Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Klaus Höschler"'
Publikováno v:
Energies, Vol 16, Iss 22, p 7524 (2023)
The permanent magnet synchronous motor (PMSM) can be a suitable candidate for electrified propulsion in aviation. Despite the very high efficiency, heat dissipation during operation leads to performance limitations. Elevated temperatures in the elect
Externí odkaz:
https://doaj.org/article/90f0845bfee149d2ab92572f8add08c6
Publikováno v:
Aerospace, Vol 10, Iss 8, p 710 (2023)
As the issue of pollutant emissions from aviation propulsion escalates, research into alternative powertrains is gaining momentum. Two promising technologies are the Hybrid Electric Propulsion System (HEPS) and Pressure Gain Combustion (PGC). HEPS is
Externí odkaz:
https://doaj.org/article/50633a126d5c498996fc39346dba7639
Autor:
Moritz Neubauer, Julia Genßler, Vincent Radmann, Fleming Kohlenberg, Michael Pohl, Kurt Böhme, Karsten Knobloch, Ennes Sarradj, Klaus Höschler, Niels Modler, Lars Enghardt
Publikováno v:
Aerospace, Vol 10, Iss 1, p 5 (2022)
This paper presents a combined experimental and numerical investigation on a novel liner concept for enhanced low-frequency and broadband acoustic attenuation. In particular, two different realizations, derived from conventional Helmholtz resonators
Externí odkaz:
https://doaj.org/article/d69d0f900dd84db3b3cc0972ca4f6881
Publikováno v:
Polymers, Vol 14, Iss 23, p 5285 (2022)
Due to current developments in jet engine design, the acoustic performance of conventional acoustic liners needs to be improved with respect to lower frequency spectrums and broadband absorption. In this context, the present study aimed to determine
Externí odkaz:
https://doaj.org/article/6c66f456a83b4e9a8608aace3d0e405d
Autor:
Tianxiao Xie, Akilan Mathiazhagan, Daniel Barkowski, Tommy Starick, H. Peter Berg, Klaus Höschler
Publikováno v:
Numerical Heat Transfer, Part A: Applications. :1-15
Autor:
Klaus Höschler, Stefan Kazula
Publikováno v:
CEAS Aeronautical Journal. 12:685-700
The motivation for designing variable pitot inlets for future supersonic transport (SST) is explained. A comprehensive overview of existing technological solutions for variable leading edges of aircraft wings and engine inlets is given. The advantage
Autor:
Martin Dannemann, Michael Kucher, Eckart Kunze, Niels Modler, Karsten Knobloch, Lars Enghardt, Ennes Sarradj, Klaus Höschler
Publikováno v:
Applied Sciences, Vol 8, Iss 10, p 1923 (2018)
In aero engines, noise absorption is realised by acoustic liners, e.g., Helmholtz resonator (HR) liners, which often absorb sound only in a narrow frequency range. Due to developments of new engine generations, an improvement of overall acoustic damp
Externí odkaz:
https://doaj.org/article/b4015c5baabd4cbf8c61ef195ee8c857
Publikováno v:
Aircraft Engineering and Aerospace Technology. 92:981-992
Purpose This paper aims to reveal the influence of selected geometric parameters on the aerodynamic performance of circular variable aero engine inlets in transonic and supersonic civil aviation. Design/methodology/approach The trade-off in inlet des
Autor:
Klaus Höschler, Stefan Kazula
Publikováno v:
Aircraft Engineering and Aerospace Technology. 92:807-815
Purpose This paper aims to describe the selection of the ideal variable inlet concept group by using results of aerodynamic investigations, system safety analyses and integration studies. Design/methodology/approach Aerodynamic and functional inlet r
As the first time, 0D-1D-3D and fully 3D steady-state aero-thermo-fluid simulations of a structural oil-to-air Fan Outlet Guide Vane Cooler (FOGVC) in a jet engine are presented. Using the commercial softwares Ansys Fluent, the thermo-mechanical modu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c3d2b0a54f7c2f77fbd6d926ac5fefb