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A first application of thermographic phosphors in a marine two-stroke diesel engine for surface temperature measurement

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Author

Editor

  • American Society of Mechanical Engineers

Summary, in English

Phosphor thermometry is applied for the first time in a large-bore two-stroke diesel engine. The work proves the practicality of phosphor thermometry in large-bore engines. The experiments were conducted on the MAN 4T50ME-X marine research engine equipped with an optical cylinder head. By employing a thin surface coating of CdWO4 phosphor, cycle resolved temperature measurements of the cylinder wall were obtained. Motored and fired engine operations were tested at engine loads covering the low and medium engine load range. Phosphor thermometry proved to be successful in retrieving the temperature with standard deviations ranging around 1-8 K. Experimental considerations like detector linearity, coating thickness and an automated phosphor calibration routine will be addressed.

Department/s

Publishing year

2014

Language

English

Pages

001-001

Publication/Series

Proceedings of the ASME 2014 Internal Combustion Engine Division Fall Technical Conference (ICEF2014)

Document type

Conference paper

Publisher

American Society Of Mechanical Engineers (ASME)

Topic

  • Atom and Molecular Physics and Optics

Keywords

  • Thermographic phosphors
  • Laser-induced phosphorescence
  • Marine propulsion
  • Large-bore two-stroke diesel engines

Conference name

ASME 2014 Internal Combustion Engine Division Fall Technical Conference

Conference date

2014-10-19

Conference place

Columbus-Indiana, United States

Status

Published