Natural Convection Along Slender Vertical Cylinders With Variable Surface Temperature

[+] Author and Article Information
H. R. Lee, T. S. Chen, B. F. Armaly

Department of Mechanical and Aerospace Engineering, University of Missouri-Rolla, Rolla, MO 65401

J. Heat Transfer 110(1), 103-108 (Feb 01, 1988) (6 pages) doi:10.1115/1.3250439 History: Received November 18, 1986; Online October 20, 2009


Natural convection in laminar boundary layers along slender vertical cylinders is analyzed for the situation in which the wall temperature Tw (x) varies arbitrarily with the axial coordinate x. The governing boundary layer equations along with the boundary conditions are first cast into a dimensionless form by a nonsimilar transformation and the resulting system of equations is then solved by a finite difference method in conjunction with the cubic spline interpolation technique. As an example, numerical results were obtained for the case of Tw (x) = T∞ + axn , a power-law wall temperature variation. They cover Prandtl numbers of 0.1, 0.7, 7, and 100 over a wide range of values of the surface curvature parameter. Representative local Nusselt number as well as velocity and temperature profiles are presented. Correlation equations for the local and average Nusselt numbers are also given.

Copyright © 1988 by ASME
Your Session has timed out. Please sign back in to continue.





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