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An Investigation of Combustion and EmissionCharacteristics in Heavy-Duty Hydrogen-CNG Engine  

LIM, H.S. (Grad. School of Sungkyunkwan Univ.)
KIM, Y.Y. (Grad. School of Sungkyunkwan Univ.)
LEE, J.T. (School of Mechanical Engineering, Sungkyunkwan Univ.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.14, no.3, 2003 , pp. 276-282 More about this Journal
Abstract
A hydrogen enriched CNG engine can be stably operated at ultra lean condition and reduce emission extremely. It also has advantage to increase gradually the use of hydrogen for the coming hydrogen-energy age. In this studies, the combustion and emission characteristics of heavy-duty hydrogen-CNG engine were investigated to verify the enhancement of performance by enriched hydrogen into natural gas. The results showed that a hydrogen-CNG engine could achieve ultra lean operation and low emission, while power was reduced by the decrease of intake air flow.
Keywords
Heavy-duty Hydrogen-CNG engine; Ultra leanburn; COVimep; Low emission; Enriched hydrogen gas;
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