Road Bus Heat Loads Numerical and Experimental Evaluation

Paper #:
  • 971825

Published:
  • 1997-05-19
Citation:
Stancato, F. and Onusic, H., "Road Bus Heat Loads Numerical and Experimental Evaluation," SAE Technical Paper 971825, 1997, https://doi.org/10.4271/971825.
Pages:
10
Abstract:
A mathematical simulation model was developed to calculate the cooling loads in a cab. The cooling loads calculations are described: Solar irradiation through glasses, conduction through the body walls and glasses, conduction through motor compartment, fresh air intake/infiltrations, people and equipments. Fields experiments were conducted to evaluate the conduction through walls and glasses and the total cooling load models. Precision less than 5% was gotten between experimental measurements and model results. In the summer situation, studies about the effects of the cab orientation, the time, the external paint and the tint of the glasses in changing the conduction and solar radiation cooling loads, were conducted. Cab orientation and the time can change this cooling loads by 225%. Variation by 30% was gotten from different paints and glasses.
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