Rubber Emissivity and the Thermal State of Tires

Abstract An experimental procedure is described for obtaining accurate values of emissivity for materials of low thermal conductivity such as rubber. This procedure is then used to obtain data for the emissivity of tire tread, white sidewall, black sidewall, and inner‐liner surfaces. The significance of these results to infrared (IR) temperature measurement and to the analytical modeling of the thermal state of a tire is discussed.