In the external flow around an object, energy or work is used to move the submerged body through the fluid, where the fluid is forced to flow over the surface of the body. Explain what results are sought in external flow.
The derivation of the drag force equation (and the lift force equation) along with the coefficient of drag, CD (and lift coefficient, CL) for the external flow around an object is presented in this chapter. List what chapter presents the empirical evaluation of the respective flow resistance coefficients and application of the respective flow resistance equations.
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