ech%203264_exam1_sp07

ech%203264_exam1_sp07 - ECH 3264: Spring 2007 Exam #1...

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ECH 3264: Elementary Transport Phenomena Spring 2007 Exam #1 February 7, 2007 Name: Closed book and notes. No calculators. Start each problem on a new page. DO NOT use the back of a page. Write clearly your assumptions and any parameter definitions. Show your work to get maximum credit. It is helpful to the grader (and to you) if you box intermediate and final answers. Useful information: Relevant volume and surface areas: rL SA r SA L r V r V cylinder sphere cylinder sphere π 2 4 3 4 2 2 3 = = = = 1. (20 pts) Qualitative Questions Consider each of the steady-state temperature profiles given below. Are the profiles physically achievable? If so, which material (left or right) has the larger thermal conductivity? If not, give a reason that the profile cannot be achieved. Note: the slab of material on the left and right have the same dimensions (i.e. length, cross sectional area). (i) (ii) (iii) (iv) 2. (40 pts) Heat Transfer in cone geometry
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This note was uploaded on 08/30/2009 for the course ECH 3264 taught by Professor Asthagiri during the Spring '09 term at University of Florida.

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ech%203264_exam1_sp07 - ECH 3264: Spring 2007 Exam #1...

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