Question: Question 3 : A circular disk with a diameter D is placed in a uniform flow field as shown in the figure below. The average

Question

3

A circular disk with a diameter D is placed in a uniform flow field as shown in the figure below. The average pressure coefficient on the forward and rearward surfaces of the disk are

0.75

and

- 0.40

respectively. What is the corresponding drag coefficient?

(

Hint: Use the cross sectional area as reference area

)

Question 3 : A circular disk with a diameter D is

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