Fuel consumption and emission of SI engine fueled withH2-enriched gasoline
Hacohen, Y.
Sher, E.
Dept. of Mech. Eng., Ben-Gurion Univ. of the Negev, Beer Sheva;
This paper appears in: Energy Conversion Engineering Conference, 1989. IECEC-89., Proceedings of the 24th Intersociety
Publication Date: 6-11 Aug 1989
On page(s): 2485-2490 vol.5
Meeting Date: 08/06/1989 - 08/11/1989
Location: Washington, DC, USA
References Cited: 16
INSPEC Accession Number: 3676914
Digital Object Identifier: 10.1109/IECEC.1989.74823
Current Version Published: 2002-08-06
Abstract
A study of the effect of the amount of hydrogen on the fuel
consumption and emission of a spark ignition (SI) engine is reported. In
the first stage, dynamometer test results for a wide range of engine
speeds, engine loads, equivalence ratio, and hydrogen enrichment under
steady-state operation were obtained, and the engine requirements for
minimum BSFC were specified. In the second stage, an onboard, online
hydrogen generator was developed and employed to provide the required
amount of hydrogen. The hydrogen was produced by a steam reforming
process. A detailed model for simulating a spark ignition engine fueled
with hydrogen-enriched gasoline was developed and used to predict the
optimal amount of hydrogen supplement as well as the corresponding MBT,
optimal throttle position, and emissions level of CO, HC, and NOx
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