DISRUPTIVE COMBUSTION OF COAL-OIL-MIXTURE DROPLETS.

Chung King Law, N. Srinivasan, C. H. Lee

Research output: Contribution to journalConference article

Abstract

Theoretical and experimental investigations on the combustion characteristics of a droplet of multicomponent liquid fuel mixed with fine coal particles have been conducted. Two limiting cases of combustion behavior are identified. In the quiescent combustion mode vaporization simulates batch distillation such that all the liquid components are preferentially vaporized, leading to the evantual formation of large coal particle agglomerates which may modify the combustor performance. In the disruptive combustion mode internal boiling of the more volatile components in possible with the coal partiles serving as heterogeneous nucleation sites. The resultant internal pressure build-up leads to perpetual fragmentation of the droplet, and hence may significantly diminish the various heterogeneous effects associated with spray combustion.

Original languageEnglish (US)
Pages (from-to)90-98
Number of pages9
JournalWelding in the World, Le Soudage Dans Le Monde
StatePublished - Jan 1 1978
EventProc of the Int Symp on Coal-Oil Mixture Combust, 1st - St Petersburg Beach, FL, USA
Duration: May 7 1978May 9 1978

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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