Title: Measurement of turbulent flow in engines using a Laser Doppler Anemometer

Authors: E. Max

Addresses: Department of Applied Physics Volvo Car Corporation, Goteborg, Sweden

Abstract: The Laser Doppler Anemometer (LDA) technique of measuring air flow behaviour inside the cylinder of an internal combustion engine is described. A laboratory setup incorporating a single cylinder diesel research engine with a double piston arrangement allowing optical access to the cylinder is outlined, and a description is given on the method of taking measurements. Examples of measurements made using the technique are given, and it is concluded that the knowledge derived from LDA measurements is useful in the development of more efficient engines with low levels of emissions.

Keywords: laser doppler anemometry; LDA; combustion engines; gas flow; turbulence; engine emissions; engine efficiency; turbulent flow measurement.

DOI: 10.1504/IJVD.1983.061084

International Journal of Vehicle Design, 1983 Vol.4 No.2, pp.221 - 225

Published online: 25 May 2014 *

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