### What is the relation between CP and CV?

## What is the relation between CP and CV?

The specific heat of gas at constant volume in terms of degree of freedom ‘f’ is given as: Cv = (f/2) R. So, we can also say that, Cp/Cv = (1 + 2/f), where f is degree of freedom. Monoatomic gas has only one translational motion, hence three translational degrees of freedom.

## What is the value of CP?

The nominal values used for air at 300 K are CP = 1.00 kJ/kg. K, Cv = 0.718 kJ/kg. K,, and k = 1.4.

## What is dQ dT in thermodynamics?

In fact, the heat capacity C describes the amount of heat dQ involved in changing one mole of a substance by a given temperature increment dT: dQ = CdT.

## Does specific heat ratio change with pressure?

The specific heat of dry air – CP and CV – will vary with pressure and temperature. This may influence on the accuracy of industrial air handling process calculations.

## What is the importance of ratio of specific heat?

The ratio of the specific heats γ = CP/CV is a factor in adiabatic engine processes and in determining the speed of sound in a gas. This ratio γ = 1.66 for an ideal monoatomic gas and γ = 1.4 for air, which is predominantly a diatomic gas.

## 40

1.40

## What is the specific heat ratio of air?

Ratios of Specific Heat of Gases – Engineering ToolBoxwww.engineeringtoolbox.com › specific-heat-ratio-d_608www.engineeringtoolbox.com › specific-heat-ratio-d_608

What is the relation between CP and CV? The specific heat of gas at constant volume in terms of degree of freedom ‘f’ is given as: Cv = (f/2) R. So, we can also say that, Cp/Cv = (1 + 2/f), where f is degree of freedom. Monoatomic gas has only one translational motion, hence…