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This paper describes the development of a transient engine test facility for drive cycle simulation and emissions and performance testing. Results are presented to demonstrate correlation with vehicle tests performed on chassis rolls. The tools and techniques developed in the work are discussed.

This paper presents engine performance and emission results that demonstrate a high degree of correlation between tests performed on a transient engine dynamometer with simulated vehicle characteristics, and test performed on a chassis rolls with a vehicle. The transient testing methodology that has been developed is being used to underpin the transfer of vehicle calibration activity to the testbed.