Influence of spray characteristics and air preheat on the flame properties in a gas turbine combustor

  • A. M. Attya*
  • , M. A. Habib
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A computational procedure for the calculation of the flow, temperature and species concentration in a model of a gas-turbine combustor is provided and analyzed. The equations which represent the transport of mass, momentum, enthalpy, unburned fuel and mixture fraction were solved together with the equations representing the turbulence, combustion, radiation and spray models. A two equation model which comprises the solution of the turbulence kinetic energy and its dissipitation rate used to represent the Reynolds stresses in the momentum equations. A single step reaction model in which the rate of reaction is connected to the rate of mixing between fuel and oxygen was used. The results indicated that the spread of the injection points of the spray resulted in an enhanced improvement of the flame properties.

Original languageEnglish
Pages (from-to)17-42
Number of pages26
JournalModelling, simulation & control. B
Volume22
Issue number1
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering

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