(a) Does the total head increase or decrease as it flows over the body?(b) What is the decrease in pressure head from a location upstream of the object to a location at the exit plane in the wake of theobject? AP = i(c) What is the dynamic pressure head upstream of the object? Pd = i(d) What is the dynamic pressure head of the fluid streamline in the wake region downstream of the object? Pw==(e) What is the decrease in dynamic pressure head from a location upstream of the object to a location at the exit plane in thewake of the object? AP dyn=(f) What is the change in elevation from a location upstream of the object to a location at the exit plane in the wake of the object?Az = i(g) What is the change in mechanical head, due to drag from a location upstream of the object to a location at the exit plane in thewake of the object? Ahm(h) What is the magnitude of the head loss associated with the object? h₂ =◄► Air (1.23 kg/m³) flows past an object in a 2-m-diameter pipe and exits as a free jet as shown in the figure below. The velocity andpressure upstream are uniform at V = 13 m/s and p = 60 N/m², respectively. At the pipe exit the velocity is non-uniform asindicated. The shear stress along the pipe wall is negligible. (a) Determine the head loss associated with a fluid streamline as itflows over a solid body from the upstream region of uniform velocity to the wake region at the exit plane of the pipe. (b)Determine the force that the air puts on the object.Assume V₁ = 16.0 m/s, V₂ = 4 m/s.2-m-dia.AirWake 1-m dia.+Exit-V₂-V₁₂₁Head loss is associated with changes in static pressure head, dynamic pressure head, elevation and mechanical head in a flow.

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(a) Does the total head increase or decrease as it flows over the body? (b) What is the decrease in pressure head from a location upstream of the object to a location at the exit plane in the wake of the object? AP = i (c) What is the dynamic pressure head upstream of the object? Pd= + (d) What is the dynamic pressure head of the fluid streamline in the wake region downstream of the object? Pw= i + + (e) What is the decrease in dynamic pressure head from a location upstream of the object to a location at the exit plane in the wake of the object? AP dyn = (f) What is the change in elevation from a location upstream of the object to a location at the exit plane in the wake of the object? Az = i (h) What is the magnitude of the head loss associated with the object? h = (g) What is the change in mechanical head, due to drag from a location upstream of the object to a location at the exit plane in the wake of the object? Ahm = i i

(a) Does the total head increase or decrease as it flows over the body? (b) What is the decrease in pressure head from a location upstream of the object to a location at the exit plane in the wake of the object? AP = i (c) What is the dynamic pressure head upstream of the object? Pd= + (d) What is the dynamic pressure head of the fluid streamline in the wake region downstream of the object? Pw= i + + (e) What is the decrease in dynamic pressure head from a location upstream of the object to a location at the exit plane in the wake of the object? AP dyn = (f) What is the change in elevation from a location upstream of the object to a location at the exit plane in the wake of the object? Az = i (h) What is the magnitude of the head loss associated with the object? h = (g) What is the change in mechanical head, due to drag from a location upstream of the object to a location at the exit plane in the wake of the object? Ahm = i i

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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