U. S. Army Workshop on Low Heat Rejection Engines (4th)

Abstract

The paper describes the basic principles underlying the operation of low heat loss engines, and the magnitude of the efficiency improvements which are theoretically achievable. The effect of varying degrees of thermal insulation on various operating parameters is examined in some detail, as is the relationship between degree of insulation and ceramic coating thickness. The effect on ceramic materials of severe surface temperature oscillations and the resultant thermal stress gradients is also discussed. In the following section, the paper describes methods of construction adopted both for ceramic inserts and coatings, and rig tests for the assessment of thermal fatigue under both load and firing cycling. The paper does not attempt to draw any general conclusions. Keywords: Ceramics; Internal combustion engines.

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Document Details

Document Type
Technical Report
Publication Date
Mar 31, 1989
Accession Number
ADA212379

Entities

People

  • A. R. Lansdown
  • Duncan Dowson
  • F. J. Wallace
  • H. Reiter
  • R. A. Wordsworth
  • W. Alexander

Organizations

  • University of Leeds

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Ceramic Materials
  • Chemical Reactions
  • Coatings
  • Combustion
  • Combustion Chambers
  • Construction
  • Engine Components
  • Friction
  • Heat Loss
  • Heat Transfer
  • Lubrication
  • Materials
  • Materials Testing
  • Mechanical Engineering
  • Mechanical Properties
  • Surface Temperature
  • Temperature Gradients

Readers

  • Reinforced Composite Materials
  • Systems Analysis and Design
  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).

Technology Areas

  • Microelectronics