HW6_FINAL - -1 C-1 (2 points) (b) Using Figure 8-1 to...

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ENU 4134 – Homework Assignment #6 – Fall 2011 – D. Schubring 1 ENU 4134 – Homework Assignment #6 – Fall 2011 DUE: Wednesday, November 9 ALLOWED COLLABORATION: You may discuss this assignment and the underlying con- cepts with your classmates, but your final assignment must be yours alone and reflect your own understanding of the material. Consider the following following set of conditions: T = T sat = 350 C - 1 (1) D = 11 mm (2) R fo = 5 mm (3) R ci = 5 . 10 mm (4) Pitch = 14 mm (5) ˙ m = 0 . 22 kg s - 1 (6) q 0 = 50 kW m - 1 (7) k c = 15 W m - 1 K - 1 (8) x = x e = 0 . 05 (9) a. Use Weisman for htc lo and Schrock and Grossman for htc 2 φ to compute T co . (8 points). b. Use Equation 22 in the Conduction in Fuel and Cladding lecture notes (module #11) to compute T ci . (2 points). c. Use Figure 8-22 to compute T fo , with an initial cold diametral gap of 0.20 mm. (5 points) d. Compute T max in 3 seperate ways: (a) Using a constant conductivity of 3 W m
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Unformatted text preview: -1 C-1 (2 points) (b) Using Figure 8-1 to estimate a conductivity integral (4 points) (c) With the following expression for k (T in C), similar to an in-class example (4 points) k f = 1 + 3 exp (-. 0005 T ) (10) Properties (looked up): g = 113 . 6 kg m-3 (11) f = 574 kg m-3 (12) h fg = 0 . 893 10 6 J kg-1 (13) f = 6 . 94 10-5 kg m-1 s-1 (14) g = 2 . 415 10-5 kg m-1 s-1 (15) Pr l = 1 . 61 (16) k l = 0 . 434 W m-1 K-1 (17) ENU 4134 Homework Assignment #6 Fall 2011 D. Schubring 2 Deliverable Hard copy solutions/discussion, as required in the tasks above, with the tasks individually numbered (in order) and stapled. Do not include this assignment sheet. Do not include your UFID#....
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HW6_FINAL - -1 C-1 (2 points) (b) Using Figure 8-1 to...

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