Freestream total temperature () refers to the total temperature of the incoming fluid flow far upstream from any disturbances or components that could cause energy losses. Total temperature is a concept used in fluid dynamics to account for both the static temperature (due to molecular motion) and the temperature rise associated with the kinetic energy of the fluid.
- Ratio of freestream total temperature to the freestream temperature (T0,∞/T∞)
- Freestream total temperature (T∞) in K
- Freestream total temperature (T0,∞) in K