1–20 von 921 Ergebnissen
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    3 Axis simulator of the Earth magnetic field

    de Loiola, Joao Victor Lopes / van der Ploeg, Leticia Camara / Cardoso da Silva, Rodrigo et al. | IEEE | 2018
    the Earth in various points of an orbit by controlling the current that flows through three pairs of coils of a Helmholtz cage. Based on ...

    2008 Subject Index

    AIAA | 2008
    Schlagwörter: Kelvin Helmholtz Instability

    Accounting for Acoustic Damping in a Helmholtz Solver

    Ni, F. / Miguel-Brebion, M. / Nicoud, F. et al. | AIAA | 2016

    Thermoacoustic Helmholtz solvers provide a cheap and efficient way of predicting combustion instabilities. However, because they rely on

     ...

    A characteristic study and optimization of in-cylinder configuration for particulate matters reduction in an off-highway diesel engine with mechanical fuel injection system

    Lee, Jongyoon / Lee, Sangyul / Park, Jeongkeun et al. | SAGE Publications | 2017
    -dimensional computational fluid dynamics (CFD) code KIVA-3V is used to perform combustion simulations. The Kelvin–Helmholtz/Rayleigh–Taylor (KH-RT ...

    Achievements in the numerical modeling of fan noise radiation from aero-engines

    Casalino, D. / Genito, M. | Elsevier | 2007
    conditions. Fully three-dimensional computations based on the acoustic velocity potential at Helmholtz numbers up to 30 are carried-out in order to ...

    A Closed-Form Model for Long- and Short-Range Forward Scatter Radar Signals From Rectangular Conductive Targets

    Falconi, Marta T. / Lombardo, Pierfrancesco / Pastina, Debora et al. | IEEE | 2020
    commonly used models. The proposed Fresnel closed-form (FCF) model, based on an approximation of the Helmholtz–Kirchhoff electromagnetic ...

    A comparative study on acoustic damping induced by half-wave, quarter-wave, and Helmholtz resonators

    Sohn, Chae Hoon / Park, Ju Hyun | Elsevier | 2010
    -wave, a quarter-wave, and a Helmholtz resonator are studied experimentally by adopting linear acoustic test. A quantitative acoustic property ...

    A comparison of magnetohydrodynamic instabilities at the Martian ionopause

    Penz, T. / Arshukova, I.L. / Terada, N. et al. | Elsevier | 2004
    Kelvin–Helmholtz instability, which can appear in large regions of the Venusian ionopause. Recent studies of Mars Global Surveyor measurements ...

    A Comprehensive Parametric Modelling for Mixed Convection Film Boiling Analysis on a Vertical Flat Plate

    Das, Dipak Chandra / Ghosh, Koushik / Sanyal, Dipankar | Springer Verlag | 2018
    use of Kelvin–Helmholtz criterion shows good matching to the limited number of experimental data, whereas for high liquid flow velocity the ...

    A coupled FE-BE analysis of acoustic cavities confined inside laminated composite enclosures

    Guha Niyogi, Arup / Laha, M.K. / Sinha, P.K. | Emerald Group Publishing | 2000
    velocity of the structure and normal pressure on the structure. A boundary element solver for the Helmholtz equation with quadratic isoparametric ...

    Acoustical Holography and Coherence-Based Noise Source Characterization of an Installed F404 Engine

    Mathews, Logan T. / Gee, Kent L. | AIAA | 2024
    Schlagwörter: Kelvin Helmholtz Mechanism

    ACOUSTIC DAMPER FOR A GAS DUCT SYSTEM

    Freier Zugriff
    ZHOU LIN | Europäisches Patentamt | 2020
    ') extending from the slot (4) towards the second wall (3). At least one Helmholtz resonator (5, 5', 5") is arranged in the housing, comprising an ...

      ACOUSTIC DAMPER FOR A GAS DUCT SYSTEM

      Freier Zugriff
      ZHOU LIN | Europäisches Patentamt | 2019
      ') extending from the slot (4) towards the second wall (3). At least one Helmholtz resonator (5, 5', 5") is arranged in the housing, comprising an ...

    Acoustic Damping of a Helmholtz Resonator with an Oscillating Volume

    Zhao, D. / A'barrow, C. / Morgans, A. S. et al. | AIAA | 2009

    Acoustic Damping of a Helmholtz Resonator with an Oscillating Volume

    Zhao, Dan / A'Barrow, Chris / Morgans, Aimee et al. | AIAA | 2008

    Acoustic Interaction of Piezo-Adaptive Resonance Cells of the Sound-Absorbing Honeycomb Panel

    Pisarev, P. V. / Pan’kov, A. A. / Anoshkin, A. N. | Springer Verlag | 2022
    Schlagwörter: Helmholtz cell

    Acoustic Models for Cooled Helmholtz Resonators

    Yang, Dong / Morgans, Aimee S. | AIAA | 2017

    Helmholtz resonators are commonly used to damp thermoacoustic oscillations in aeroengine and gas turbine combustors. In practice, the

     ...

    Acoustic panel for aircraft and acoustic panel manufacturing method

    Freier Zugriff
    TYNE MATTHEW / GAUTHIER MICHEL | Europäisches Patentamt | 2023
    of perforations (70). The acoustic panel (1) combines quarter wavelength resonators with Helmholtz resonators to provide noise attenuation ...

    ACOUSTIC PANEL FOR AN AIRCRAFT PROVIDING NOISE ATTENUATION OVER A WIDE FREQUENCY BAND BY COMBINING TWO RESONATORS, AND ACOUSTIC PANEL MANUFACTURING METHOD

    Freier Zugriff
    TEIGNE MANUEL / GAUTHIER MAXIME | Europäisches Patentamt | 2023
    , a cellular structure and a resistive skin including perforations. The acoustic panel combines quarter-wave resonators with Helmholtz ...

    Acoustic panel for a turbomachine and method for the manufacturing thereof

    Freier Zugriff
    PICCIRELLI NICOLA | Europäisches Patentamt | 2021
    which extend cavities forming Helmholtz resonators, one of the skins being perforated by orifices opening into the cavities and forming necks of ...