Spatiotemporal flame mapping in a large-bore marine diesel engine using multiple high-speed cameras

Research output: Contribution to journalArticle

Abstract

A calibrated multiple high-speed camera arrangement recording the flame emission from three different directions has been demonstrated on an engine. From the multiple views, the flame position inside the engine cylinder can be spatially mapped, allowing quantitative studies of the dynamics of ignition, flame development and propagation. Through space carving, the three-dimensional flame contour can be estimated. From this contour, properties like flame length, flame height, ignition locations and flame directions can be extracted. The technique is demonstrated by measurements on diesel flames inside a marine two-stroke engine with a bore diameter of 500 mm. It is found to be a valuable tool for spatiotemporal flame mapping in this asymmetric industrial combustion system.

Details

Authors
Organisations
External organisations
  • MAN Energy Solutions
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Energy Engineering

Keywords

  • diesel engine, engine, flame, High-speed, multiple cameras, optical diagnostics, three dimensional
Original languageEnglish
JournalInternational Journal of Engine Research
Publication statusE-pub ahead of print - 2019 May 28
Publication categoryResearch
Peer-reviewedYes