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Heat transfer in a round tube with sinusoidal wall heat flux distribution

✍ Scribed by Chia-Jung Hsu

Publisher
American Institute of Chemical Engineers
Year
1965
Tongue
English
Weight
556 KB
Volume
11
Category
Article
ISSN
0001-1541

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✦ Synopsis

Sufficiently accurate values of first twenty eigenvalues, eigenfunctions R, ( l ) , and the COefficients for series expansion, as well as asymptotic expressions for these quantities, have been obtained for heat (or mass) transfer to fully developed laminar flow inside a round tube with uniform wall heat (or mass) flux. The first ten eigenfunctions are shown graphically for the radius range 0 4 r/ro 4 1. These quantities are used to calculate the Nusselt numbers for sinusoidal wall heat flux distribution and are compared with the corresponding slug flow Nusselt numbers. most approximate methods ( 2 , 3, 4). For example, in the use of the proposed method in the design of conventional columns, two of the inputs consist of the ranges of the Vol. 11, No. 4

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