Title: Development of a white smoke measuring method for diesel engines

Authors: T. Tanaka, K. Kobashi, Y. Imamura

Addresses: Higashifuji Technical Centre, Toyota Motor Co. Ltd, Susono-shi, Japan. ' Higashifuji Technical Centre, Toyota Motor Co. Ltd, Susono-shi, Japan. ' Higashifuji Technical Centre, Toyota Motor Co. Ltd, Susono-shi, Japan

Abstract: The white smoke generated by a diesel engine was analysed and found to consist mainly of hydrocarbons. Test results indicate that the amount of white smoke that is generated depends on the ambient temperature. A white smoke meter providing for control of the internal temperature has been developed so that white smoke can be generated inside the measuring device. Measurement is made by means of light transmittance. The readings of this new meter correlate well with visual assessments of actual white smoke levels, regardless of the engine specifications, and the meter is considered to have great potential as a design tool for reducing white smoke generation.

Keywords: air pollution; diesel engines; emission control; hydrocarbons; white smoke meter; vehicle emissions.

DOI: 10.1504/IJVD.1989.061568

International Journal of Vehicle Design, 1989 Vol.10 No.4, pp.470 - 480

Published online: 26 May 2014 *

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