test2_tp_set1 - a Write down energy shell balance on the...

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Test2: TP: 2 Hours: [email protected] 1. A liquid film flowing on an inclined plane is shown in FIGURE Q1 . Using the shell balance , FIGURE Q1 : Liquid film test on a building wall a. Derive velocity profile as a function of -coordinate. y [ 1 2 m a r k s ] b. Derive mass flow rate in kg/hr. [8 marks]
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Test2: TP: 2 Hours: [email protected] 2. An incompressible Newtonian fluid (oil) flows in a narrow slit formed by two parallel walls with a distance of apart as shown in FIGURE Q2 B 2 FIGURE Q2 : Newtonian fluid flows in a narrow slit. a. Derive velocity profile as a function of . z [10 marks] b. Derive the mass flow rate of oil. [10 marks]
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Test2: TP: 2 Hours: [email protected] 3. An incompressible fluid is filled between two coaxial cylinders is shown in FIGURE Q3 and are the temperatures of the inner and outer cylinder respectively. Outer cylinder is rotating with an angular speed of . o T b T FIGURE Q3 Flow between cylinders with viscous heat generation.
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Unformatted text preview: a. Write down energy shell balance on the oil in the direction of axial direction. [8 marks] b. Obtain the temperature profile as a function of r for angular velocity = 300 rpm. [ 1 2 M a r k s ] Test2: TP: 2 Hours: [email protected] 4. A typical fin is shown in FIGURE Q4 The length, width and thickness of the fin are , W and respectively. L 2 B FIGURE Q4 Heat flows through a fin. a. Formulate shell energy balance along the y direction for the fin shown in FIGURE Q4 [8 marks] b. Solve a differential equation for temperature distribution as a function of length. [12 marks] Test2: TP: 2 Hours: [email protected] 5. A typical case of series of walls is shown in FIGURE Q5 . FIGURE Q5 : Heat flows through a series of walls. a. Formulate shell energy balance along the x direction for the shown in FIGURE Q5 . [8 marks] b. Derive expression for overall heat transfer coefficient. [12 marks]...
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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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test2_tp_set1 - a Write down energy shell balance on the...

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