PRC Engineering Practice Test & Exam Prep | Philippines

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The pressure coefficient (Cp) at a point on an airfoil in incompressible flow is defined in terms of static pressure (p), free-stream static pressure (p_inf), and free-stream dynamic pressure (q_inf). What is the value of Cp at a stagnation point?

Cp is equal to 0. Cp is equal to 1. Cp is equal to -1. Cp is equal to infinity.

Correct Answer:

Cp is equal to 1.

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