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Demonstrating the Performance and Emission Characteristics of a Variable Compression Ratio, Alvar-Cycle Engine

In English

Författare

  • Olof Erlandsson
  • Gunnar Lundholm
  • Fredrik Söderberg
  • Bengt Johansson
  • Victor W. Wong

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.

Publiceringsår

1998

Språk

Engelska

Publikation/Tidskrift/Serie

SAE Technical Paper Series

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