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Nihon Kikai Gakkai rombunshuu. B hen, 2004-09, Vol.16 (9), p.2441-2448
2004
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Autor(en) / Beteiligte
Titel
Acceleration Effects of Fuel Droplets on Flame Propagation in Partially-Prevaporized Fuel Spray
Ist Teil von
  • Nihon Kikai Gakkai rombunshuu. B hen, 2004-09, Vol.16 (9), p.2441-2448
Erscheinungsjahr
2004
Quelle
EZB Electronic Journals Library
Beschreibungen/Notizen
  • Fundamental studies on combustion of fuel droplet-vapor-air mixtures have been performed using a static fuel droplet cloud dispersed in fuel vapora-air premixture. Fuel droplet clouds were generated by the condensation method using rapid expansion of saturated ethanol vapor-air mixtures. Flame speed and maximum burning pressure were measured with a constant volume combustion chamber. The flame speed and the maximum burning pressure of partially-prevaporized fuel sprays are larger than those of premixtures with the same equivalence ratio on fuel-lean side. The ratio of fuel vapor and liquid in partially-prevaporized fuel sprays effects the flame speed and the maximum burning pressure. A simple one-dimensional flame propagation model was applied to explain the results. It was found that the slip velocity between fuel droplets and unburned gas and the concentration distribution of fuel vapor formed by fuel droplets play important roles in determining the flame speed.
Sprache
Japanisch
Identifikatoren
ISSN: 0387-5016
Titel-ID: cdi_proquest_miscellaneous_29775605
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