Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Paweł RUCHAŁA"'
Publikováno v:
Energies, Vol 17, Iss 11, p 2765 (2024)
The development of wind energy has been observed for many years. Both construction firms and the scientific world are analyzing new design solutions, atmospheric conditions and the technical performance achieved. The main goal of this research is to
Externí odkaz:
https://doaj.org/article/7f1756265b26450193427e238aeccf7b
Publikováno v:
Energies, Vol 16, Iss 19, p 6965 (2023)
For many years, technological progress has been observed in the field of minimizing energy consumption by devices and increasing the efficiency of energy generation from freely available sources. Energy harvesting (EH) is one of the ways to increase
Externí odkaz:
https://doaj.org/article/0114f1879f104685ab86b42897b98646
Publikováno v:
Problemy Mechatroniki, Vol 7, Iss 1, Pp 79-96 (2016)
The Vortex Ring State (VRS) of the main rotor is one of the threats for the safety of a helicopter. Therefore this phenomenon has been intensively investigated for several years, in order to understand the mechanisms of its development and the possib
Externí odkaz:
https://doaj.org/article/2e3878e70fc8455b83089afe0cc37eb5
Problems of an Aerodynamic Interference between Helicopter Rotor Slipstream and an Elevated Heliport
Autor:
Paweł Ruchała, Kamila Grabowska
Publikováno v:
Journal of KONES. 26:189-196
An elevated heliport, as it has been defined by FAA (Federal Aviation Administration), is a heliport located on a rooftop or other elevated structure where the TLOF (touchdown and lift-off area) is at least 30 inches (76 cm) above the surrounding sur
Autor:
Sara Kuprianowicz, Tomasz Kwiatkowski, Charles Hirsch, Benoît Tartinville, George N. Barakos, George Zografakis, Todd Davidson, Paweł Ruchała, Yannick Hoarau, Damien Szubert, Wit Stryczniewicz, Flavien Billard, Robert Placek, Nikos Simiriotis, Sergio Pirozzoli, Marianna Braza, Jean-Baptiste Tô, Marek Miller, Matteo Bernardini, Holger Babinsky, Ioannis Asproulias, Janusz Sznajder, Wieńczysław Stalewski
Publikováno v:
Notes on Numerical Fluid Mechanics and Multidisciplinary Design ISBN: 9783030474607
Study of transition location effect (from natural transition to fully turbulent) on separation size, shock structure and unsteadiness was the focus of this WP. Boundary layer tripping (by wire or roughness) and flow control devices (VG) were used for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf1676d15866958df20a1acf9ce2e115
http://hdl.handle.net/11573/1541515
http://hdl.handle.net/11573/1541515
Autor:
Krzysztof Bogdanski, Paweł Ruchała, Adam Dziubiński, Marek Kalski, Jaroslaw Hajduk, Grzegorz Krysztofiak, Mateusz Lis, Cezary Galinski, Lukasz Stefanek, Marek Miller
Publikováno v:
Aircraft Engineering and Aerospace Technology. 90:586-601
Purpose The purpose of this paper is to present the methodology and approach adapted to conduct a wind tunnel experiment on the inverted joined-wing airplane flying model together with the results obtained. Design/methodology/approach General assumpt
Autor:
Paweł Ruchała, Robert Placek
Publikováno v:
Transportation Research Procedia. 29:323-329
Wind tunnel tests of a laminar airfoil have been performed at the Institute of Aviation in Warsaw. The main goal of the investigation was to study the separation process development in subsonic and early transonic flow regime. The airfoil chord was 0
Autor:
Jan Matyszewski, Dawid Cieśliński, Paweł Ruchała, Wit Stryczniewicz, Bartosz Bartkowiak, Robert Placek
Publikováno v:
Transactions on Aerospace Research. 2017:82-102
The paper presents results of wind tunnel tests of the Experimental Rocket Platform (ERP), which is developed in Institute of Aviation. It is designed as an easy accessible and affordable platform for microgravity experiments. Proposed design enables
Autor:
Krzysztof Szafran, Paweł Ruchała
Publikováno v:
Transactions of the Institute of Aviation. 244:257-266
Publikováno v:
Problems of Mechatronics. Armament, Aviation, Safety Engineering. 7:79-96