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Numerical Study on the Surface Convective Heat Transfer of Mass Concrete Structure

The surface convective heat transfer of mass concrete is an important element of concrete structure temperature effect analysis. Based on coupled Thermal Fluid governing differential equation and finite element method, the paper calculated and analyzed the dependence of the concrete surface convecti... Full description

Journal Title: Applied Mechanics and Materials 2015, Vol.723, pp.992-995
Main Author: Li, Biao
Other Authors: Tong, Fu Guo , Liu, Chang , Xi, Nian Nian
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1660-9336 ; E-ISSN: 1662-7482 ; DOI: 10.4028/www.scientific.net/AMM.723.992
Link: http://www.scientific.net/AMM.723.992
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recordid: transtech10.4028/www.scientific.net/AMM.723.992
title: Numerical Study on the Surface Convective Heat Transfer of Mass Concrete Structure
format: Article
creator:
  • Li, Biao
  • Tong, Fu Guo
  • Liu, Chang
  • Xi, Nian Nian
subjects:
  • Widerstandskoeffizient
  • Windkanal
  • Gasdruckversuch
  • Druck (Mechanik)
  • Gebäude
  • Grenzschicht
  • Experimentalanalyse
  • Direktmessung
  • Ventilation
  • Druckzahl
  • Flächenpressung
  • Morphologie
  • Experimentelle Untersuchung
  • Rauigkeit
  • Engineering
ispartof: Applied Mechanics and Materials, 2015, Vol.723, pp.992-995
description: The surface convective heat transfer of mass concrete is an important element of concrete structure temperature effect analysis. Based on coupled Thermal Fluid governing differential equation and finite element method, the paper calculated and analyzed the dependence of the concrete surface convective heat transfer on the air flow velocity and the concrete thermal conductivity coefficient. Results show that the surface convective heat transfer coefficient of concrete is a quadratic polynomial function of the air flow velocity, but influenced much less by the air flow velocity when temperature gradient is dominating in heat transfer. The concrete surface convective heat transfer coefficient increases linearly with the thermal conductivity of concrete increases.
language: eng
source:
identifier: ISSN: 1660-9336 ; E-ISSN: 1662-7482 ; DOI: 10.4028/www.scientific.net/AMM.723.992
fulltext: fulltext
issn:
  • 1660-9336
  • 1662-7482
  • 16609336
  • 16627482
url: Link


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descriptionThe surface convective heat transfer of mass concrete is an important element of concrete structure temperature effect analysis. Based on coupled Thermal Fluid governing differential equation and finite element method, the paper calculated and analyzed the dependence of the concrete surface convective heat transfer on the air flow velocity and the concrete thermal conductivity coefficient. Results show that the surface convective heat transfer coefficient of concrete is a quadratic polynomial function of the air flow velocity, but influenced much less by the air flow velocity when temperature gradient is dominating in heat transfer. The concrete surface convective heat transfer coefficient increases linearly with the thermal conductivity of concrete increases.
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subjectWiderstandskoeffizient ; Windkanal ; Gasdruckversuch ; Druck (Mechanik) ; Gebäude ; Grenzschicht ; Experimentalanalyse ; Direktmessung ; Ventilation ; Druckzahl ; Flächenpressung ; Morphologie ; Experimentelle Untersuchung ; Rauigkeit ; Engineering;
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descriptionThe surface convective heat transfer of mass concrete is an important element of concrete structure temperature effect analysis. Based on coupled Thermal Fluid governing differential equation and finite element method, the paper calculated and analyzed the dependence of the concrete surface convective heat transfer on the air flow velocity and the concrete thermal conductivity coefficient. Results show that the surface convective heat transfer coefficient of concrete is a quadratic polynomial function of the air flow velocity, but influenced much less by the air flow velocity when temperature gradient is dominating in heat transfer. The concrete surface convective heat transfer coefficient increases linearly with the thermal conductivity of concrete increases.
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abstractThe surface convective heat transfer of mass concrete is an important element of concrete structure temperature effect analysis. Based on coupled Thermal Fluid governing differential equation and finite element method, the paper calculated and analyzed the dependence of the concrete surface convective heat transfer on the air flow velocity and the concrete thermal conductivity coefficient. Results show that the surface convective heat transfer coefficient of concrete is a quadratic polynomial function of the air flow velocity, but influenced much less by the air flow velocity when temperature gradient is dominating in heat transfer. The concrete surface convective heat transfer coefficient increases linearly with the thermal conductivity of concrete increases.
pubTrans Tech Publications
doi10.1016/j.jweia.2014.11.015
pages14-24
isbn9783038353874
date2015-03-04