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Modeling the cooling of concrete by piped water / Myers, T. G. in Journal of engineering mechanics, Vol. 135 N° 12 (Décembre 2009) 

Public ISBD [article]  in Journal of engineering mechanics > Vol. 135 N° 12 (Décembre 2009) . - pp. 1375-1383 Titre : Modeling the cooling of concrete by piped water Type de document : texte imprimé Auteurs : Myers, T. G., Auteur ; Fowkes, N. D., Auteur ; Ballim, Y., Auteur Article en page(s) : pp. 1375-1383 Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Concrete  Pipe  flow  Thermal  analysis  Mathematical  models  Cooling. Résumé : Piped water is used to remove hydration heat from concrete blocks during construction. In this paper we develop an approximate model for this process. The problem reduces to solving a one-dimensional heat equation in the concrete, coupled with a first order differential equation for the water temperature. Numerical results are presented and the effect of varying model parameters shown. An analytical solution is also provided for a steady-state constant heat generation model. This helps highlight the dependence on certain parameters and can therefore provide an aid in the design of cooling systems. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/vsearch/servlet/VerityServlet?KEY=JENMDT&smode=strres [...] [article] Modeling the cooling of concrete by piped water [texte imprimé] / Myers, T. G., Auteur ; Fowkes, N. D., Auteur ; Ballim, Y., Auteur . - pp. 1375-1383. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 135 N° 12 (Décembre 2009) . - pp. 1375-1383 Mots-clés : Concrete  Pipe  flow  Thermal  analysis  Mathematical  models  Cooling. Résumé : Piped water is used to remove hydration heat from concrete blocks during construction. In this paper we develop an approximate model for this process. The problem reduces to solving a one-dimensional heat equation in the concrete, coupled with a first order differential equation for the water temperature. Numerical results are presented and the effect of varying model parameters shown. An analytical solution is also provided for a steady-state constant heat generation model. This helps highlight the dependence on certain parameters and can therefore provide an aid in the design of cooling systems. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/vsearch/servlet/VerityServlet?KEY=JENMDT&smode=strres [...]