The averaging interval in RANS equation is based on ____________

The averaging interval in RANS equation is based on ____________ Correct Answer the fluctuations

Time averaging is used only when the flow is steady and time-independent. The time interval taken to average the fluctuations depend upon the time scale of the fluctuations itself. If this interval is large enough, the lower limit of the integral does not even matter.
Bissoy MCQ

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