NDLI: Analytical Solutions for Ground Temperature Profiles and Stored Energy Using Meteorological Data

Content Provider	Springer Nature Link
Author	Cleall, Peter John Muñoz Criollo, José Javier Rees, Stephen William
Copyright Year	2014
Abstract	Analytical solutions to estimate temperature with depth and stored energy within a soil column based upon readily available meteorological data are presented in this paper, which are of particular relevance in the field of ground heat extraction and storage. The transient one dimensional heat diffusion equation is solved with second kind (Neumann) boundary conditions at the base and third kind (Robin) boundary conditions, based on a heat balance, at the soil surface. In order to describe the soil-atmosphere interactions, mathematical expressions describing the daily and annual variation of solar radiation and air temperature are proposed. The presented analytical solutions are verified against a numerical solution and applied to investigate a case-study problem based upon results of a field experiment. It is shown that the proposed analytical approach can offer a reasonable estimate of the thermal behaviour of the soil requiring no information from the soil other than its thermal properties. Comparisons of predicted and measured soil temperature profiles and stored energy transients demonstrate there is reasonable overall agreement. The research contributes a practical approach that can provide surface boundary data that are vital in the thermal analysis of many engineering problems. Applications include: inter-seasonal heat transfer, energy piles and other more established ground source heat utilization methods.
Starting Page	181
Ending Page	199
Page Count	19
File Format	PDF
ISSN	01693913
Journal	Transport in Porous Media
Volume Number	106
Issue Number	1
e-ISSN	15731634
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-09-27
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Soil Stored energy Thermal Analytical Heat transfer Geotechnical Engineering & Applied Earth Sciences Industrial Chemistry/Chemical Engineering Hydrology/Water Resources Civil Engineering Hydrogeology Classical Continuum Physics
Content Type	Text
Resource Type	Article
Subject	Catalysis

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