specific heat at constant volume (Cv) WRT specific heat ratio Calculator

The specific heat capacity at constant volume (Cv) for an ideal gas is a thermodynamic property that measures the amount of heat energy required to raise the temperature of a given amount of gas while keeping the volume constant. It is a fundamental parameter in thermodynamics and is typically expressed in units of joules per kilogram per degree Kelvin (J/(kg·K)) in the International System of Units (SI).

The formula for Cv for an ideal gas in SI units is:

where,

  • Cv is the specific heat capacity at constant volume, which measures the amount of heat energy required to raise the temperature of a given amount of gas at constant volume.
  • γ (gamma) is the ratio of specific heat capacities, where γ = Cp / Cv. Cp is the specific heat capacity at constant pressure, and Cv is the specific heat capacity at constant volume.
  • R is the specific gas constant, which is specific to the type of gas you are dealing with. For example, for dry air, R is approximately 287 J/(kg·K).
  • (γ – 1) represents the difference between the adiabatic index and 1.

The specific heat capacity at constant volume (Cv) is an important thermodynamic property used in various applications, including the analysis of heat transfer and thermodynamic processes. The relationship between Cp, Cv, γ, and R is fundamental to understanding the behavior of gases in thermodynamic processes, such as in ideal gas law-based calculations.

 

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