Ways of formulating wind speed in heat convection significantly influencing pavement temperature prediction |
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Authors: | Yinghong Qin Jacob E. Hiller |
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Affiliation: | 1. College of Civil Engineering and Architecture, Guangxi University, 100# University Road, Nanning, 530004, Guangxi, China 2. Department of Civil and Environmental Engineering, Michigan Technological University, 1400 Townsend Drive, 201F Dillman Hall, Houghton, MI, 49931, USA
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Abstract: | This paper investigates the influences of wind speed and of heat-convection coefficient on the temperature prediction of a slab. Numerical calculation of a slab temperature found that wind speed varies the slab temperature in a degree of 2–10 °C. More varying degrees occur at midday and in sunny day but less, at midnight and in a cloud day. These degrees also depend on the used heat-convection coefficients, which have different values in different models. Special emphases are paid to unearth the correlation between different heat convection coefficients and find the best alternative in the slab-temperature prediction. |
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