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Title: Alterações nos Gradientes de Temperatura Provocadas por circulação de Água no Solo
Authors: Duque, Maria Rosa Alves
Malico, Isabel
Editors: Zurutuza, Joaquin
Keywords: Fluxo de calor
Circulação de água
Condutividade térmica
Fontes de calor
Issue Date: 2013
Publisher: J. Zurutuza
Citation: Duque,M.R. e Malico,I (2013).Alterações nos Gradientes de Temperatura Provocadas por circulação de Água no Solo.Proceedings da 7ª Asamblea Hispano-Portuguesa de Geodesia e Geofisica, Editor J. Zurutuza, Donostia-San Sebastian,2012, ISBN 978-84-941323-1-5, pp663-666.
Abstract: The heat flow density data published in the geothermal Atlas of Europe(1992) show relatively high values for temperature gradients and for thermal conductivity obtained in the SW area of the Iberian Peninsula . In the first part of this study we explain how an anomalous value of thermal conductivity or heat production value can influence heat flow density values. In the second part we try to explain the anomalous values based in the presence of water at relatively high temperatures outside the holes where the measurements were made, and the inclination of strata, derived from samples taken from the boreholes. We used a two-dimensional numerical model based on the finite volume method. Equations governing the transfer of energy by conduction, advection and fluid flow, were solved. The heat flow density value considered for the region is 60 mw m-2. The results obtained are compared with those published.
ISBN: 978-84-941323-1-5
Type: article
Appears in Collections:FIS - Artigos em Livros de Actas/Proceedings

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