Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Brahim Moudjed"'
2
PIV mapping of pressure and velocity fields in the plane magnetohydrodynamic Couette flow
Autor: Alban Pothérat, Martin Holdsworth, Brahim Moudjed
We present the first simultaneous mapping of two-dimensional, time-dependent velocity and pressure fields in a plane Couette flow pervaded by a transverse magnetic field. While electromagnetic forces are strongest in fluids of high electric conductiv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da8d5898a5cde91f3825f7673d421634
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3
From flying wheel to square flow: Dynamics of a flow driven by acoustic forcing
Autor: Valéry Botton, Hamda Ben Hadid, Daniel Henry, Tristan Cambonie, Brahim Moudjed
Publikováno v: Physical Review Fluids
Physical Review Fluids, American Physical Society, 2017, 2 (12), pp.123901. ⟨10.1103/PhysRevFluids.2.123901⟩
International audience; Acoustic streaming designates the ability to drive quasisteady flows by acoustic propagation in dissipative fluids and results from an acoustohydrodynamics coupling. It is a noninvasive way of putting a fluid into motion using
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bf5b680ba3343112421c460458459b6
https://hal.archives-ouvertes.fr/hal-01724828/document
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4
Y-shaped jets driven by an ultrasonic beam reflecting on a wall
Autor: Valéry Botton, Séverine Millet, Hamda Ben Hadid, Daniel Henry, Brahim Moudjed
Publikováno v: Ultrasonics
Ultrasonics, 2016, 68, pp.33-42. ⟨10.1016/j.ultras.2016.02.003⟩
Ultrasonics, Elsevier, 2016, 68, pp.33-42. ⟨10.1016/j.ultras.2016.02.003⟩
International audience; This paper presents an original experimental and numerical investigation of acoustic streaming driven by an acoustic beam reflecting on a wall. The water experiment features a 2 MHz acoustic beam totally reflecting on one of t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88d794c569843e640096f83e7fb1db82
https://hal.science/hal-01174278
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5
Acoustic streaming jets: A scaling and dimensional analysis
Autor: H. Benhadid, Brahim Moudjed, Jean-Paul Garandet, Séverine Millet, Daniel Henry, Valéry Botton
Publikováno v: AIP Conference Proceedings.
We present our work on acoustic streaming free jets driven by ultrasonic beams in liquids. These jets are steady flows generated far from walls by progressive acoustic waves. As can be seen on figure 1, our set-up, denominated AStrID for Acoustic Str
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c243ae450f2094aabf5caebdbde0d919
https://doi.org/10.1063/1.4934385
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6
Near-field acoustic streaming jet
Autor: H. Ben Hadid, Jean-Paul Garandet, Daniel Henry, Valéry Botton, Séverine Millet, Brahim Moudjed
Publikováno v: Physical Review E : Statistical, Nonlinear, and Soft Matter Physics
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2015, 91, pp.033011. ⟨10.1103/PhysRevE.91.033011⟩
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2015, 91, pp.033011. ⟨10.1103/PhysRevE.91.033011⟩
A numerical and experimental investigation of the acoustic streaming flow in the near field of a circular plane ultrasonic transducer in water is performed. The experimental domain is a parallelepipedic cavity delimited by absorbing walls to avoid ac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b12d1026a87fdc1ed244200a20db11f7
https://pubmed.ncbi.nlm.nih.gov/25871206
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7
Acoustic Streaming Jets in Liquids
Autor: Hamda Ben Hadid, Valéry Botton, Daniel Henry, Alban Pothérat, Brahim Moudjed, Jean-Paul Garandet
Publikováno v: Volume 1B, Symposia: Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows.
Theoretical and experimental investigations of acoustic streaming jets in water are described. The jet is produced by a plane circular ultrasonic transducer in a cavity inside a water tank, either in the near field or in the far field of the acoustic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c5e8d66691af958c8a439d842b1fe2f6
https://doi.org/10.1115/fedsm2014-22042
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8
Scaling and dimensional analysis of acoustic streaming jets
Autor: H. Ben Hadid, Valéry Botton, Brahim Moudjed, Jean-Paul Garandet, Daniel Henry
Publikováno v: Physics of Fluids
Physics of Fluids, American Institute of Physics, 2014, 26 (9), pp.093602. ⟨10.1063/1.4895518⟩
Physics of Fluids, 2014, 26 (9), pp.093602. ⟨10.1063/1.4895518⟩
Physics of Fluids, American Institute of Physics, 2014, 26, pp.093602. ⟨10.1063/1.4895518⟩
Article soumis à la revue international Physics of Fluids; The present paper focuses on acoustic streaming free jets. This is to say that progressive acoustic waves are used to generate a steady flow far from any wall. The derivation of governing eq
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4dcd30a7e76f6829ddf2fce4939e108
https://hal.archives-ouvertes.fr/hal-00923712v4/document
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9
Instabilities in the Rayleigh-Bénard-Eckart problem
Autor: H. Ben Hadid, Walid Dridi, Valéry Botton, Brahim Moudjed, Daniel Henry
Publikováno v: Physical Review E : Statistical, Nonlinear, and Soft Matter Physics
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2012, 86, pp.016312. ⟨10.1103/PhysRevE.86.016312⟩
This study is a linear stability analysis of the flows induced by ultrasound acoustic waves (Eckart streaming) within an infinite horizontal fluid layer heated from below. We first investigate the dependence of the instability threshold on the normal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e50a14e6e9af7ab4de348e422fcc6fa
https://doi.org/10.1103/physreve.86.016312
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