Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Aleksander, Olejnik"'
Publikováno v:
Transport Problems, Vol 16, Iss 4, Pp 199-206 (2021)
Biofuel use is one of the basic strategies to reduce the negative impact of aviation on the environment. Over the past two decades, a number of biofuels produced from plants, lubricants and maintenance products have been developed and introduced.
Externí odkaz:
https://doaj.org/article/a1dc9b57d96c46b3aa70cca1aaabeff5
Autor:
Aleksander Olejnik, Piotr Zalewski
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 69, Iss 3, Pp 89-103 (2020)
The work is an announcement on the current state of the research project implementation. The study presents the results of an analysis of the project’s research area. On this basis, the two-stage micro-satellite launch system was selected. The syst
Externí odkaz:
https://doaj.org/article/c4963b1c7a5c4746b5a6e2fe39e3e35d
Publikováno v:
Aerospace, Vol 9, Iss 6, p 284 (2022)
In recent decades, the rapid development of alternative methods for launching satellites into space has been observed. The main purpose of this work is to obtain reliable information about aerodynamic properties, which will be useful in the prelimina
Externí odkaz:
https://doaj.org/article/bb285aed5cb6493798ce7cc62a193ad6
Publikováno v:
Problemy Mechatroniki, Vol 9, Iss 1, Pp 129-146 (2018)
Celem niniejszego artykułu jest zaprezentowanie metody bezdotykowego pomiaru postaci drgań własnych izolowanych elementów konstrukcyjnych silników turbinowych z wykorzystaniem wibrometru laserowego. Badaniom poddano dwa dostępne elementy konstr
Externí odkaz:
https://doaj.org/article/dbeb96c573e8476683a053091f03cb86
Autor:
Aleksander Olejnik, Piotr Zalewski, Łukasz Kiszkowiak, Robert Rogólski, Adam Dziubiński, Michał Frant, Maciej Majcher, Łukasz Omen
Publikováno v:
Aircraft Engineering and Aerospace Technology. 95:629-636
Purpose The purpose of this study was to analyze the possibility of using combat aircraft including decommissioned as a platform for launching and carrying space rockets with satellites (nano and microsatellites). Thus, an airborne-launcher-to-space-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8942e35b6103b957553a46e3d6c2af1
https://doi.org/10.1108/aeat-02-2022-0041
https://doi.org/10.1108/aeat-02-2022-0041
Autor:
Zdobyslaw Goraj, Andrzej Frydrychewicz, Stanislaw Danilecki, Aleksander Olejnik, Łukasz Kiszkowiak
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 237:1696-1707
This paper presents the development of an aerobatic aircraft including the influence of platform configuration on performance, elegance and safety of aerobatic manoeuvres. Several aircraft of different wing loadings were compared and the reduction of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27d8057d86b84ddee3f3f41f22accae0
https://doi.org/10.1177/09544100221136327
https://doi.org/10.1177/09544100221136327
Publikováno v:
Problemy Mechatroniki, Vol 8, Iss 3, Pp 127-144 (2017)
Przed wydaniem świadectwa typu dla wprowadzanego do eksploatacji samolotu nadzór lotniczy w myśl obowiązujących przepisów określa wymogi dotyczące min. testów wibracyjnych. Na etapie uzyskiwania zgody na próby w locie należy wykazać brak
Externí odkaz:
https://doaj.org/article/62417426d04449c6810ae61238765c49
Publikováno v:
Energies, Vol 14, Iss 1, p 50 (2020)
This paper presents an algorithm applied for determining temperature distribution inside the gas turbine blade in which the external surface is coated with a protective layer. Inside the cooling channel, there is a porous material enabling heat to be
Externí odkaz:
https://doaj.org/article/a15fd1a6823e4a5c9fb41b8966b21905
Autor:
Aleksander Olejnik, Łukasz Kiszkowiak, Robert Rogólski, Grzegorz Chmaj, Michał Radomski, Maciej Majcher, Łukasz Omen
Publikováno v:
Sensors, Vol 20, Iss 7, p 2003 (2020)
This paper describes the possibility of using a small autonomous helicopter to perform tasks using a remote sensing system. This article further shows the most effective way to properly set up autopilot and to process its validation during flight tes
Externí odkaz:
https://doaj.org/article/198d05bdb734423ba7075bcd0bc39e22
Publikováno v:
Sensors, Vol 20, Iss 6, p 1752 (2020)
The article is a development of the topic generally presented in the conference proceedings issued after the 2019 IEEE International Workshop on Metrology for Aerospace. In contrast to topics presented in the conference, the article describes in deta
Externí odkaz:
https://doaj.org/article/b50caa7721814b0484dfcb54b4675f45