Research and Development of a Hydrogen-Fueled Engine for Hybrid Electric Vehicles

Paper #:
  • 2000-01-0993

Published:
  • 2000-03-06
Citation:
Nakajima, Y., Yamane, K., Shudo, T., Hiruma, M. et al., "Research and Development of a Hydrogen-Fueled Engine for Hybrid Electric Vehicles," SAE Technical Paper 2000-01-0993, 2000, https://doi.org/10.4271/2000-01-0993.
Pages:
7
Abstract:
Hybrid electric vehicle with internal combustion engine fueled with hydrogen can be a competitor to the fuel cell electric vehicle that is thought to be the ultimately clean and efficient vehicle. The objective in this research is to pursue higher thermal efficiency and lower exhaust emissions in a hydrogen-fueled engine for the series type hybrid vehicle system. Influences of compression ratio, surface / volume ratio of combustion chamber, and boost pressure on thermal efficiency and exhaust emissions were analyzed.Results showed that reduction of the surface / volume ratio by increased cylinder bore was effective to improve indicated thermal efficiency, and it was possible to achieve 44% of indicated thermal efficiency. However, brake thermal efficiency resulted in 35.5%. It is considered that an improved mechanical efficiency by an optimized engine design could increase the brake thermal efficiency largely. In hydrogen-fueled engine, the highest thermal efficiency was obtained in lean mixture condition with excess air ratio around 2.5. NOx emission in the condition was less than 10ppm.It was cleared that high thermal efficiency and low NOx exhaust emission can be achieved simultaneously in a hydrogen-fueled engine operated in conditions for series type hybrid electric vehicles.
Access
Now
SAE MOBILUS Subscriber? You may already have access.
Buy
Select
Price
List
Download
$27.00
Mail
$27.00
Members save up to 40% off list price.
Share
HTML for Linking to Page
Page URL

Related Items

Technical Paper / Journal Article
2014-04-01