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Start Over Author "Lokman Bennani" Topic 020301 aerospace & aeronautics
4 results on '"Lokman Bennani"'

1. Electro-mechanical Resonant Ice Protection Systems: Power requirements for fractures initiation and propagation

Author

Valérie Pommier-Budinger, Valerian Palanque, Marc Budinger, Lokman Bennani, David Delsart, Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), ONERA / DMPE, Université de Toulouse [Toulouse], ONERA-PRES Université de Toulouse, Institut Clément Ader (ICA), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), DMAS, ONERA [Lille], ONERA, Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), and Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)

Subjects
[PHYS]Physics [physics], 020301 aerospace & aeronautics, Work (thermodynamics), Materials science, business.industry, Computation, 02 engineering and technology, Structural engineering, Low frequency, 01 natural sciences, Piezoelectricity, 010305 fluids & plasmas, Power (physics), Electro-mechanical, [SPI]Engineering Sciences [physics], 0203 mechanical engineering, Flexural strength, Design criteria, De-icing, 0103 physical sciences, Fracture (geology), Shear stress, business, Piezo-electricity
Abstract

International audience; This article focuses on resonant ice protection systems and studies fracture mechanisms at work for flexural modes having frequencies lower than100 kHz. The objective is to study the power required for fracture initiation and propagation in this frequency range. Two types of deicing mechanisms are studied in this paper: tensile stress dominant flexural modes and shear stress dominant flexural modes. Criteria are introduced to enable the comparison between these deicing mechanisms according to their power requirements and the selection of the most promising configurations. Eventually, the numerical results are compared to experiments to verify assumptions and computations. The contribution of this article is to put forward power-efficient de-icing configurations for resonant electromechanical de-icing systems using flexural modes. Low frequency flexural modes appear to be less power consuming for both mechanisms. Tensile stress dominant flexural modes have lower power requirements than shear stress dominant modes. The instantaneous peak power requirement to cover 90% of the area is estimated to be 5.5 kW/m².

Published
2021
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2. A survey of icephobic coatings and their potential use in a hybrid coating/active ice protection system for aerospace applications

Author

Elmar Bonaccurso, Philippe Villedieu, Xiao Huang, Marc Budinger, Valérie Pommier-Budinger, Lokman Bennani, Nick Tepylo, Department of Mechanical and Aerospace Engineering, Département de Mathématiques, Informatique, Automatique ( DMIA ), Institut Supérieur de l'Aéronautique et de l'Espace ( ISAE-SUPAERO ), Institut Clément Ader ( ICA ), Institut Supérieur de l'Aéronautique et de l'Espace ( ISAE-SUPAERO ) -IMT École nationale supérieure des Mines d'Albi-Carmaux ( IMT Mines Albi ) -Université Toulouse III - Paul Sabatier ( UPS ), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique ( CNRS ) -Institut National des Sciences Appliquées - Toulouse ( INSA Toulouse ), Institut National des Sciences Appliquées ( INSA ) -Institut National des Sciences Appliquées ( INSA ), Airbus Groups Innovations, ONERA, Université de Toulouse ( ONERA, Université de Toulouse (F-31055 Toulouse - France) ), ONERA-PRES Université de Toulouse, Department of Mechanical and Aerospace Engineering (MAE), Carleton University, Département Conception et conduite des véhicules Aéronautiques et Spatiaux (DCAS), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), Institut Clément Ader (ICA), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), Airbus Defence and Space Germany, ONERA / DMPE, Université de Toulouse [Toulouse], Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Airbus (FRANCE), Centre National de la Recherche Scientifique - CNRS (FRANCE), Carleton University (CANADA), Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE), Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE), Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE), Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), and Département Modèles pour l'Aérodynamique et l'Énergétique - DMAE (Toulouse, France)

Subjects
Icephobic coating, Ice adhesion, Electro-mechanical de-icing, Aerospace Engineering, 02 engineering and technology, engineering.material, 7. Clean energy, 01 natural sciences, 010305 fluids & plasmas, [SPI.MAT]Engineering Sciences [physics]/Materials, 0203 mechanical engineering, Coating, [ SPI.NRJ ] Engineering Sciences [physics]/Electric power, 0103 physical sciences, Hybrid ice protection system, Aerospace engineering, Aerospace, 020301 aerospace & aeronautics, Expediting, Ice protection system, business.industry, Mechanical Engineering, De-icing, 13. Climate action, Mechanics of Materials, Hybrid system, engineering, Ice nucleus, Environmental science, Anti-icing, Mécanique des matériaux, Biomimetics, business
Abstract

International audience; Icephobic coatings for aircraft and other surfaces subjected to ice accretion have generated great interest in the past two decades, due to the advancement of nanomaterials, coating fabrication methods, biomimetics, and a more in-depth understanding of ice nucleation and ice adhesion. Icephobic coatings have demonstrated the ability to repel water droplets, delay ice nucleation and significantly reduce ice adhesion. Despite these ongoing research activities and promising results, the findings reported hereafter suggest that coatings alone cannot be used for aircraft anti-icing and de-icing operations; rather, they should be considered as a complementary option to either thermal or mechanical ice protection methods, for reducing power consumption and the ecological footprint of these active systems and for expediting ground de-icing operations. This paper will first review the state-of-the-art of icephobic coatings for various applications, including their performance and existing deficiencies. The second part of this paper focuses on aerospace anti-icing and de-icing requirements and the need for hybrid systems to provide a complete ice protection solution. Lastly, several urgent issues facing further development in the field are discussed.

