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Unformatted text preview: a. Write down energy shell balance on the oil in the direction of radial 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 heat flow is shown in FIGURE Q4, where heat is generated in the solid because of the current flow. FIGURE Q4 Heat flows through a cylinder. a. Formulate shell energy balance along the radial direction for the cylinder shown in FIGURE Q4 for a heat source of S 2 =10+20r . e [8 marks] b. Solve a differential equation for temperature distribution as a function of r. [12 marks] Test2: TP: 2 Hours: [email protected] 5. A typical case of cylinder is shown in FIGURE Q5 . L FIGURE Q5 : Heat flows through a series of cylinders. a. Formulate shell energy balance along the r direction for the shown in FIGURE Q5 . [8 marks] b. Derive expression for overall heat transfer coefficient. [ 1 2 m a r k s ]...
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 Spring '09
 DRNURUL
 Fluid Dynamics, 2 hours, Ω, [email protected], Derive velocity profile

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