Unsteady thermal entrance heat transfer of laminar power law flow in annuli
作者:
Sun‐Yuan Tsay,
Chiug‐Chin Huang,
期刊:
Journal of the Chinese Institute of Engineers
(Taylor Available online 1982)
卷期:
Volume 5,
issue 2
页码: 85-91
ISSN:0253-3839
年代: 1982
DOI:10.1080/02533839.1982.9676694
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The unsteady and steady state Graetz problems of the developed laminar annular flow of non‐Newtonian power law fluid with constant wall temperature are studied by instant‐local similarity method and local similarity method, respectively. The approximate solution is very accurate for small axial distance and small time. The effects of the ratio of radius, viscous dissipation and flow index on the heat transfer rate are demonstrated with numerical solutions.
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