Amount of heat required to change the temperature of one unit of volume by one unit of temperature:
c_v = \frac{\delta Q}{\delta V \cdot \delta T} |
Symbol | Dimension | SI units | Oil metric units | Oil field units |
---|---|---|---|---|
c_v | M L-1 T−2 Θ−1 | J/(m3⋅K) | J/(m3⋅K) |
Volumetric Heat Capacity depends on the way the heat is transferred and as such is not a material properties.
The two major heat transfer processes are isobaric and isohoric which define:
Both c_{vp} and c_{vV} are material properties and properly tabulated for the vast majority of materials.
Volumetric Heat Capacity c_v relates to Specific Heat Capacity c_m and density of the matter \rho as:
(1) | c_v = \frac{c_m}{\rho} |
In many technical papers the "m" or "v" index is omitted which leads to confusion between Specific Heat Capacity c_m and Volumetric Heat Capacity c_v.
The other confusion is made between Volumetric Heat Capacity c_v and Isochoric Heat Capacity c_V.
See also
Physics / Thermodynamics / Thermodynamic process / Heat Transfer / Heat Capacity
[ Heat ] [ Specific heat capacity ]