Instrumentationhard#464
The relationship between TAT and SAT is: TAT = SAT × (1 + 0.2 × r × M²), where r is:
A
Air density ratio
B
Ram pressure ratio
C
Reynolds number
D
Recovery factor of the temperature probe
CorrectExplanation
The recovery factor (r, typically 0.95-1.0) accounts for the fact that the probe does not fully recover all kinetic energy.
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