A horizontal smooth-walled cylindrical pipe has diameter 0.04 m. Water flows along the pipe with a flow rate of Q = 2 × 10-4 m³ s¯¹. For water, take the kinematic viscosity as v = 10-6 m² s-1 and the density as p = 10³ kg m-³. -3 (a) Calculate the Reynolds number and establish whether the flow is turbulent or not. (b) Show that X 0.035 is a good approximation of the Darcy friction factor for this flow. = (c) Calculate the shear stress at the wall of the pipe, and hence find the magnitude of the drag force exerted by the water on a length L = 2 m of the pipe.

A horizontal smooth-walled cylindrical pipe has diameter 0.04 m. Water flows along the pipe with a flow rate of Q = 2 × 10-4 m³ s¯¹. For water, take the kinematic viscosity as v = 10-6 m² s-1 and the density as p = 10³ kg m-³. -3 (a) Calculate the Reynolds number and establish whether the flow is turbulent or not. (b) Show that X 0.035 is a good approximation of the Darcy friction factor for this flow. = (c) Calculate the shear stress at the wall of the pipe, and hence find the magnitude of the drag force exerted by the water on a length L = 2 m of the pipe.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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