Analysis of steady forced convection in thermally developing turbulent duct flows

D.M. Brown (Laboratories for Pollution Control Technologies, College of Engineering, University of Miami, Coral Gables, Florida, USA)
C.A.C. Santos (Department of Mechanical Technology, Universidade Federal da Paraiba, Centro de Tecnologia, Cidade Universitaria, Joas Pessoa, Brazil)
R.M. Cotta (Department Mechanical Engineering ‐ EE/COPPE, Universidade Federal do Rio de Janeiro, Cidade Universitaria, Rio de Janeiro, Brazil)
S. Kakaç (Department of Mechanical Engineering, College of Engineering, University of Miami, Coral Gables, Florida, USA)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Publication date: 1 August 1997

Abstract

Presents a novel theoretical approach, based on extension of ideas associated with the generalized integral transform technique, for obtaining accurate analytic solutions for fully developed steady forced convection inside circular ducts with turbulent flow and constant wall surface temperature conditions. Within the temperature field, reports the thermal response of the fluid in terms of hybrid solutions for bulk fluid temperature and Nusselt number distributions along the thermal entrance region of the duct. Further, in assessing the accuracy and validity of the theoretical work, critically examines predicated analytical solutions of thermally developed Nusselt numbers and compares them with results from reliable empirical correlations of the open literature. For the investigated cases, satisfactory agreement prevailed between the theoretically and empirically derived heat transfer parameters, exhibiting a maximum difference of 9.58 per cent for the range of system variables analysed.

Keywords

Citation

Brown, D., Santos, C., Cotta, R. and Kakaç, S. (1997), "Analysis of steady forced convection in thermally developing turbulent duct flows", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 7 No. 5, pp. 424-437. https://doi.org/10.1108/09615539710187774

Download as .RIS

Publisher

:

MCB UP Ltd

Copyright © 1997, MCB UP Limited

Please note you might not have access to this content

You may be able to access this content by login via Shibboleth, Open Athens or with your Emerald account.
If you would like to contact us about accessing this content, click the button and fill out the form.
To rent this content from Deepdyve, please click the button.