Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 43, Issue 27, Pages 11969-11980Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2018.04.190
Keywords
Waste heat recovery; Thermochemical recuperation; Hydrogen; Internal combustion engine; Methanol steam reforming; Gas direct injection
Categories
Funding
- Israel Science Foundation [1728/12, 2054/17]
- Israel Ministry of Environmental Protection [133-1-5]
- Israel Ministry of National Infrastructures, Energy and Water Resources [215-11-025]
- Israel Ministry of Science, Technology and Space
- Wolfson Family Charitable Trust
- Rieger Foundation
- Grand Technion Energy Program
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The paper describes, for the first time, experimental study results of a novel direct-injection (DI) internal combustion engine (ICE) with high-pressure thermochemical recuperation (HP-TCR) fed by methanol as a primary fuel. The reported system is the first ever working prototype of ICE with HP-TCR. A detailed description of the developed novel technology, physical and chemical processes in the system is presented. HP-TCR system performance is discussed and compared to the previously published study results of the same engine fed with artificially prepared reformate from compressed gas cylinder. HPTCR demonstrates a significant improvement over the gasoline reference case with 19%-30% relative increase in indicated efficiency and reduction in NOx, CO, HC and CO2 emissions by up to 97, 91, 96 and 15%, respectively. The system performance shows a good prospect to continue the research towards an automotive-scale system development. Further performance improvement options are discussed as well. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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