test1_cab3033 - b) Explain whether the parameter L affects...

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Test 1: CAB3033 Time 1 hour ## Question 1 a) How can we determine the velocity profile for incompressible, viscous fluid placed between horizontal, infinite, parallel plates, the two plates move IN OPPOSITE DIRECTIONS with constant velocities (with and ). 1 V 2 V b) What are the assumptions for this case? c) How can we determine the boundary conditions in this case? ## Question 2 1
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Figure above, shows an oil fluid with density, ρ =0.91 10 3 kg/m 3 and kinematic viscosity, υ , of 2.8 10 -4 m 2 /s is flowing on an inclined plane, θ = 52 o . The fluid is moving to the –z direction as shown in the figure. Calculate δ , is 3.5 mm. a) The velocity distribution, note that the fluid thickness,
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Unformatted text preview: b) Explain whether the parameter L affects the velocity distribution. c) If the answer is ‘no’ in b, please explain why? # Question 3 It is given that velocity distribution for laminar, incompressible flow of a fluid in a circular tube is: ( ) ⎥ ⎥ ⎦ ⎤ ⎢ ⎢ ⎣ ⎡ ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ − − = 2 2 1 4 R r L R P P v L o z μ a) From the equation, develop an expression for the average velocity z v inside the tube. (show all the steps) b) Show the mass flow rate (show all the steps). c) Calculate max for z v L =500 mm, L P P − =2 psig, =5 mm, R =1cp 2...
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This note was uploaded on 10/06/2009 for the course CHE CAB 3033 taught by Professor Drnurul during the Spring '09 term at National University of Singapore.

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test1_cab3033 - b) Explain whether the parameter L affects...

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