The hydrogen-fueled internal combustion engine: a technical review

Department

Mechanical Engineering

Document Type

Article

Publication Title

International Journal of Hydrogen Energy

ISSN

0360-3199

Volume

31

Issue

10

DOI

10.1016/j.ijhydene.2005.12.001

First Page

1292

Last Page

1305

Publication Date

8-1-2006

Abstract

A review is given of contemporary research on the hydrogen-fueled internal combustion engine. The emphasis is on light- to medium-duty engine research. We first describe hydrogen-engine fundamentals by examining the engine-specific properties of hydrogen and surveying the existing literature. Here it will be shown that, due to low volumetric efficiencies and frequent preignition combustion events, the power densities of premixed or port-fuel-injected hydrogen engines are diminished relative to gasoline-fueled engines. Significant progress has been made in the development of advanced hydrogen engines with improved power densities. We discuss several examples and their salient features. Finally, we consider the overall progress made and provide suggestions for future work. © 2006 International Association for Hydrogen Energy.

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