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The Reynolds number of a 3-D turbulent flow is 104. What is the number of time-steps needed?

The Reynolds number of a 3-D turbulent flow is 104. What is the number of time-steps needed? Correct Answer 100

The number of time steps depends on the ratio of the largest to the smallest time scales. This ratio depends on the Reynolds number. The times steps needed is Re1/2. Here, it is (104)1/2, which is equal to 100. 100-time steps are needed to solve this problem.

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