Stagnation temperature

The total temperature is also referred to as quiescent or temperature stagnation temperature and is a variable for describing flowing, compressible media, i.e. gases flowing. The total temperature is the resulting temperature of a gas flow when the flow velocity adiabatic (ie thermally insulated ) is reduced to a negligible value. Mathematically, the total temperature can be described as the sum of the static temperature and a kinetic component of the flowing medium at the speed:

In this case, the static temperature is the temperature that would feel a comoved with the flowing gas observer. The specific heat capacity is assumed to be constant. If the flow is to a halt (), so total temperature and static temperature are identical.

Analogous to the definition of the resting temperature exists for a one-dimensional gas flow, a corresponding pressure at rest, but which an isentropic (ie not just a heat-insulated, but also frictionless ) requires recirculation of the flow velocity. In contrast to the static pressure, the total temperature remains constant even when the friction -prone flow, provided that the gas is an ideal gas. A throttling ( pressure reduction by internal friction ) are isothermal, then, if the speed increase can be neglected.