Published
2019
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3. Electro-mechanical Resonant Ice Protection Systems: Analysis of Fracture Propagation Mechanisms

Author

Pierrick Rouset, Elmar Bonaccurso, Valérie Pommier-Budinger, Marc Budinger, Fabien Dezitter, Lokman Bennani, Airbus (FRANCE), Centre National de la Recherche Scientifique - CNRS (FRANCE), Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE), Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE), Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE), Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Institut Clément Ader (ICA), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Département de Mathématiques, Informatique, Automatique (DMIA), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), ONERA / DMPE, Université de Toulouse [Toulouse], ONERA-PRES Université de Toulouse, Airbus central R&T, AI research, Airbus Helicopters, Aeroport International de Marseille-Provence, Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi)-Université Toulouse III - Paul Sabatier (UPS), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), École nationale supérieure de l'aéronautique et de l'espace (SUPAERO), Ecole Nationale de l'Aéronautique et de l'Espace, Airbus [France], Airbus Groups Innovations, Institut Clément Ader ( ICA ), Institut Supérieur de l'Aéronautique et de l'Espace ( ISAE-SUPAERO ) -IMT École nationale supérieure des Mines d'Albi-Carmaux ( IMT Mines Albi ) -Université Toulouse III - Paul Sabatier ( UPS ), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique ( CNRS ) -Institut National des Sciences Appliquées - Toulouse ( INSA Toulouse ), Institut National des Sciences Appliquées ( INSA ) -Institut National des Sciences Appliquées ( INSA ), Institut Supérieur de l'Aéronautique et de l'Espace ( ISAE-SUPAERO ), ONERA - The French Aerospace Lab ( Toulouse ), ONERA, Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), and Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)

Subjects
Materials science, TENSILE STRESS, Modal analysis, SHEAR STRESS, Adhesive, Aerospace Engineering, 02 engineering and technology, Ice protection systems, 01 natural sciences, 010305 fluids & plasmas, Physics::Geophysics, Stress (mechanics), [SPI]Engineering Sciences [physics], 0203 mechanical engineering, [ SPI.NRJ ] Engineering Sciences [physics]/Electric power, 0103 physical sciences, Shear stress, Deicing, ELECTROMECHANICAL DE-ICING SYSTEMS, Automatique / Robotique, Stress intensity factor, Physics::Atmospheric and Oceanic Physics, Strain energy release rate, COHESIVE AND ADHESIVE FRACTURES, [PHYS]Physics [physics], 020301 aerospace & aeronautics, Ice protection system, [SPI.NRJ]Engineering Sciences [physics]/Electric power, PIEZOELECTRIC ACTUATORS, Cohesive, Fracture mechanics, Mechanics, Fracture, Fracture (geology), Astrophysics::Earth and Planetary Astrophysics, Energy release rate
Abstract

International audience; Recent research is showing growing interest in low-power electromechanical de-icing systems and, in particular, de-icing systems based on piezoelectric actuators. These systems use the vibrations generated by piezoelectric actuators at resonance frequencies to produce shear stress at the interface between the ice and the support or to produce tensile stress in the ice. This paper provides analytical and numerical models enabling a better understanding of the main de-icing mechanisms of resonant actuation systems. Different possible ice-shedding mechanisms involving cohesive and adhesive fractures are analyzed with an approach combining modal, stress, and crack propagation analyses. Simple analytical models are proposed to better understand the effects on ice shedding of the type of mode, ice thickness, or frequency with respect to cohesive and adhesive fractures.

Published
2018
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4. Two dimensional model of an electro-thermal ice protection system

Author

Lokman Bennani, Michel Salaün, Philippe Villedieu, Airbus [France], ONERA - The French Aerospace Lab [Toulouse], ONERA, Institut Clément Ader (ICA), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), Airbus (FRANCE), Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE), Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE), Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE), Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE), Université Toulouse III - Paul Sabatier - UT3 (FRANCE), Institut Clément Ader - ICA (Toulouse, France), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), and Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)

Subjects
Aircraft, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Numerical simulation, 02 engineering and technology, GeneralLiterature_MISCELLANEOUS, Physics::Geophysics, 0203 mechanical engineering, Block (programming), Thermal, Aerospace engineering, Icing, Physics::Atmospheric and Oceanic Physics, Simulation, 020301 aerospace & aeronautics, ComputingMilieux_THECOMPUTINGPROFESSION, Computer simulation, Ice protection system, business.industry, Dimensional modeling, Thermique, Protection system, 020303 mechanical engineering & transports, Geography, De-icing, [SPI.MECA.THER]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Thermics [physics.class-ph], Astrophysics::Earth and Planetary Astrophysics, business, Focus (optics)
Abstract

International audience; In this communication we shall focus on the main governing equations and building blocks of the M.A.D (Anti-icing Deicing Modelling) numerical tool, which is now renamed as INUIT (Integrated NUmerical model of Ice protection sysTems) and part of the new generation of ONERA icing codes. The code simulates the functioning of an electro-thermal de-icing system. We shall also discuss the various improvements and new features we have added, especially a mechanical model of the ice block in order to improve the ice-shedding criterion.

Published
2013
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