Please i need hand written solution on pages in 60 mins i will give you positive feedback QUESTION TWOA coating experiment is conducted on a flat photographic film. The film is pulled awayfrom a processing bath by rollers at a steady velocity U and inclined angle 0, as shownin Fig. Q2.UAirLiquidcoatingMoving photo-graphic filmFig. Q2: Liquid coating on a photographic film.As the film leaves the bath, it retains some liquid; and in this experiment, it has reachedthe stage where: the velocity of the liquid in contact with the film (i.e., at y =U. The thickness of the liquid is assumed to be constant at y = 8, and there is no netliquid flow (as much is being pulled up by the film as is falling back by gravity).0) is u =Question 2 continued on next page.|| Question 2 continued.Conduct the following solving procedures to analyse this flow:a) Derive an expression for the differential mass balance and simplify it.b) Derive an expression for the differential momentum balance in the x and ydirections. What are the values of g, and gy as functions of g and 0? Simplifythe format for the momentum equations.c) From the simplified y -momentum balance, derive an expression for thepressure p as a function of y, 8, g, and 0. Demonstrate thatəx= 0.d) From the simplified x -momentum balance, derive an expression for the liquidvelocity u (as a function of U, y,8 and a, where a = eg sin ởAssume that the airexerts a negligible shear stress on the xy -surface of the liquid (Tyx) at y = 8.e) Derive an expression for the flow rate Q (per unit width, normal to the plane ofFig. Q2) in terms of U, 8 and a.f) If there is no net flow, obtain an expression for the film thickness 8 in terms of Uand a.

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Answered: A coating experiment is conducted on a…

Engineering

Mechanical Engineering

A coating experiment is conducted on a flat photographic film.

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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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

Please i need hand written solution on pages in 60 mins i will give you positive feedback

Question 2 continued.
Conduct the following solving procedures to analyse this flow:
a) Derive an expression for the differential mass balance and simplify it.
b) Derive an expression for the differential momentum balance in the x and y
directions. What are the values of g, and gy as functions of g and 0? Simplify
the format for the momentum equations.
c) From the simplified y -momentum balance, derive an expression for the
pressure p as a function of y, 8, g, and 0. Demonstrate that
əx
= 0.
d) From the simplified x -momentum balance, derive an expression for the liquid
velocity u (as a function of U, y,8 and a, where a = eg sin ở
Assume that the air
exerts a negligible shear stress on the xy -surface of the liquid (Tyx) at y = 8.
e) Derive an expression for the flow rate Q (per unit width, normal to the plane of
Fig. Q2) in terms of U, 8 and a.
f) If there is no net flow, obtain an expression for the film thickness 8 in terms of U
and a.

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