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Effects of Hydrogen-enriched LPG Fuelled Engine on Exhaust Emission and Thermal Efficiency [II]  

Kwon, T.Y. (Grad. School of Keimyung Univ.)
Kim, J.H. (Grad. School of Keimyung Univ.)
Choi, G.H. (Department of Automotive engineering, Keimyung Univ.)
Chung, Y.J. (Department of Automotive engineering, Daegu Mirae College)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.13, no.4, 2002 , pp. 297-303 More about this Journal
Abstract
The purpose of study is obtaining low-emission and high-efficiency in LPi engine with hydrogen enrichment. The test engine was named variable compression ratio single cylinder engine (VACRE). The fuel supply system provides LPG/hydrogen mixtures based on same heating value. A varied sensors such as crank shaft position sensor (CPS) and hall sensor supplies spark timing data to ignition controller. Displacement of VACRE is $1858.2cm^3$. VACRE was runned 1400rpm with compression ratio 8. Spark timing was set MBT without knocking. Relative air-fuel ratio($\lambda$) of this work was varied between 0,8 and 1.5.
Keywords
VACRE; Variable Compression Ratio Single-cylinder Engine; LPi; Liquid Propane injection; ${\lambda}$; Equivalence air-fuel ratio; Hydrogen enrichment rate;
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