Theoretical Prediction of Temperature Distributions in Airfield Runway Pavements Due to Aircraft Operationby M. Gunaratne, Tennessee State Univ, United States,
Abstract: The determination of this transient temperature distribution is important in predicting the thermal effects on pavements due to aircraft operation. In this research, heat exchange at the surface layer is modeled for three modes of heat transfer; (1) transient conduction (2) forced convection and (3) radiation. The resulting differential equation is numerically solved to obtain the spatial and temporal distribution of temperature in the pavement. Application of the model is illustrated by predicting the temperature distribution within flexible and rigid pavements at a given time for a known aircraft speed. The differences between the temperature gradients of the two pavement types do not seem to be very significant.
Subject Headings: Temperature distribution | Airport and airfield pavements | Asphalt pavements | Concrete pavements | Aircraft and spacecraft | Transient response | Heat transfer
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