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U.S. Department of Energy
Office of Scientific and Technical Information

Dynamometer simulation of truck and bus road horsepower for transient emissions evaluations

Book ·
OSTI ID:5822612

Appropriate chassis dynamometer simulation of road power for truck tractor-trailers and buses were required for emissions evaluations. To establish such simulations, the power required to operate vehicles over a roadway (speed-power relationship) was determined for two truck tractor-trailers and one city bus. Results of these determinations, along with data reported in the literature, were used to determine the power to be absorbed by a chassis dynamometer to simulate on-road driving of trucks and buses. The chassis dynamometer is being used in the subsequent phases of this study involving emissions evaluations of heavy-duty vehicles.

OSTI ID:
5822612
Report Number(s):
TP-840349
Country of Publication:
United States
Language:
English