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Shape factor for an underground vertical infinite cylindrical structure
Author(s) -
Sodha M. S.,
Sawhney R. L.,
Sengupta A.
Publication year - 1994
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.4440180403
Subject(s) - shape factor , transcendental equation , thermal conduction , radius , convergence (economics) , radius of convergence , mathematical analysis , mathematics , mechanics , geometry , physics , heat transfer , structure factor , numerical analysis , thermodynamics , condensed matter physics , computer science , computer security , economics , economic growth , power series
An analysis for steady‐state heat transfer between an underground vertical infinite cylindrical structure and ground is presented, and is used as a direct method to evaluate conduction shape factor for the structure. Numerical values of the shape factor have been determined after solving the transcendental equation involved here, subject to some valid approximation, and found to converge to a finite value. The convergence has also been verified by studying the numerical values of the shape factor for different length:radius ratio of the cylindrical structure and the result is convincing.