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Pressure Loss Coefficient at Inlet of Duct Formula

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Pressure Loss Coefficient at 1 is the coefficient of pressure losses caused by a change in air direction from the elbow, offset, or takeoffs. Check FAQs

C 1 = {(1 - \frac{A 1}{A 2})}^{2}

C₁ - Pressure Loss Coefficient at 1?A₁ - Cross-Sectional Area of Duct at Section 1?A₂ - Cross-Sectional Area of Duct at Section 2?

Pressure Loss Coefficient at Inlet of Duct Example

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Here is how the Pressure Loss Coefficient at Inlet of Duct equation looks like with Values.

Here is how the Pressure Loss Coefficient at Inlet of Duct equation looks like with Units.

Here is how the Pressure Loss Coefficient at Inlet of Duct equation looks like.

0.2803 = {(1 - \frac{1.4529}{0.95})}^{2}

0.2803 = {(1 - \frac{1.4529m²}{0.95m²})}^{2}

0.2803 = {(1 - \frac{1.4529}{0.95})}^{2}

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Pressure Loss Coefficient at Inlet of Duct Solution

Follow our step by step solution on how to calculate Pressure Loss Coefficient at Inlet of Duct?

FIRST Step Consider the formula

C 1 = {(1 - \frac{A 1}{A 2})}^{2}

Next Step Substitute values of Variables

∴

C 1 = {(1 - \frac{1.4529m²}{0.95m²})}^{2}

Next Step Prepare to Evaluate

∴

C 1 = {(1 - \frac{1.4529}{0.95})}^{2}

Next Step Evaluate

∴

C 1 = 0.280276619923546

LAST Step Rounding Answer

∴

C 1 = 0.2803

Pressure Loss Coefficient at Inlet of Duct Formula Elements

Variables

Pressure Loss Coefficient at 1

Pressure Loss Coefficient at 1 is the coefficient of pressure losses caused by a change in air direction from the elbow, offset, or takeoffs.

Symbol: C₁

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Pressure Loss Coefficient at 1

Cross-Sectional Area of Duct at Section 1

The Cross-Sectional Area of Duct at Section 1 is defined as the area of the section at point 1.

Symbol: A₁

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Cross-Sectional Area of Duct at Section 1

Cross-Sectional Area of Duct at Section 2

The Cross-Sectional Area of Duct at Section 2 is the area of the cross-section at section 2.

Symbol: A₂

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Cross-Sectional Area of Duct at Section 2

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 Loss Coefficient at Inlet of Duct?

Pressure Loss Coefficient at Inlet of Duct evaluator uses Pressure Loss Coefficient at 1 = (1-Cross-Sectional Area of Duct at Section 1/Cross-Sectional Area of Duct at Section 2)^2 to evaluate the Pressure Loss Coefficient at 1, Pressure Loss Coefficient at Inlet of Duct formula is defined as a dimensionless quantity that characterizes the loss of pressure at the inlet of a duct due to the sudden contraction of flow area, affecting the overall performance of the duct system. Pressure Loss Coefficient at 1 is denoted by C₁ symbol.

How to evaluate Pressure Loss Coefficient at Inlet of Duct using this online evaluator? To use this online evaluator for Pressure Loss Coefficient at Inlet of Duct, enter Cross-Sectional Area of Duct at Section 1 (A₁) & Cross-Sectional Area of Duct at Section 2 (A₂) and hit the calculate button.

FAQs on Pressure Loss Coefficient at Inlet of Duct

What is the formula to find Pressure Loss Coefficient at Inlet of Duct?

The formula of Pressure Loss Coefficient at Inlet of Duct is expressed as Pressure Loss Coefficient at 1 = (1-Cross-Sectional Area of Duct at Section 1/Cross-Sectional Area of Duct at Section 2)^2. Here is an example- 0.280277 = (1-1.452941/0.95)^2.

How to calculate Pressure Loss Coefficient at Inlet of Duct?

With Cross-Sectional Area of Duct at Section 1 (A₁) & Cross-Sectional Area of Duct at Section 2 (A₂) we can find Pressure Loss Coefficient at Inlet of Duct using the formula - Pressure Loss Coefficient at 1 = (1-Cross-Sectional Area of Duct at Section 1/Cross-Sectional Area of Duct at Section 2)^2.

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