2.22. Three parallel flat plates are separated by two fluids. Plate 1 (on the bottom) is atrest. Water, viscosity 0.8007 cP at 30°C, lies between plates 1 and 2. Toluene,viscosity 0.5179 cP at 30°C, lies between plates 2 and 3. The distance betweeneach pair of plates is 10 cm. Plate 3 moves at 3 m s¹. Find:(a) the velocity of plate 2 at steady-state(b) the force per unit area on plate 3 required to maintain the 3 m s¹ velocity

Answered: Image /qna-images/answer/8a3ec8fd-9837-4459-aa69-feefd1ee60ba.jpg

Answered: Three parallel flat plates are…

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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If the white fluid is air, the blue fluid is water, the red fluid is oil (S = 0.86), and the green fluid is mercury (S = 13.6), what is the difference in pressure between C and D? You may assume h1 = 87 cm, h2 = h3 = 30 cm, h4 = 49 cm, h5 =45 cm, h6 = 14 cm, and PA= 100 kPa. h3 h4 he h5 h2
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1 Consider a rapidly rotating (ie, in near geostrophic balance) Boussineq fluid on the f plane. A) Show that the pressure divided by the density scales as Φ ≈ fUL B) Show that the horizontal divergence of the geostrophic wind vanishes. Thus, argue that the scaling W ≈ UH = L is an overestimate for the magnitude of the vertical velocity
A cube of side (a) and mass (M) is initially sitting fully submerged at the bottom of a container filled with a liquid of kinematic viscosity v and density p. The container has a square cross-section of side (a+a/5) and the cube is sitting right at the middle of the container base. (a) A force (F) starts pulling the cube up at a constant velocity (U). Develop an expression for the force in terms of (U, M. a. g, p and v). You may assume that the velocity in the gap between the cube's sides and the container walls is linear. The expression for (F) is to be valid as long as the cube remains submerged. (b) After the cube reaches the water surface, it continues to be pulled up by the same force. Develop a differential equation for the variation with time of the fraction of the cube that is submerged in water.

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