Experimental investigation of atomization and combustion characteristics of high-pressure pulse sprays

Satoki Yokoi, Shota Sugawara, Ryuichi Sagawa, Yasuhiro Saito, Yohsuke Matsushita, Hideyuki Aoki

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

This study investigated the effect of fuel injection pressure (20-80 MPa) on atomization and combustion characteristics using a stationary combustor with an intermittent supply of liquid fuel. In the atomization experiments, spray tip penetration and spray width increased, and the Sauter mean diameter of droplets decreased with an increase in the fuel injection pressure. In the combustion experiments, the OH emission intensity and combustion gas temperature upstream of the furnace increased with the fuel injection pressure, whereas nitrogen oxides emissions were reduced. The results demonstrate that high-pressure pulse spray combustion can reduce NOX emissions and enhance the combustion load by an increase in the fuel injection pressure.

Original languageEnglish
Pages (from-to)269-275
Number of pages7
JournalFuel Processing Technology
Volume148
DOIs
Publication statusPublished - 2016 Jul 1

Keywords

  • Common rail
  • NO reduction
  • Pulse spray
  • Spray combustion
  • Spray penetration

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

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