Výsledky vyhledávání - "Ratiba Zitoun"

Experimental investigation on detonation dynamics through a reactivity sink

Autor: Pierre Vidal, Takuya Matsumoto, Akiko Matsuo, Ratiba Zitoun, Stéphane Boulal

Publikováno v: Combustion and Flame
Combustion and Flame, Elsevier, 2018, 196, pp.11-25. ⟨10.1016/j.combustflame.2018.05.017⟩

International audience; This article reports on an experimental investigation into dynamical behaviours of detonation in non-uniform mixtures, generated from stoichiometric propane–oxygen, oxygen and ethane, with initial temperature and pressure 29

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::642486797b975f87d8454284d0232455
https://hal.archives-ouvertes.fr/hal-03005081

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Previous and ongoing detonation studies applied to propulsion in Poitiers

Autor: Ratiba Zitoun, Pierre Vidal, Stéphane Boulal, Sylvain Hansmetzger, Vincent Rodriguez, Cyprien Jourdain

Publikováno v: 11th Int. Colloquium on Pulsed and Continuous Detonations
11th Int. Colloquium on Pulsed and Continuous Detonations, 2018, St Petersburg, Russia
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International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::91f9280652fafef1d699798de4e054a8
https://hal.archives-ouvertes.fr/hal-02395260

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Experimental investigation of detonation quenching in non-uniform compositions

Autor: Pierre Vidal, Ratiba Zitoun, Stéphane Boulal

Publikováno v: Combustion and Flame
Combustion and Flame, Elsevier, 2016, 172, pp.222-233. ⟨10.1016/j.combustflame.2016.07.022⟩

This paper presents an experimental investigation into the dynamical behavior of detonation in non-uniform mixtures of propane and oxygen at initial pressure and temperature of 200 mbar and 290 K, respectively, with gradients of initial composition p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a67fb48e98b14b65fefb9810bb109d59
https://hal.archives-ouvertes.fr/hal-03005082

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Experimental and numerical investigations on PDE performance augmentation by means of an ejector

Autor: E. Zocłońska, Boris Khasainov, F. Franzetti, Ratiba Zitoun, Daniel Desbordes, G. Canteins

Publikováno v: Shock Waves. 15:103-112

To improve the performance of pulse detonation engines, a 48 cm long cylindrical combustion chamber of 5cm internal diameter (i.d.) is fitted with an ejector of constant section. The role of the ejector is (i) to provide partial confinement of the de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4dc01dc7159022066ade04ec63c5b48
https://doi.org/10.1007/s00193-006-0006-5

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Direct initiation of detonation in cryogenic gaseous H2-O2 mixtures

Autor: B. Deshaies, Ratiba Zitoun, Daniel Desbordes, C. Guerraud

Publikováno v: Shock Waves. 4:331-337

Critical conditions for the direct initiation of self-sustained detonation in cryogenic hydrogen-oxygen mixtures are examined experimentally. These initial conditions are expected to depend mainly on four parameters: the equivalence ratio of the mixt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::411e3ecca5a40287cf801e5e9aff03f0
https://doi.org/10.1007/bf01413875

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Detonation diffraction through different geometries

Autor: Rémy Sorin, Daniel Desbordes, Boris Khasainov, Ratiba Zitoun

Publikováno v: Shock Waves
Shock Waves, Springer Verlag, 2009, 19 (1), pp.11-23. ⟨10.1007/s00193-008-0179-1⟩

We performed the study of the diffraction of a self-sustained detonation from a cylindrical tube (of inner diameter d) through different geometric configurations in order to characterise the transmission processes and to quantify the transmission cri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c381398ea04faf2e342af3ff77c7857
https://hal.archives-ouvertes.fr/hal-00420504

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