Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10232
Title: Combustion, performance and emissions of ULSD, PME and B50 fueled multi-cylinder diesel engine with naturally aspirated hydrogen
Authors: Zhou, JH
Cheung, CS 
Leung, CW 
Keywords: Combustion
Diesel engine
Emissions
Hydrogen
Performance
Issue Date: 2013
Publisher: Pergamon Press
Source: International journal of hydrogen energy, 2013, v. 38, no. 34, p. 14837-14848 How to cite?
Journal: International journal of hydrogen energy 
Abstract: An experimental study was conducted on a diesel engine fueled with ultra-low sulfur diesel (ULSD), palm methyl ester (PME), a blended fuel containing 50% by volume each of the ULSD and PME, and naturally aspirated hydrogen, at an engine speed of 1800 rev min-1 under five loads. Hydrogen was added to provide 10% and 20% of the total fuel energy. The following results are obtained with hydrogen addition. There is little change in peak in-cylinder pressure and peak heat release rate. The influence on fuel consumption and brake thermal efficiency is engine load and fuel dependent; being negative for the three liquid fuels at low engine loads but positive for ULSD and B50 and negligible for PME at medium-to-high loads. CO and CO 2 emissions decrease. HC decreases at medium-to-high loads, but increases at low loads. NOx emission increases for PME only but NO2 increases for the three liquid fuels. Smoke opacity, particle mass and number concentrations are all reduced for the three liquid fuels.
URI: http://hdl.handle.net/10397/10232
ISSN: 0360-3199
EISSN: 1879-3487
DOI: 10.1016/j.ijhydene.2013.08.128
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