Vaporization and combustion of an electrospray of heptane in a small chamber

Tejera, J.M. and Higuera Antón, Francisco (2017). Vaporization and combustion of an electrospray of heptane in a small chamber. In: "8th European Combustion Meeting", 18-21 Apr 2017, Dubrovnik. pp. 1-10.

Description

Title: Vaporization and combustion of an electrospray of heptane in a small chamber
Author/s:
  • Tejera, J.M.
  • Higuera Antón, Francisco
Item Type: Presentation at Congress or Conference (Article)
Event Title: 8th European Combustion Meeting
Event Dates: 18-21 Apr 2017
Event Location: Dubrovnik
Title of Book: Proceeding of the 8th European Combustion Meeting
Date: 2017
Subjects:
Faculty: E.T.S. de Ingeniería Aeronáutica y del Espacio (UPM)
Department: Mecánica de Fluidos y Propulsión Aeroespacial
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

An Eulerian/Lagrangian model is used to describe the vaporization and combustion of a spray of electrically charged droplets of heptane that is injected in a small chamber together with a coflow of preheated air. The effects of the inlet air temperature, the fuel flow rate and the overall equivalence ratio are investigated for globally lean systems. Combustion may occur in a lifted lean premixed flame after the fuel has fully vaporized and mixed with the air coflow, or it may begin before the fuel diffuses in the air coflow, in a layer of intense reaction that locally depletes the oxygen and leaves behind a region of hot fuel surrounded by a diffusion flame. Transition between these two modes is discussed, and ignition and extinction conditions are determined.

More information

Item ID: 49841
DC Identifier: http://oa.upm.es/49841/
OAI Identifier: oai:oa.upm.es:49841
Deposited by: Memoria Investigacion
Deposited on: 04 Feb 2019 13:38
Last Modified: 04 Feb 2019 13:47
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