Analysis of engine characteristics and emissions fueled by in-situ mixing of small amount of hydrogen in CNG

Mohammed, S.E.L. and Baharom, M.B. and Aziz, A.R.A. (2011) Analysis of engine characteristics and emissions fueled by in-situ mixing of small amount of hydrogen in CNG. International Journal of Hydrogen Energy, 36 (6). pp. 4029-4037. ISSN 03603199

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Abstract

The performance and emission of a CNG-DI and spark-ignition engine when a small amount of hydrogen is added to the CNG using in-situ mixing is studied. The injection timing was set to 300° BTDC, the air - fuel ratio was kept at stoichiometric, and the ignition timing was adjusted to obtain the maximum brake torque. The experiments were performed at 2000, 3000, and 4000 rpm of engine speeds with each operating at WOT conditions. The introduction of a small amount of hydrogen had improved the engine performance, Brake Specific Energy Consumption (BSEC), and cylinder pressures as well as emissions at low engine speed. © 2010, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

Item Type: Article
Additional Information: cited By 45
Uncontrolled Keywords: Air fuel ratios; Cylinder pressures; Emissions; Engine performance; Engine speed; Ignition timing; In-situ; Injection timing; Maximum brake torques; Performance and emissions; Spark ignition engines; Specific energy consumption, Brakes; Energy resources; Energy utilization; Engine cylinders; Engines; Gas emissions; Hydrogen; Ignition; Machine design; Mixing, Compressed natural gas
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:50
Last Modified: 09 Nov 2023 15:50
URI: https://khub.utp.edu.my/scholars/id/eprint/2235

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