Consider inviscid, incompressible flow over a closed semi-cylinder with radius 0.5m. Assume the flow field over the top of the semi-cylinder is identical to the flow over a cylinder for Osesn. Assume the pressure on the bottom of the semi-cylinder is stagnation pressure, po. The freestream velocity is 3 m/s and the density is 1.23 kg/m?. a) What is the net lift force acting on the semi-cylinder? U b) What is the net drag force acting on the semi-cylinder? P. Now consider that the flow is viscous, but still incompressible and that the dynamic viscosity is 2x10 kg/(m*s). c) Estimate the drag on the semi-cylinder assuming it is equivalent to % the drag of a cylinder. Recall that Co=f(Re) for a cylinder as shown below. d) Do you estimate the boundary layer to be laminar or turbulent in part (c) and why? tttt

Consider inviscid, incompressible flow over a closed semi-cylinder with radius 0.5m. Assume the flow field over the top of the semi-cylinder is identical to the flow over a cylinder for Osesn. Assume the pressure on the bottom of the semi-cylinder is stagnation pressure, po. The freestream velocity is 3 m/s and the density is 1.23 kg/m?. a) What is the net lift force acting on the semi-cylinder? U b) What is the net drag force acting on the semi-cylinder? P. Now consider that the flow is viscous, but still incompressible and that the dynamic viscosity is 2x10 kg/(m*s). c) Estimate the drag on the semi-cylinder assuming it is equivalent to % the drag of a cylinder. Recall that Co=f(Re) for a cylinder as shown below. d) Do you estimate the boundary layer to be laminar or turbulent in part (c) and why? tttt

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.3P: Evaluate the Nusselt number for flow over a sphere for the following conditions: D=0.15m,k=0.2W/mK,...

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