Investigation of the effects of hydrogen on cylinder pressure in a split-injection diesel engine at heavy EGR

Shin, Buomsik; Cho, Young-Soo; Han, Daeha; Song, Soonho; Chun, Kwang Min

doi:10.1016/j.ijhydene.2011.07.050

Cited by 31 publications

(12 citation statements)

References 38 publications

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“…Some hydrogen slip was reported, particularly at light load conditions and low hydrogen concentrations. Other researchers working on light duty engines have shown similarly mixed results [6][7][8]. In some cases, a slowing of the combustion process was reported [8].…”

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confidence: 85%

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Effect of Hydrogen Fumigation in a Dual Fueled Heavy Duty Engine

Morgan

Atkins

et al. 2015

SAE Technical Paper Series

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Concerns over the impact of road transport emissions on the climate have led to increased focus on how CO2 emissions could be reduced from the sector. This is of particular concern in the commercial vehicle sector, where engine downsizing and electrification have limited benefit due to the vehicle duty cycle. In this paper, we present results from an experimental program to investigate the impact of dual fueling a heavy duty engine on hydrogen and diesel. Hydrogen is potentially a zero carbon fuel, if manufactured from renewable energy but could also be manufactured on the vehicle through steam reformation of part of the liquid fuel. This opens a novel pathway for the recovery of waste heat from the exhaust system through the endothermic steam reformation process, improving the overall system efficiency. For these concepts to be viable, it is essential the dual fueled combustion system is both thermally efficient, and does not increase toxic emissions such as NOx. The test program reported studied the impact of hydrogen injection into the engine intake system with and without Exhaust Gas Recirculation (EGR). The baseline engine was calibrated to achieve Euro VI NOx emissions with various aftertreatment strategies. The impact of displacing diesel with increased quantities of hydrogen was studied. The results are compared with a conceptual model of the hydrogen-diesel combustion process presented in the paper.

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confidence: 85%

“…Other researchers working on light duty engines have shown similarly mixed results [6][7][8]. In some cases, a slowing of the combustion process was reported [8]. This was interpreted as a delaying of the formation of OH radicals, delaying ignition and the hydrogen having a similar effect to EGR on the combustion process.…”

mentioning

confidence: 85%

Effect of Hydrogen Fumigation in a Dual Fueled Heavy Duty Engine

Morgan

Atkins

et al. 2015

SAE Technical Paper Series

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“…The hydrogen peroxide with water diesel emulsion was used by Subramanian and Ramesh [96] and found the reduction in emissions of a CI engine. The use of hydrogen with EGR in diesel engine could increase the main combustion duration and reduce the NO x emission [97].…”

Section: Hydrogen Fuelled Compression Ignition Enginesmentioning

confidence: 99%

Sustainable development of road transportation sector using hydrogen energy system

Salvi

Subramanian

2015

Renewable and Sustainable Energy Reviews

226

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“…DRS dujų savybės sumažina maksimalų cilindro slėgį ir sulėtina slėgio kilimą cilindre, tačiau esant vandenilio priedui dyzelino degimas cilindre yra toks pat, kaip degant dyzelinui be DRS sistemos. Taip įvyksta dėl didesnio energijos išsiskyrimo įpurškiant vandenilį kaip priedą į variklį (Shin et al 2011).…”

Section: įVadasunclassified

The Influence of Hydrogen Gas on the Measures of Efficiency of Diesel Internal Combustion Engine / Vandenilio Dujų Įtaka Dyzelinio Vidaus Degimo Variklio Efektyvumo Rodikliams

Latakas

Pukalskas

Rimkus

et al. 2014

Mokslas – Lietuvos Ateitis

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TransportasTransport Engineering 2014 © Straipsnio autoriai. Leidėjas VGTU leidykla "Technika". Šis straipsnis yra atvirosios prieigos straipsnis, turintis Kūrybinių bendrijų (Creative Commons) licenciją (CC BY-NC 4.0), kuri leidžia neribotą straipsnio ar jo dalių panaudą su privaloma sąlyga nurodyti autorių ir pirminį šaltinį. Straipsnis ar jo dalys negali būti naudojami komerciniams tikslams.Santrauka. Straipsnyje pateikiamas dyzelinio variklio, veikiančio su vandenilio priedu (10, 20, 30 l/min), energetinių ir ekologinių rodiklių tyrimas. Atlikus literatūros apžvalgą pastebėta, kad vandenilio dujų priedas pagerina dyzelino degimą, padidina indikatorinį slėgį, sumažina anglies dvideginio (CO 2 ), angliavandenilių (HC), kietųjų dalelių koncentraciją, sumažina degalų sąnaudas. Bandymo rezultatai parodė, kad vandenilio dujų priedas sumažino variklio indikatorinį slėgį kinetinės degimo fazės metu. CO 2 ir azoto oksidų (NO x ) koncentracija nedaug sumažėjo, HC -padidėjo. Kietųjų dalelių koncentracija variklio išmetamosiose dujose itin sumažėjo. Tiekiant vandenilio dujas kaip priedą nedaug sumažėja dyzelino sąnaudos. AVL BOOST programa atlikta degimo proceso analizė. Nustatyta, kad siekiant optimizuoti variklio darbą, naudojant vandenilio priedą, būtina reguliuoti dyzelino įpurškimo paskubos kampą.Reikšminiai žodžiai: vandenilis, išmetamosios dujos, slėginio uždegimo variklis, teršalai.

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Investigation of the effects of hydrogen on cylinder pressure in a split-injection diesel engine at heavy EGR

Cited by 31 publications

References 38 publications

Effect of Hydrogen Fumigation in a Dual Fueled Heavy Duty Engine

Effect of Hydrogen Fumigation in a Dual Fueled Heavy Duty Engine

Sustainable development of road transportation sector using hydrogen energy system

The Influence of Hydrogen Gas on the Measures of Efficiency of Diesel Internal Combustion Engine / Vandenilio Dujų Įtaka Dyzelinio Vidaus Degimo Variklio Efektyvumo Rodikliams

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