Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Filip Panayotov"'
Publikováno v:
13TH INTERNATIONAL SCIENTIFIC CONFERENCE ON AERONAUTICS, AUTOMOTIVE AND RAILWAY ENGINEERING AND TECHNOLOGIES (BulTrans-2021).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb7db219228e3a7a9fe586bf3a380707
https://doi.org/10.1063/5.0105571
https://doi.org/10.1063/5.0105571
Publikováno v:
2020 New Trends in Civil Aviation (NTCA).
This paper presents the results of an experimental study of the aerodynamic performance of a helicopter rotor for UAV applications in steady hover at Reynolds numbers below 50 000 by means of particles image velocimetry (PIV). Results are shown for a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d878d14b38b2b5af16a5e46c6925461
https://doi.org/10.23919/ntca50409.2020.9291224
https://doi.org/10.23919/ntca50409.2020.9291224
Publikováno v:
Review of the Air Force Academy. 15:27-36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e45577c5eabee5896d9124b082a9f5c
https://doi.org/10.19062/1842-9238.2017.15.3.3
https://doi.org/10.19062/1842-9238.2017.15.3.3
Publikováno v:
SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE. 19:153-164
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5601ccc1baf304e26a1ad9a115c59b4b
https://doi.org/10.19062/2247-3173.2017.19.1.16
https://doi.org/10.19062/2247-3173.2017.19.1.16
Publikováno v:
2019 International Conference on Military Technologies (ICMT).
In this paper are presented the results of an experimental study on the performance of a helicopter rotor model in hover during transient operation. The aim of this study is to quantitatively evaluate the variations of the aerodynamic forces, resulti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6da3db36ed6475b16add69573dfb3311
https://doi.org/10.1109/miltechs.2019.8870035
https://doi.org/10.1109/miltechs.2019.8870035
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1002:012001
Due to the motion of tip and root vortices of helicopter rotor blades and the inevitable blade-vortex interactions in multi-blade rotors, the profile drag of all individual blades is increased, when compared to the absence of any blade-vortex interac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66c90e5c0b6bf55104e5f1075cda09a7
https://doi.org/10.1088/1757-899x/1002/1/012001
https://doi.org/10.1088/1757-899x/1002/1/012001
Publikováno v:
2017 International Conference on Military Technologies (ICMT).
In the present article, the authors are performing a comparison study between two vortex models for the rapid numerical computation of the static thrust of a helicopter rotor in hover. The aim of this study is to access the rapidity and accuracy of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::234a77a279f9dca952ba4d4a85ad890e
https://doi.org/10.1109/miltechs.2017.7988822
https://doi.org/10.1109/miltechs.2017.7988822
Publikováno v:
MATEC Web of Conferences, Vol 133, p 01009 (2017)
This article presents a comparative study of three numerical algorithms for computation of the flow-field of a rotor in hover and the net static thrust that is produced. The flow-field is induced by a series of vortex rings, modelling the near wake o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::254b2106bdd082456d63d7c80381bcb3
https://doaj.org/article/4aa88660bb3046888481f006b88d4e67
https://doaj.org/article/4aa88660bb3046888481f006b88d4e67
Publikováno v:
MATEC Web of Conferences, Vol 234, p 01002 (2018)
This paper presents the results from an experimental study of the aerodynamic performance and efficiency of a model helicopter rotor in steady hover at Reynolds numbers below 70000. Results are shown for a two-, three- and four-bladed rotor configura
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f8c5fdd9b1bb059ead71a1d73bdb4b1
https://doi.org/10.1051/matecconf/201823401002
https://doi.org/10.1051/matecconf/201823401002