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B.W. Scotney* and G.F. Crawford#

*School of Information and Software Engineering, University of Ulster at Coleraine, UK
#School of Computing and Mathematics, University of Ulster at Jordanstown, UK

doi:10.4203/ccp.30.9.3

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B.W. Scotney, G.F. Crawford, "A Computational Model for Road Surface Temperature Prediction", in B.H.V. Topping, (Editor), "Developments in Computer Aided Design and Modelling for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 227-236, 1995. doi:10.4203/ccp.30.9.3

Abstract

A model is developed to predict overnight road surface temperatures (RST). The Galerkin finite element method is used to solve the Fourier equation of thermal conductivity vertically downwards in a road bed. The upper boundary condition is based on the incoming energy flux. This flux is influenced by many factors - this model considers the radiation and turbulent transfer factors only. These are calculated using similar physical schemes to the present Meteorological Office model, but the scheme for calculating attenuation of solar radiation due to cloud is extensively modified to account for different cloud types. This new model is compared with actual road surface temperature data, and statistical analysis of the results are discussed.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 30 DEVELOPMENTS IN COMPUTER AIDED DESIGN AND MODELLING FOR CIVIL ENGINEERING Edited by: B.H.V. Topping Paper IX.3 A Computational Model for Road Surface Temperature Prediction B.W. Scotney* and G.F. Crawford# *School of Information and Software Engineering, University of Ulster at Coleraine, UK #School of Computing and Mathematics, University of Ulster at Jordanstown, UK doi:10.4203/ccp.30.9.3 purchase the full-text of this paper Full Bibliographic Reference for this paper B.W. Scotney, G.F. Crawford, "A Computational Model for Road Surface Temperature Prediction", in B.H.V. Topping, (Editor), "Developments in Computer Aided Design and Modelling for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 227-236, 1995. doi:10.4203/ccp.30.9.3 Abstract A model is developed to predict overnight road surface temperatures (RST). The Galerkin finite element method is used to solve the Fourier equation of thermal conductivity vertically downwards in a road bed. The upper boundary condition is based on the incoming energy flux. This flux is influenced by many factors - this model considers the radiation and turbulent transfer factors only. These are calculated using similar physical schemes to the present Meteorological Office model, but the scheme for calculating attenuation of solar radiation due to cloud is extensively modified to account for different cloud types. This new model is compared with actual road surface temperature data, and statistical analysis of the results are discussed. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £60 +P&P)
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