Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Andre Bauknecht"'
Publikováno v:
Journal of the American Helicopter Society. 66:1-17
Recently, an asymmetric lift-offset compound helicopter has been conceptualized at the University of Maryland with the objective of improving the overall performance of a medium-lift utility helicopter. The investigated form of lift-compounding incor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df52963526bb3e8b78a4e48b014c984c
https://doi.org/10.4050/jahs.66.032011
https://doi.org/10.4050/jahs.66.032011
Publikováno v:
Journal of Aircraft. 58:153-166
In forward flight, slowing down a rotor alleviates compressibility effects on the advancing side blade tip, extending the cruise speed limit, and inducing high-advance-ratio flight regime. Previous...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a3f60f91f06439d8e3a610669d4a5d2
https://doi.org/10.2514/1.c035900
https://doi.org/10.2514/1.c035900
Publikováno v:
Journal of Aircraft. 57:558-568
It is investigated whether a nonrotating lifting fan remaining uncovered during cruise flight, as opposed to being covered by a shutter system, can be realized with limited additional drag and loss...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8bf181e1b105c895df208706ee962a6
https://doi.org/10.2514/1.c035422
https://doi.org/10.2514/1.c035422
Publikováno v:
AIAA SCITECH 2022 Forum.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8e6f3ecd1ed968db920df43a7e9ce99
https://doi.org/10.2514/6.2022-0688
https://doi.org/10.2514/6.2022-0688
Publikováno v:
Scopus-Elsevier
Measurements of the flow field around a free-flying model helicopter in ground effect for both quasi-steady and unsteady maneuvering flights were performed using stereoscopic particle image velocimetry (PIV). The wake features for hover and forward f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd9da18befe0ca4cde2646e35f4b7dac
https://doi.org/10.4050/jahs.64.012010
https://doi.org/10.4050/jahs.64.012010
Publikováno v:
Notes on Numerical Fluid Mechanics and Multidisciplinary Design ISBN: 9783030795603
The lift reduction potential of fluidic flow control devices is investigated. The devices target unsteady gust load alleviation to achieve a reduction in overall wing weight and fuel consumption. The study focuses on a jet normal to the surface and j
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::467fe9ee77e8bbbf0f96721b2acc8112
https://doi.org/10.1007/978-3-030-79561-0_15
https://doi.org/10.1007/978-3-030-79561-0_15
Publikováno v:
Scopus-Elsevier
Active flow control has not found wide application in aircraft due to a combination of technical challenges, costs, and small impact on overall aircraft performance. Future applications, like allev...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a9916c8da8f04c89787c11ad2e8df70
https://doi.org/10.2514/6.2020-2940
https://doi.org/10.2514/6.2020-2940
Helicopter operation close to the ground is of interest to the rotorcraft community as the rotor wake can lift up sediment particles from the ground, causing deteriorated visual conditions for the pilot - a phenomenon that is referred to as brownout.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc69a416fa6454281ea218a144247d66
https://elib.dlr.de/125448/
https://elib.dlr.de/125448/
A series of comprehensive flight tests investigated the flight dynamics and explored the flight envelope of a newly developed ultralight, coaxial, counter-rotating helicopter from the company edm a...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5aa2857e39b59a84072941adb1b06baf
https://elib.dlr.de/122023/
https://elib.dlr.de/122023/