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Publikováno v:
MATEC Web of Conferences, Vol 313, p 00045 (2020)
Small unmanned aerial vehicles (SUAVs) have found a widespread application in past decades. However, as the criticality of the missions for which they can be used increases, the demand for improvement of their efficiency increases as well. The paper
Externí odkaz:
https://doaj.org/article/099b7d9a676e4201bf8fc7331bdd6c2b
Autor:
Rozehnal Dalibor, Hnidka Jakub
Publikováno v:
MATEC Web of Conferences, Vol 313, p 00052 (2020)
This paper presents a performance analysis of a horizontal axis wind turbine with an atypical design. The performance analysis was performed by a measurement in a low-speed wind tunnel. The atypical design of the horizontal axis wind turbine mimics t
Externí odkaz:
https://doaj.org/article/5a021447f1984a46ad9bac2ae0c8e44a
Publikováno v:
EPJ Web of Conferences. 2018, Vol. 180, p1-4. 4p.
Autor:
Hnidka Jakub, Rozehnal Dalibor
Publikováno v:
MATEC Web of Conferences, Vol 107, p 00075 (2017)
The University of Defence in Brno has a new low-speed wind tunnel. In order to confirm the quality of the wind inside of the measurement section, several measurements of the dynamic pressure have been performed with the Pitot-static tube. The pressur
Externí odkaz:
https://doaj.org/article/cc2d76d2c6a24853af627be98bf0bef1
Autor:
Spálenský Vojtěch, Rozehnal Dalibor
Publikováno v:
MATEC Web of Conferences, Vol 107, p 00077 (2017)
Paper deals with problems of CFD simulating airflow over a dimpled spherical surface and its verification by the wind tunnel measurement. The low-cost simulation approach was applied to be run on a common PC using the commercial software ANSYS CFX. T
Externí odkaz:
https://doaj.org/article/69fca1c4d5534c4daffc48e3d003c332
Autor:
Nguyen Van Bang, Rozehnal Dalibor
Publikováno v:
MATEC Web of Conferences, Vol 107, p 00076 (2017)
The paper deals with the determination of the performance parameters of a small vertical axis wind turbines (VAWT), which operate by the utilization of drag forces acting on the blades of the turbine. The performance was evaluated by investigating th
Externí odkaz:
https://doaj.org/article/8d3c3315d26b42d8bd0d458db8dde70b
Autor:
Rozehnal Dalibor, Abu-darag Sakhr
Publikováno v:
EPJ Web of Conferences, Vol 25, p 01001 (2012)
Experimental exercise has been conducted to validate the capability of a new test apparatus. The test stand has been designed and constructed at the laboratory of aerodynamics, University of Defence to carry out the experimental investigation of tran
Externí odkaz:
https://doaj.org/article/8073ed6ed1274c69814f57671cd3c5b7
Autor:
Melcer, J., Kotrasová, K., Major, I., Benin, A.V., Hnidka, Jakub, Rozehnal, Dalibor, Maňas, Karel
Publikováno v:
MATEC Web of Conferences; 2020, Vol. 313, p1-8, 8p
Publikováno v:
MATEC Web of Conferences; 2020, Vol. 313, p1-8, 8p