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Energy Efficiency Analysis between In-cylinder and External Supplemental Fuel Strategies
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 16, 2007 by SAE International in United States
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Preliminary empirical and modeling analyses are conducted to evaluate the energy efficiency of in-cylinder and external fuel injection strategies and their impact on the energy required to enable diesel particulate filter (DPF) regeneration for instance. During the tests, a thermal wave that is generated from the engine propagates along the exhaust pipe to the DPF substrate. The thermal response of the exhaust system is recorded with the thermocouple arrays embedded in the exhaust system. To implement the external fuel injection, an array of thermocouples and pressure sensors in the DPF provide the necessary feedback to the control system. The external fuel injection is dynamically adjusted based on the thermal response of the DPF substrate to improve the thermal management and to reduce the supplemental energy. This research intends to quantify the effectiveness of the supplemental energy utilization on aftertreatment enabling.
CitationAsad, U., Banerjee, S., Reader, G., Wang, M. et al., "Energy Efficiency Analysis between In-cylinder and External Supplemental Fuel Strategies," SAE Technical Paper 2007-01-1125, 2007, https://doi.org/10.4271/2007-01-1125.
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