Division 3.2.2 Air temperature
The air temperature during a measurement shall remain within ± 3 °C at the centre of the test section. The air temperature distribution at the nozzle outlet shall remain within ± 3 °C.
The air temperature during a measurement shall remain within ± 3 °C at the centre of the test section. The air temperature distribution at the nozzle outlet shall remain within ± 3 °C.