Effect of hydrogen enrichment on the combustion characteristics of a biofuel diesel engine

Pullagura, Gandhi

doi:10.9790/3021-02116

Cited by 11 publications

(2 citation statements)

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“…Further, at 60 • CA injection duration, the hydrogen gets sufficient time to mix with air leading to a more homogeneous mixture. This can lead to better combustion of the fuel combinations used [26,32,45]. Therefore, it is concluded that for 10 • ATDC hydrogen injection and 60 • CA duration with CMFIS was found to be optimum.…”

Section: Impact Of Hydrogen Start Of Injection and Its Injection Interval With A Fixed 20% Egr On The Performance Of Metp-hydrogen Fueledmentioning

confidence: 94%

“…Hence, they result in poor engine performance and emissions [23]. However, at higher loads, gaseous fuel performs better, leading to improved gaseous fuel utilization, engine performance, and higher CO level were observed in comparison with normal diesel operation [20,[24][25][26]. Researchers have reported values of 20% to 30% higher thermal efficiency with the addition of hydrogen.…”

Section: Introductionmentioning

confidence: 99%

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Hydrogen Injection in a Dual Fuel Engine Fueled with Low-Pressure Injection of Methyl Ester of Thevetia Peruviana (METP) for Diesel Engine Maintenance Application

et al. 2020

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The present work is mapped to scrutinize the consequence of biodiesel and gaseous fuel properties, and their impact on compression-ignition (CI) engine combustion and emission characteristics in single and dual fuel operation. Biodiesel prepared from non-edible oil source derived from Thevetia peruviana belonging to the plant family of Apocynaceaeis. The fuel has been referred as methyl ester of Thevetia peruviana (METP) and adopted as pilot fuel for the effective combustion of compressed gaseous fuel of hydrogen. This investigation is an effort to augment the engine performance of a biodiesel-gaseous fueled diesel engine operated under varied engine parameters. Subsequently, consequences of gas flow rate, injection timing, gas entry type, and manifold gas injection on the modified dual-fuel engine using conventional mechanical fuel injections (CMFIS) for optimum engine performance were investigated. Fuel consumption, CO, UHC, and smoke formations are spotted to be less besides higher NOx emissions compared to CMFIS operation. The fuel burning features such as ignition delay, burning interval, and variation of pressure and heat release rates with crank angle are scrutinized and compared with base fuel. Sustained research in this direction can convey practical engine technology, concerning fuel combinations in the dual fuel mode, paving the way to alternatives which counter the continued fossil fuel utilization that has detrimental impacts on the climate.

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Section: Impact Of Hydrogen Start Of Injection and Its Injection Interval With A Fixed 20% Egr On The Performance Of Metp-hydrogen Fueledmentioning

confidence: 94%