Anwendung von Helmholtz-Resonatoren mit integrierten Biegebalken in der Flugzeugkabine Hoppen, Hannah Langfeldt, Felix Gleine, Wolfgang von Estorff, Otto 2023 - ReposIt
Helmholtz resonator with two resonance frequencies by coupling with a mechanical resonator Hoppen, Hannah Langfeldt, Felix Gleine, Wolfgang von Estorff, Otto 2023 - ReposIt
Broadband low-frequency sound transmission loss improvement of double walls with Helmholtz resonators Langfeldt, Felix Hoppen, Hannah Gleine, Wolfgang 2020 - ReposIt
Gekoppelter Helmholtz-Resonator mit schwingfähigem mechanischem Resonator Hoppen, Hannah Langfeldt, Felix Gleine, Wolfgang von Estorff, Otto 2019 - ReposIt
Resonance frequencies and sound absorption of Helmholtz resonators with multiple necks Langfeldt, Felix Hoppen, Hannah Gleine, Wolfgang 2019 - ReposIt - frei zugänglich
Aircraft side wall with improved low-frequency sound insulation using a lining panel with helmholtz resonators Hoppen, Hannah Langfeldt, Felix Gleine, Wolfgang von Estorff, Otto 2019 - ReposIt