Prediction of Contained Air Temperature from SAE Standard Rolling Resistance Test Data 831796

Truck tire rolling resistance, when determined through the SAE J 1379 test matrix, can be shown to predict cavity air temperature at test equilibrium. Cavity temperatures are determined with the SAE Standard test data, heat transfer relationships, and equations of state. When this method is compared to road test data, the SAE J 1379 test procedure is shown to be more precise, equally accurate, and many times faster to perform than the same test conducted on the road.


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