Heat Transfer At The Outer Surface Of A
Rotating Cylinder In The Presence Of Axial
Flows
Author(s)
R. Smyth & P. Zurita
Abstract
Heat transfer at the outer surface of a
rotating cylinder in the presence of axial
flows
R. Smyth & P. Zurita
Department of Mechanical and Process
Engineering, University of Sheffield,
f . 0. Boz #00, Moppm 6% reef,
ABSTRACT
A numerical analysis has been made of forced convection heat transfer for
axial flow of air along the outer surface of a rotating cylinder. The analysis
was two dimensional with an allowance for a swirling component of velocity
around the cylinder. The results show that an exponential law correlates the
numerical data well with an exponent of 0.8, such as is obtained for turbulent
flow past a flat plate. The results were compared with that available for cross
flow of air but it is shown that for axial flow, rotation never becomes
dominant enough to make the Nusselt number independent of the blowing
Reynolds number.
INTRODUCTION
The heat transfer at the outer surface of a rotating cylinder, both in a still
environment or in cross flow, has been
Keywords
Related Book
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