2023
DOI: 10.4271/2023-01-0227
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Knock Inhibition in Hydrogen Fueled Argon Power Cycle Engine with a Higher Compression Ratio by Water Direct Injection at Late Exhaust Stroke

Abstract: <div class="section abstract"><div class="htmlview paragraph">Hydrogen-fueled Argon Power Cycle engine is a novel concept for high efficiency and zero emissions, which replaces air with argon/oxygen mixtures as working fluid. However, one major challenge is severe knock caused by elevated in-cylinder temperature resulting from high specific heat ratio of Argon. A typical knock-limited compression ratio is around 5.5:1, which limits the thermal efficiency of Argon Power Cycle engines. In this articl… Show more

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Cited by 7 publications
(1 citation statement)
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“…The APC hydrogen engine boundaries were evaluated by the extreme values of five parameters, i.e., maximum compression ratio, maximum speed, minimum equivalence ratio under stable working conditions, maximum ITEg, and maximum IMEPg. Unfortunately, some parameters were not revealed in the previous studies, e.g., the minimum equivalence ratio under stable working conditions of De Boer and Ikegami, the maximum IMEPg of Kuroki, and the engine speed of Cech [6,7,10,11,[15][16][17].…”
Section: Analysis Of the Apc Hydrogen Engine Boundaries' Expansionmentioning
confidence: 99%
“…The APC hydrogen engine boundaries were evaluated by the extreme values of five parameters, i.e., maximum compression ratio, maximum speed, minimum equivalence ratio under stable working conditions, maximum ITEg, and maximum IMEPg. Unfortunately, some parameters were not revealed in the previous studies, e.g., the minimum equivalence ratio under stable working conditions of De Boer and Ikegami, the maximum IMEPg of Kuroki, and the engine speed of Cech [6,7,10,11,[15][16][17].…”
Section: Analysis Of the Apc Hydrogen Engine Boundaries' Expansionmentioning
confidence: 99%