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

STEP 0: Pre-Calculation Summary
Formula Used
Pressure Loss due to Gradual Contraction = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 2
ΔPgc = 0.6*V2^2*Cr*C2
This formula uses 4 Variables
Variables Used
Pressure Loss due to Gradual Contraction - (Measured in Pascal) - Pressure Loss due to Gradual Contraction due to friction is the decrease in the value of the pressure due to the influence of friction.
Velocity of Air at Section 2 - (Measured in Meter per Second) - Velocity of Air at section 2 is defined as the rate of air movement measured in distance traveled relative to time elapsed at section 2.
Pressure Loss Coefficient - Pressure Loss Coefficient is defined the ratio of actual loss of pressure to loss for sudden enlargement/contraction.
Pressure Loss Coefficient at 2 - Pressure Loss Coefficient at 2 is the coefficient of pressure losses caused by a change in air direction from the elbow, offset, or takeoffs.
STEP 1: Convert Input(s) to Base Unit
Velocity of Air at Section 2: 26 Meter per Second --> 26 Meter per Second No Conversion Required
Pressure Loss Coefficient: 0.4 --> No Conversion Required
Pressure Loss Coefficient at 2: 0.119822 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ΔPgc = 0.6*V2^2*Cr*C2 --> 0.6*26^2*0.4*0.119822
Evaluating ... ...
ΔPgc = 19.43992128
STEP 3: Convert Result to Output's Unit
19.43992128 Pascal -->1.98164335168196 Millimeter Water (4 °C) (Check conversion ​here)
FINAL ANSWER
1.98164335168196 1.981643 Millimeter Water (4 °C) <-- Pressure Loss due to Gradual Contraction
(Calculation completed in 00.008 seconds)

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Pressure Calculators

Dynamic Loss Coefficient given Equivalent Additional Length
​ LaTeX ​ Go Dynamic Loss Coefficient = (Friction Factor in Duct*Equivalent Additional Length)/Hydraulic Mean Depth
Pressure Loss due to Sudden Enlargement
​ LaTeX ​ Go Pressure Loss due to Sudden Enlargement = 0.6*(Velocity of Air at Section 1-Velocity of Air at Section 2)^2
Dynamic Loss Coefficient given Dynamic Pressure Loss
​ LaTeX ​ Go Dynamic Loss Coefficient = Dynamic Pressure Loss/(0.6*Velocity of Air^2)
Dynamic Pressure Loss
​ LaTeX ​ Go Dynamic Pressure Loss = Dynamic Loss Coefficient*0.6*Velocity of Air^2

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

​LaTeX ​Go
Pressure Loss due to Gradual Contraction = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 2
ΔPgc = 0.6*V2^2*Cr*C2

Values of Pressure loss coefficient (Cr)

The Pressure loss coefficient Cr is the function of included angle θ of the sides of contraction/ reduction.

Following are the general values of Cr with respect to the θ:

1. θ (in degree) = 5 then Cr = 0.17
2. θ (in degree) = 7 then Cr = 0.22
3. θ (in degree) = 10 then Cr = 0.28
4. θ (in degree) = 20 then Cr = 0.45
5. θ (in degree) = 30 then Cr = 0.59
6. θ (in degree) = 40 then Cr = 0.73

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

Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2 calculator uses Pressure Loss due to Gradual Contraction = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 2 to calculate the Pressure Loss due to Gradual Contraction, Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2 formula is defined as a measure of the reduction in air pressure that occurs when air flows through a gradually contracting passage, which is influenced by the velocity of air at a specific point and other factors. Pressure Loss due to Gradual Contraction is denoted by ΔPgc symbol.

How to calculate Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2 using this online calculator? To use this online calculator for Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2, enter Velocity of Air at Section 2 (V2), Pressure Loss Coefficient (Cr) & Pressure Loss Coefficient at 2 (C2) and hit the calculate button. Here is how the Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2 calculation can be explained with given input values -> 0.202002 = 0.6*26^2*0.4*0.119822.

FAQ

What is Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2?
Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2 formula is defined as a measure of the reduction in air pressure that occurs when air flows through a gradually contracting passage, which is influenced by the velocity of air at a specific point and other factors and is represented as ΔPgc = 0.6*V2^2*Cr*C2 or Pressure Loss due to Gradual Contraction = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 2. Velocity of Air at section 2 is defined as the rate of air movement measured in distance traveled relative to time elapsed at section 2, Pressure Loss Coefficient is defined the ratio of actual loss of pressure to loss for sudden enlargement/contraction & Pressure Loss Coefficient at 2 is the coefficient of pressure losses caused by a change in air direction from the elbow, offset, or takeoffs.
How to calculate Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2?
Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2 formula is defined as a measure of the reduction in air pressure that occurs when air flows through a gradually contracting passage, which is influenced by the velocity of air at a specific point and other factors is calculated using Pressure Loss due to Gradual Contraction = 0.6*Velocity of Air at Section 2^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 2. To calculate Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2, you need Velocity of Air at Section 2 (V2), Pressure Loss Coefficient (Cr) & Pressure Loss Coefficient at 2 (C2). With our tool, you need to enter the respective value for Velocity of Air at Section 2, Pressure Loss Coefficient & Pressure Loss Coefficient at 2 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 Pressure Loss due to Gradual Contraction?
In this formula, Pressure Loss due to Gradual Contraction uses Velocity of Air at Section 2, Pressure Loss Coefficient & Pressure Loss Coefficient at 2. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Pressure Loss due to Gradual Contraction = 0.6*Velocity of Air at Section 1^2*Pressure Loss Coefficient*Pressure Loss Coefficient at 1
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