Highway Fuel Economy Testing of an RCCI Series Hybrid Vehicle

Paper #:
  • 2015-01-0837

Published:
  • 2015-04-14
Citation:
Hanson, R., Spannbauer, S., Gross, C., Reitz, R. et al., "Highway Fuel Economy Testing of an RCCI Series Hybrid Vehicle," SAE Technical Paper 2015-01-0837, 2015, https://doi.org/10.4271/2015-01-0837.
Pages:
11
Abstract:
In the current work, a series-hybrid vehicle has been constructed that utilizes a dual-fuel, Reactivity Controlled Compression Ignition (RCCI) engine. The vehicle is a 2009 Saturn Vue chassis and a 1.9L turbo-diesel engine converted to operate with low temperature RCCI combustion. The engine is coupled to a 90 kW AC motor, acting as an electrical generator to charge a 14.1 kW-hr lithium-ion traction battery pack, which powers the rear wheels by a 75 kW drive motor.Full vehicle testing was conducted on chassis dynamometers at the Vehicle Emissions Research Laboratory at Ford Motor Company and at the Vehicle Research Laboratory at Oak Ridge National Laboratory. For this work, the US Environmental Protection Agency Highway Fuel Economy Test was performed using commercially available gasoline and ultra-low sulfur diesel. Fuel economy and emissions data were recorded over the specified test cycle and calculated based on the fuel properties and the high-voltage battery energy usage.The results were used to provide estimates of fuel economy and emissions performance with comparisons to a commercially available hybrid vehicle. The estimates also provide guidelines for system improvements to further increase the vehicle performance.
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