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A Fea/Cfd Study Of Heat Transfer To Semi-Trailer Disc Brake Wheel-End Components During A Braking Event, Justin P. Fisher
A Fea/Cfd Study Of Heat Transfer To Semi-Trailer Disc Brake Wheel-End Components During A Braking Event, Justin P. Fisher
Masters Theses
Foundation air disc brakes bring Class 8 semi-trailers to a stop by converting kinetic energy into thermal energy. Recently, side skirts have been added to the underside of semi-trailers to improve fuel economy. The reduction in airflow under the trailer they create has potential to increase brake temperatures by reducing convection heat transfer. This will require an increase in conduction and radiation heat transfer to the surrounding wheel-end parts. Additional heat transfer to the surrounding parts could increase the temperatures in the hub and bearing to damaging levels.
CFD analyses were developed to model the airflow under the semi-trailer with …