An Analytical Solution to Transient Heat Conduction in a Composite Region With a Cylindrical Heat Source

[+] Author and Article Information
Yian Gu, D. L. O’Neal

Energy Systems Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843

J. Sol. Energy Eng 117(3), 242-248 (Aug 01, 1995) (7 pages) doi:10.1115/1.2847813 History: Received July 01, 1994; Revised April 01, 1995; Online February 14, 2008


An approximate analytical solution to the transient heat-conduction problem in a large composite region with an internal cylindrical source is presented. The generalized orthogonal expansion technique is utilized in deriving the solution. Such problems are encountered in the design or simulation of the ground-coupled heat exchangers used in ground-coupled heat pumps. Solutions are presented for the nondimensional temperature as a function of the ratios of the thermal conductivities and thermal diffusivities of the two materials in the layers. To verify the correctness of the solution, comparisons are made between the two-layer composite solution and the classical homogeneous cylindrical source solution and a finite difference solution.

Copyright © 1995 by The American Society of Mechanical Engineers
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