air?d - Diameter of Circular Duct?

Pressure Drop in Circular Duct Example

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Here is how the Pressure Drop in Circular Duct equation looks like with Values.

Here is how the Pressure Drop in Circular Duct equation looks like with Units.

Here is how the Pressure Drop in Circular Duct equation looks like.

0.0054 = \frac{0.6 \cdot 0.8 \cdot 0.0654 \cdot 15^{2}}{\frac{533.334}{4}}

0.0054mmAq = \frac{0.6 \cdot 0.8 \cdot 0.0654m \cdot {15m/s}^{2}}{\frac{533.334m}{4}}

0.0054 = \frac{0.6 \cdot 0.8 \cdot 0.0654 \cdot 15^{2}}{\frac{533.334}{4}}

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Pressure Drop in Circular Duct Solution

Follow our step by step solution on how to calculate Pressure Drop in Circular Duct?

FIRST Step Consider the formula

ΔP c = \frac{0.6 \cdot f \cdot L \cdot {V m}^{2}}{\frac{d}{4}}

Next Step Substitute values of Variables

∴

ΔP c = \frac{0.6 \cdot 0.8 \cdot 0.0654m \cdot {15m/s}^{2}}{\frac{533.334m}{4}}

Next Step Prepare to Evaluate

∴

ΔP c = \frac{0.6 \cdot 0.8 \cdot 0.0654 \cdot 15^{2}}{\frac{533.334}{4}}

Next Step Evaluate

∴

ΔP c = 0.0529739337825828Pa

Next Step Convert to Output's Unit

∴

ΔP c = 0.00539999325000844mmAq

LAST Step Rounding Answer

∴

ΔP c = 0.0054mmAq

Pressure Drop in Circular Duct Formula Elements

Variables

Pressure Drop in Circular Duct

Pressure Drop in Circular Duct due to friction is the decrease in the value of the pressure due to the influence of friction.

Symbol: ΔP_c

Measurement: PressureUnit: mmAq

Note: Value can be positive or negative.

Formulas to find Pressure Drop in Circular Duct

Friction Factor in Duct

Friction Factor in Duct is dimensionless number depending upon the surface of the duct.

Symbol: f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Friction Factor in Duct

Length of Duct

Length of Duct is defined as the measurement or extent of something from end to end of ducts.

Symbol: L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length of Duct

Mean Velocity of Air

Mean Velocity of Air is defined as the time average of the velocity of a fluid at a fixed point, over a somewhat arbitrary time interval T counted from some fixed time t0.

Symbol: V_m

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Mean Velocity of Air

Diameter of Circular Duct

Diameter of Circular Duct is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Symbol: d

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter of Circular Duct

Other formulas in Pressure category

Go Dynamic Pressure Loss

P d = C \cdot 0.6 \cdot V^{2}

Go Dynamic Loss Coefficient given Dynamic Pressure Loss

C = \frac{P d}{0.6 \cdot V^{2}}

Go Dynamic Loss Coefficient given Equivalent Additional Length

C = \frac{f \cdot L e}{m}

Go Pressure Loss due to Sudden Enlargement

ΔP se = 0.6 \cdot {(V 1 - V 2)}^{2}

How to Evaluate Pressure Drop in Circular Duct?

Pressure Drop in Circular Duct evaluator uses Pressure Drop in Circular Duct = (0.6*Friction Factor in Duct*Length of Duct*Mean Velocity of Air^2)/(Diameter of Circular Duct/4) to evaluate the Pressure Drop in Circular Duct, Pressure Drop in Circular Duct formula is defined as the loss of pressure that occurs when a fluid flows through a circular duct, resulting from the frictional forces that resist the flow, and is a critical parameter in the design and operation of piping systems. Pressure Drop in Circular Duct is denoted by ΔP_c symbol.

How to evaluate Pressure Drop in Circular Duct using this online evaluator? To use this online evaluator for Pressure Drop in Circular Duct, enter Friction Factor in Duct (f), Length of Duct (L), Mean Velocity of Air (V_m) & Diameter of Circular Duct (d) and hit the calculate button.

FAQs on Pressure Drop in Circular Duct

What is the formula to find Pressure Drop in Circular Duct?

The formula of Pressure Drop in Circular Duct is expressed as Pressure Drop in Circular Duct = (0.6*Friction Factor in Duct*Length of Duct*Mean Velocity of Air^2)/(Diameter of Circular Duct/4). Here is an example- 0.00055 = (0.6*0.8*0.0654*15^2)/(533.334/4).

How to calculate Pressure Drop in Circular Duct?

With Friction Factor in Duct (f), Length of Duct (L), Mean Velocity of Air (V_m) & Diameter of Circular Duct (d) we can find Pressure Drop in Circular Duct using the formula - Pressure Drop in Circular Duct = (0.6*Friction Factor in Duct*Length of Duct*Mean Velocity of Air^2)/(Diameter of Circular Duct/4).

Can the Pressure Drop in Circular Duct be negative?

Yes, the Pressure Drop in Circular Duct, measured in Pressure can be negative.

Which unit is used to measure Pressure Drop in Circular Duct?

Pressure Drop in Circular Duct is usually measured using the Millimeter Water (4 °C)[mmAq] for Pressure. Pascal[mmAq], Kilopascal[mmAq], Bar[mmAq] are the few other units in which Pressure Drop in Circular Duct can be measured.

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Pressure Drop in Circular Duct Formula

Pressure Drop in Circular Duct Example

Pressure Drop in Circular Duct Solution

Pressure Drop in Circular Duct Formula Elements

Other formulas in Pressure category

How to Evaluate Pressure Drop in Circular Duct?

FAQs on Pressure Drop in Circular Duct

Variable Name