The Effect of Lateral Rod Displacement on Laminar-Flow Transfer

[+] Author and Article Information
Chia-Jung Hsu

Brookhaven National Laboratory, Upton, N. Y.

J. Heat Transfer 94(2), 169-173 (May 01, 1972) (5 pages) doi:10.1115/1.3449889 History: Received September 01, 1970; Revised June 24, 1971; Online August 11, 2010


Heat transfer in longitudinal laminar flow through tightly packed rod bundles is analyzed for a rod displaced from its symmetrical position. The influences of the P/D ratio, the magnitude of σ, and the type of thermal boundary condition, etc. on the variation of the coolant temperature field and the rod-average Nusselt number are investigated. Average Nusselt numbers for the displaced rod are calculated for rod bundles with 1.00 ≤ P/D ≤ 2.0 and 0 ≤ σ ≤ 0.8. The results for the special case of σ = 0 (i.e., for symmetrical rod bundle) show excellent agreement with those reported by Dwyer and Berry [1], who analyzed numerically the corresponding problem for symmetrical rod bundles.

Copyright © 1972 by ASME
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