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ISSN Online: 2377-424X

ISBN Print: 0-85295-345-3

International Heat Transfer Conference 10
August, 14-18, 1994, Brighton, UK

TRANSIENT MIXED CONVECTION IN A VERTICAL PIPE FLOW WITH INLET TEMPERATURE STEP

Get access (open in a dialog) DOI: 10.1615/IHTC10.3440
pages 579-584

Аннотация

A numerical study is described for the transient laminar combined free and forced convection in a vertical downward pipe flow. The situations investigated in this paper involve the case of a fixed flow rate with constant temperature at the entrance of the duct, then a sudden change of the fluid temperature is imposed in the upflow. The cases of positive and negative steps are studied. The comparison of these two situations shows a strong difference on the streamwise velocity profile and the wall temperature.