1–20 von 21 Ergebnissen
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    Definition of Arbitrary Swirl Distortions by Solutions to the Helmholtz Equation

    Gillespie, John / Frohnapfel, Dustin J. / Lowe, Kevin T. et al. | AIAA | 2019

    Holographic generation of Helmholtz-Gauss beams

    Lopez-Mariscal, C. / Bandres, M.A. / Gutierrez-Vega, J.C. | IEEE | 2005
    We report in this work the first experimental generation of Helmholtz-Gauss beams (HzG). We employ computer-generated holograms for ...

    Conditions for exciting the maximal gas vibration amplitude in a combustion chamber of the Helmholtz resonator type

    Iovleva, O. V. / Larionov, V. M. | Springer Verlag | 2012
    estimate in quantity the parameters influencing a vibration combustion process in the Helmholtz resonator with the inlet multichannel burner which ...

    Analysis and development of inline Helmholtz resonator through computer simulation for elimination of low frequency intake noise character

    Athavale,S.m. / Sajanpawar,P.W. / Automotive Research Association of India,IN | Kraftfahrwesen | 1999

    Braucht Deutschland jetzt Kapazitätszahlungen für eine gesicherte Stromversorgung?

    Freier Zugriff
    Lehmann, Paul / Brandt, Robert / Gawel, Erik et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2015

    Does Germany Need Capacity Payments Now to Secure Its Electricity Supply?

    Freier Zugriff
    Lehmann, Paul / Brandt, Robert / Gawel, Erik et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2015

    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

    Simulation of pulsating channel flows

    Mikheev, N. I. / Molochnikov, V. M. / Davletshin, I. A. et al. | Springer Verlag | 2009
    Schlagwörter: Helmholtz Resonator

    Extreme North Sea storm surges and their consequences

    Freier Zugriff
    Weisse, Ralf / Tinz, Birger / Rudolph, Elisabeth et al. | HENRY – Bundesanstalt für Wasserbau (BAW) | 2020
    Verlag: Helmholtz-Zentrum Geesthacht, Institut für Küstenforschung , Geesthacht

    Neue digitale Formate für die Kommunikation von CO2-Einsparungspotentialen für Deutschland

    Freier Zugriff
    Blome, Tanja / Dold, Christian / El Zohbi, Juliane et al. | HENRY – Bundesanstalt für Wasserbau (BAW) | 2021
    Der durch den Menschen verursachte Klimawandel ist eine der drängendsten Herausforderungen der Gegenwart. Die Helmholtz-Gemeinschaft ...

    Development of twin-chamber on-wheel resonator for tire cavity noise

    Kamiyama, Youichi | Springer Verlag | 2017
    Helmholtz resonator technology which is a flexible device which can equip roadwheel and does not limit a tire brand and commercial production was ...

    Breakup modeling of a liquid jet in cross flow

    Im, K. -S. / Lin, K. -C. / Lai, M. -C. et al. | Springer Verlag | 2011
    flow. A developed model has been extended from an existing Kelvin-Helmholtz/Rayleigh-Taylor (K-H/R-T) hybrid model. A new mass reduction rate ...

    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 ...

    German and European Ground-Transport Emissions in three different scenarios until 2040

    Freier Zugriff
    Seum, Stefan / Bieser, Johannes / Ehrenberger, Simone et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2018
    of the German Aerospace Center (DLR) and Helmholtz-Zentrum Geesthacht (HZG) have established a modelling framework for assessing air quality ...

    The Theory of Aerodynamics

    A Survey of some of the Problems Still Awaiting Solution on Mathematical Lines
    Levy, H. | Emerald Group Publishing | 1929
    Mouvement des Fluides,” Mem. de l'Acad. des Sciences, vi, 389, 1822), and, in spite of their close study by Stokes, Helmholtz, Kelvin, Rayleigh ...

    Hydraulics of Great Lakes Inlets

    Freier Zugriff
    Seelig, William N. / Sorensen, Robert M. | HENRY – Bundesanstalt für Wasserbau (BAW) | 1977
    highest inlet velocities are caused by the Helmholtz resonance mode which has a period of 0.6 to S hours for the inlet-bay systems studied. A ...

    Case study: Near real-time thermal mapping to support firefighting and crisis management

    Freier Zugriff
    Bucher, Tilman / Gessner, Matthias / Hein, Daniel et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2020
    coordination with the control center. Further activi-ties will be coordinated by the Helmholtz Innovation Lab OPTSAL (Optische Technologien ...