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Alternative Fuels DISI Engine Research ? Autoignition Metrics (Technical Report) | OSTIGOV


Improved engine efficiency is required to comply with future fuel economy standards. Alternative fuels have the potential to enable more efficient engines while addressing concerns about energy security. This project contributes to the science base needed by industry to develop highly efficient direct injection spark igniton (DISI) engines that also beneficially exploit the different properties of alternative fuels. Here, the emphasis is on quantifying autoignition behavior for a range of spark-ignited engine conditions, including directly injected boosted conditions. The efficiency of stoichiometrically operated spark ignition engines is often limited by fuel-oxidizer end-gas autoignition, which can result in engine knock. A fuel’s knock resistance is assessed empirically by the Research Octane Number (RON) and Motor Octane Number (MON) tests. By clarifying how these two tests relate to the autoignition behavior of conventional and alternative fuel formulations, fuel design guidelines......

【关 键 词】: Alternative Fuels DISI Engine Research ? Autoignition Metrics (Technical Report) | OSTIGOV
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【上篇论文】: 外军国防科技报告 - Corrective Action Management Unit Report of Post-Closure Care Activities Calendar Year 2017 (Technical Report) | OSTIGOV
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