Výsledky vyhledávání - "Redjem, Hadef"

Flow field characterization of pressurized sooting swirl flames and relation to soot distributions

Autor: Redjem Hadef, Wolfgang Meier, Michael Stöhr, Klaus Peter Geigle

Publikováno v: Proceedings of the Combustion Institute. 36:3917-3924

Mean and instantaneous flow fields were derived for sooting pressurized swirl flames, operated with ethylene/air in an aero-engine model combustor. Stereo particle image velocimetry served to deduce three velocity components and to identify locations

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bc762ef4d961e93948ab14a12a30a8d
https://doi.org/10.1016/j.proci.2016.09.024

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Laser-induced incandescence for soot measurements in an aero-engine combustor at pressures up to 20 bar

Autor: Klaus Peter Geigle, Redjem Hadef, Jochen Zerbs, Christian Guin

Publikováno v: Applied Physics B-Laser and Optics
Applied Physics B-Laser and Optics, Springer Verlag, 2019, 125 (96), pp.1-8. ⟨10.1007/s00340-019-7211-2⟩

International audience; Soot is one of the most discussed pollutants in ground and air traffic. Moreover, its effect as source of intense radiation is significant as soon as locally rich mixtures occur, especially at in-creased pressure. This motivat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64a0d5a2c23ff511566aff4531893432
https://hal.archives-ouvertes.fr/hal-02299136

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High Speed Imaging of Flame Structure and Dynamic Processes in Swirl Stabilized Prevaporized Liquid Fuel Flames

Autor: Christoph M. Arndt, Adam M. Steinberg, Jan Böhnke, Redjem Hadef, Wolfgang Meier

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c7b06b09509c1226c77687619036569
https://elib.dlr.de/126068/

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Comparative study of cooked and uncooked food waste co-composting with green waste and sewage sludge: A case study of Tunisia

Autor: Chaher, Nour El Houda El Houda, Mehrez Chakchouk, Redjem Hadef, Nassour Abdallah, Moktar Hamdi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63e2dd06e7b1212d8dee94ea36747f57

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Time-resolved study of transient soot formation in an aero-engine model combustor at elevated pressure

Autor: Michael Stöhr, Martin Grader, Peter Gerlinger, Campbell D. Carter, Redjem Hadef, Isaac Boxx, Klaus Peter Geigle

Publikováno v: Proceedings of the Combustion Institute

The mechanisms of transient formation and oxidation of soot in an aero-engine model combustor at elevated pressure are studied for the first time using a combination of high-speed simultaneous stereo-PIV and OH-PLIF and results from a recent detailed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::916075231b36c7366e9010ca9042e3ed

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Study of Swirl Contribution to Stabilization Turbulent Diffusion Flame

Autor: Djemoui Lalmi, Redjem Hadef

Publikováno v: CFD Techniques and Energy Applications ISBN: 9783319709499

The objective of this study is to predict numerically the flow effects of two coaxial jets with different swirl numbers (swirl number) on the characteristics of the turbulent diffusion flame. The study focused on the rotation influence of the seconda

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73f38be6eeb8ddc30ef7dedc69ac0bca
https://doi.org/10.1007/978-3-319-70950-5_9

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The Influence of Length on the Structure of a Swirling Flow in an Isothermal Burner

Autor: Redjem Hadef, Oussama Benbouaziz

Publikováno v: SSRN Electronic Journal.

This paper presents a numerical study of an isothermal swirling flow in a cylindrical chamber; the purpose of this study is to show the influence of length reduction in an axisymmetric configuration on the average characteristics of the flow structur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4450a7b50b6afffb808356467ef4ffd
https://doi.org/10.2139/ssrn.3374270

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Influence of direction of rotation of the swirl at the turbulente diffusion flame proprieties

Autor: Redjem Hadef, Djemoui Lalmi

Publikováno v: 2017 International Conference on Green Energy Conversion Systems (GECS).

In the present work we interested to predict numerically the proprieties of turbulent diffusion flame. For the turbulence model we are used large eddy simulation when the interaction between turbulence and chemical we used the presume probability den

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fe1ca8320f0fdd9059034e1038e1bc0
https://doi.org/10.1109/gecs.2017.8066176

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The concept of 2D gated imaging for particle sizing in a laminar diffusion flame

Autor: Jochen Zerbs, Klaus Peter Geigle, Redjem Hadef, David R. Snelling, Robert A. Sawchuk

Publikováno v: Applied Physics B. 112:395-408

In this work, time-resolved laser-induced incandescence (TiRe LII) has been employed to measure primary particle diameters of soot in an atmospheric laminar ethylene diffusion flame. The generated data set complements existing data determined in one

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12ba0fa494347d70d896fe6d37847654
https://doi.org/10.1007/s00340-013-5507-1

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