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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
Том 46, 2019 Том 45, 2018 Том 44, 2017 Том 43, 2016 Том 42, 2015 Том 41, 2014 Том 40, 2013 Том 39, 2012 Том 38, 2011 Том 37, 2010 Том 36, 2009 Том 35, 2008 Том 34, 2007 Том 33, 2006 Том 32, 2005 Том 31, 2004 Том 30, 2003 Том 29, 2002 Том 28, 2001 Том 27, 2000 Том 26, 1999 Том 25, 1998 Том 24, 1997 Том 23, 1996 Том 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v24.i4-6.350
pages 798-807

Two-Phase Flow Simulation of a Dump Combustor under Realistic Conditions

D. Bissieres
Aerospatiale Missiles, Les Gatines, 91370 Verrières le Buisson, France
G. Lavergne
Heterogeneous, Multiphase Flows Unit, Aerodynamic and Energetic Models Department, Office National d'Etudes et de la Recherche Aérospatiales (ONERA), 31055 Toulouse Cedex 4, France

Краткое описание

This paper presents some results on the numerical simulation of the two-phase flow in a dump combustor, under realistic conditions. This study has been performed with a two-phase flow code, which simulates the main physical phenomena occurring in a ramjet combustion chamber. Those models were validated on basic configurations. Interactions between the gas and liquid phases, called two-way coupling, are particularly studied in this paper. Two methods have been used to include two-way coupling in the simulations. First one is based on a global iterative scheme, the second one on an unsteady approach. The results obtained by the two methods are in a quite good agreement. The discrepancy appearing in the flow fields may be created by the aerodynamic flow field calculation, which may be erroneous in the outlet nozzle, due to problems to get the exit nozzle flow chocked. However, the significant interactions between the two phases, particularly near the walls, induce great computation times for the first method. Both methods will be used on other configurations, and a combustion model will be added to the numerical code, in order to compute combustion efficiency in such configurations.


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