An Investigation of Instantaneous Heat Transfer Rates in the Exhaust Port of an Internal Combustion Engine

Abstract

Recently, the growing concern over the exhaust emissions, cooling requirements and design of exhaust system devices has led to the study of the instantaneous heat transfer rates in the straight portion of the engine exhaust port and the port itself. In this study, experimental measurements were made of the instantaneous exhaust gas temperatures and the instantaneous wall surface temperatures at four different positions in the exhaust port for a range of engine operating conditions. The calculated instantaneous heat transfer rates and the instantaneous heat transfer coefficients were found to be significantly dependent on the geometrical position in the exhaust port, the engine speed and the engine load and depicted a consistent trend in the results.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1981
Accession Number
ADA096756

Entities

People

  • Rakesh Sachdev
  • S. C. Sorenson

Organizations

  • University of Illinois Urbana–Champaign

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Combustion
  • Combustion Chambers
  • Computational Fluid Dynamics
  • Computer Programs
  • Convection
  • Detectors
  • Heat Energy
  • Heat Transfer
  • Heat Transfer Coefficients
  • Ignition
  • Ignition Systems
  • Internal Combustion Engines
  • Measurement
  • Tape Recorders
  • Thermodynamics
  • Turbulent Mixing

Fields of Study

  • Engineering

Readers

  • Aerospace logistics and air mobility.
  • Combustion science or combustion engineering.
  • Fluid Dynamics.