Demonstrating the Performance and Emission Characteristics of a Variable Compression Ratio, Alvar-Cycle Engine
Författare
Summary, in English
This paper is a direct continuation of a previous study
that addressed the performance and design of a variable
compression engine, the Alvar-Cycle Engine [1]. The
earlier study was presented at the SAE International
Conference and Exposition in Detroit during February 23-
26, 1998 as SAE paper 981027. In the present paper test
results from a single cylinder prototype are reviewed and
compared with a similar conventional engine. Efficiency
and emissions are shown as function of speed, load, and
compression ratio. The influence of residual gas on knock
characteristics is shown. The potential for high power
density through heavy supercharging is analyzed.
that addressed the performance and design of a variable
compression engine, the Alvar-Cycle Engine [1]. The
earlier study was presented at the SAE International
Conference and Exposition in Detroit during February 23-
26, 1998 as SAE paper 981027. In the present paper test
results from a single cylinder prototype are reviewed and
compared with a similar conventional engine. Efficiency
and emissions are shown as function of speed, load, and
compression ratio. The influence of residual gas on knock
characteristics is shown. The potential for high power
density through heavy supercharging is analyzed.
Avdelning/ar
Publiceringsår
1998
Språk
Engelska
Publikation/Tidskrift/Serie
SAE Technical Paper Series
Fulltext
Dokumenttyp
Konferensbidrag
Förlag
Society of Automotive Engineers
Ämne
- Other Mechanical Engineering
Nyckelord
- Variable Compression Ratio
- Combustion Engine
- Performance
- Emissions
- Alvar
Status
Published
ISBN/ISSN/Övrigt
- ISSN: 0148-7191
- SAE Technical Paper 982682