Effects of diesel/water emulsion on heat flow and thermal loading in a precombustion chamber diesel engine

M. Y.E. Selim, S. M.S. Elfeky

Research output: Contribution to journalArticlepeer-review

69 Citations (Scopus)

Abstract

An experimental investigation has been carried out to study the effects of using water/diesel emulsion fuel in an indirect injection diesel engine on the heat flux crossing liner and cylinder head, thermal loading and metal temperature distribution. A single cylinder precombustion chamber diesel engine has been used in the present work. The engine was instrumented for performance, metal temperature and heat flux measurements. The pure gas oil fuel and different ratios of water/diesel emulsion were used and their effects on the heat flux level and the injector tip temperature are studied. Two correlation were found for the heat flux crossing the liner and the cylinder head at various water/diesel emulsion ratios, fuelling rate and thermocouple probe locations. It was found that the addition of water to diesel fuel, to control the nitrogen oxides emissions, has great influence on reducing the heat flux, the metal temperatures and thermal loading of combustion chamber components.

Original languageEnglish
Pages (from-to)1565-1582
Number of pages18
JournalApplied Thermal Engineering
Volume21
Issue number15
DOIs
Publication statusPublished - Oct 2001

Keywords

  • Diesel engine
  • Heat flux
  • Nitrogen oxides
  • Thermal loading
  • Water emulsion

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

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