2021
DOI: 10.1002/ente.202100198
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On Direct Injection of Supercritical Water into Spark Ignition Engines as a Strategy for Heat Recovery

Abstract: A novel heat recovery strategy for internal combustion engines is proposed. The aim is to recover thermal energy from the engine exhaust gases and through cylinder walls to heat pressurized water to supercritical conditions and to directly inject such supercritical water into the combustion chamber. Herein, this strategy is applied to a spark ignition, four‐stroke, port fuel injection engine. An in‐house solver, which includes a heat exchanger model, has been developed to conduct numerical simulations of the a… Show more

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Cited by 2 publications
(1 citation statement)
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“…Exhaust Gas Recirculation (EGR) is a widely used strategy to improve thermal efficiency and increase fuel economy [2]. More innovative technologies to recover exhaust gas energy are currently under investigation [3][4]. Besides, researchers are also investigating engines with new combustion strategies, such as Homogeneous Charge Compression Ignition (HCCI) engines.…”
Section: Introductionmentioning
confidence: 99%
“…Exhaust Gas Recirculation (EGR) is a widely used strategy to improve thermal efficiency and increase fuel economy [2]. More innovative technologies to recover exhaust gas energy are currently under investigation [3][4]. Besides, researchers are also investigating engines with new combustion strategies, such as Homogeneous Charge Compression Ignition (HCCI) engines.…”
Section: Introductionmentioning
confidence: 99%