0
RESEARCH PAPERS

Heat Transfer Due to Combined Free and Forced Convection in a Horizontal and Isothermal Tube

[+] Author and Article Information
C. A. Depew

Department of Mechanical Engineering, University of Washington, Seattle, Wash.

S. E. August

Humble Pipe Line Co., Houston, Texas

J. Heat Transfer 93(4), 380-384 (Nov 01, 1971) (5 pages) doi:10.1115/1.3449834 History: Received October 16, 1970; Online August 11, 2010

Abstract

The influence of natural convection due to buoyancy has been studied both experimentally and analytically for many cases, but the existing correlations are not accurate for horizontal, isothermal tube flow when the heated length is relatively short. The research reported in this paper was undertaken to alleviate this shortcoming by deriving a correlation to include new experimental data on a tube with L/D = 28.4. The experimental data from this and other investigations represents a variety of fluids, heating and cooling, and various apparatus and conditions. The equation which correlates the present and previous data to within ±40 percent is

Nuaμwμb0.14=1.75[Gz
  +0.12(Gz Gr1/3Pr0.36)0.88]1/3

Copyright © 1971 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In