EngiRef / Thermodynamics Engineering Formula
Specific Heat Ratio
Specific Heat Ratio: Ratio of specific heats at constant pressure to volume. A Laws formula in thermodynamics engineering. Variables γ, cₚ and cᵥ, each with SI…
Laws
Specification
- Name
- Specific Heat Ratio
- Discipline
- thermodynamics
- Category
- Laws
- LaTeX
- \gamma = \frac{c_p}{c_v}
- Description
- Ratio of specific heats at constant pressure to volume
- Conditions
- γ ≈ 1.4 for air at standard conditions
- Can solve for
- γ, cₚ, cᵥ
- Tags
- specific, heat, ratio, gamma, adiabatic
Variables
| Symbol | Name | Unit | Si Unit |
|---|---|---|---|
| γ | Specific Heat Ratio | - | - |
| cₚ | Specific Heat at Constant Pressure | J/(kg·K) | J/(kg·K) |
| cᵥ | Specific Heat at Constant Volume | J/(kg·K) | J/(kg·K) |