For unsteady turbulent flows, which of these averaging method is used?

For unsteady turbulent flows, which of these averaging method is used? Correct Answer Ensemble averaging

Time averaging is generally used to remove the fluctuations in RANS model. But it cannot be used when the problem is unsteady. In these cases, ensemble averaging is used to eliminate the fluctuations.
Bissoy MCQ

Related Questions

Which of these averaging methods is useful for any kind of turbulent flows?
If the size of the averaging filter used to smooth the original image to first image is 9, then what would be the size of the averaging filter used in smoothing the same original picture to second in second image?
Statement 1: Unsteady state heat transfer equation can be used when there is negligible internal resistance. Statement 2: Unsteady state heat transfer equation can be used for liquid food items which are well stirred, because, temperature gradient within won’t be there.
A river connects two towns A and B. It flows 37 miles South from town A, then it turns West and flows 23 miles, then it turns North and flows 40 miles, then it turns to its right and flows 23 miles to reach town B. Where is town A with respect to town B?
In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow?
Is unsteady vortices appears at turbulent flow?
Arrange the following categories of cash inflows and cash outflows in a correct order.
1. Cash flows from investing activities.
2. Cash flows from financing activities.
3. Cash flows from operating activities.
Which of these methods is used to overcome the high resolution of turbulent flows?
Which of the following are methods of calculating goodwill?
1. Average profit method
2. Super profit method
3. Log method
4. Sum of years digit method
5. Capitalisation of average profit method
6. Capitalisation of super profit method
7. FIFO method
Select the correct answer:
Eddies formed in the turbulent flow are major cause of the energy loss in the turbulent flow.