Volumetric Efficiency given Compression and Pressure Ratio Calculator

✖Compression ratio is ratio between volume of cylinder and combustion chamber.ⓘ Compression Ratio [r]			+10% -10%
✖Pressure Ratio is ratio of final to initial pressure.ⓘ Pressure Ratio [r_p]			+10% -10%
✖Gamma is ratio of heat capacities at constant pressure and volume.ⓘ Gamma [Y]			+10% -10%

✖Volumetric Efficiency is the ratio of the volume of air/charge drawn into the cylinder(s) during the suction stroke to the total displacement of all the cylinder(s) at the atmospheric pressure.ⓘ Volumetric Efficiency given Compression and Pressure Ratio [η_v]

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Volumetric Efficiency given Compression and Pressure Ratio Solution

STEP 0: Pre-Calculation Summary

Formula Used

Volumetric Efficiency = 1+Compression Ratio+Compression Ratio*Pressure Ratio^(1/Gamma)
η_v = 1+r+r*r_p^(1/Y)
This formula uses 4 Variables

Variables Used

Volumetric Efficiency - Volumetric Efficiency is the ratio of the volume of air/charge drawn into the cylinder(s) during the suction stroke to the total displacement of all the cylinder(s) at the atmospheric pressure.
Compression Ratio - Compression ratio is ratio between volume of cylinder and combustion chamber.
Pressure Ratio - Pressure Ratio is ratio of final to initial pressure.
Gamma - Gamma is ratio of heat capacities at constant pressure and volume.

STEP 1: Convert Input(s) to Base Unit

Compression Ratio: 1.75 --> No Conversion Required
Pressure Ratio: 6 --> No Conversion Required
Gamma: 2.6 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_v = 1+r+r*r_p^(1/Y) --> 1+1.75+1.75*6^(1/2.6)

Evaluating ... ...

η_v = 6.23599685644165

STEP 3: Convert Result to Output's Unit

6.23599685644165 --> No Conversion Required

FINAL ANSWER

6.23599685644165 ≈ 6.235997 <-- Volumetric Efficiency

(Calculation completed in 00.004 seconds)

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National Institute of Technology (NIT), Jamshedpur

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Volumetric Efficiency given Compression and Pressure Ratio Formula

LaTeX Go

Volumetric Efficiency = 1+Compression Ratio+Compression Ratio*Pressure Ratio^(1/Gamma)
η_v = 1+r+r*r_p^(1/Y)

What is Volumetric Efficiency?

Volumetric Efficiency is one of the most important factors of an internal combustion engine' performance parameters. It is the ratio of the volume of air/charge drawn into the cylinder/s during the suction stroke to the total displacement of all the cylinder/s at the atmospheric pressure.

How to Calculate Volumetric Efficiency given Compression and Pressure Ratio?

Volumetric Efficiency given Compression and Pressure Ratio calculator uses Volumetric Efficiency = 1+Compression Ratio+Compression Ratio*Pressure Ratio^(1/Gamma) to calculate the Volumetric Efficiency, Volumetric Efficiency given Compression and Pressure Ratio is the ratio of the volume of air/charge drawn into the cylinder/s during the suction stroke to the total displacement of all the cylinder/s at the atmospheric pressure. Volumetric Efficiency is denoted by η_v symbol.

How to calculate Volumetric Efficiency given Compression and Pressure Ratio using this online calculator? To use this online calculator for Volumetric Efficiency given Compression and Pressure Ratio, enter Compression Ratio (r), Pressure Ratio (r_p) & Gamma (Y) and hit the calculate button. Here is how the Volumetric Efficiency given Compression and Pressure Ratio calculation can be explained with given input values -> 8.039058 = 1+1.75+1.75*6^(1/2.6).

FAQ

What is Volumetric Efficiency given Compression and Pressure Ratio?

Volumetric Efficiency given Compression and Pressure Ratio is the ratio of the volume of air/charge drawn into the cylinder/s during the suction stroke to the total displacement of all the cylinder/s at the atmospheric pressure and is represented as η_v = 1+r+r*r_p^(1/Y) or Volumetric Efficiency = 1+Compression Ratio+Compression Ratio*Pressure Ratio^(1/Gamma). Compression ratio is ratio between volume of cylinder and combustion chamber, Pressure Ratio is ratio of final to initial pressure & Gamma is ratio of heat capacities at constant pressure and volume.

How to calculate Volumetric Efficiency given Compression and Pressure Ratio?

Volumetric Efficiency given Compression and Pressure Ratio is the ratio of the volume of air/charge drawn into the cylinder/s during the suction stroke to the total displacement of all the cylinder/s at the atmospheric pressure is calculated using Volumetric Efficiency = 1+Compression Ratio+Compression Ratio*Pressure Ratio^(1/Gamma). To calculate Volumetric Efficiency given Compression and Pressure Ratio, you need Compression Ratio (r), Pressure Ratio (r_p) & Gamma (Y). With our tool, you need to enter the respective value for Compression Ratio, Pressure Ratio & Gamma and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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