Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Łukasz Omen"'
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 5, Pp 280-288 (2023)
The article addresses the issue of the possibility of improving the thermal transport parameters of an epoxy resin, such as thermal diffusivity (TD) and thermal conductivity (TC), by the addition of carbon nanotubes (CNT) as a high thermal conductivi
Externí odkaz:
https://doaj.org/article/fb1aa9c541064ebbb91d22808da35ab9
Publikováno v:
Problemy Mechatroniki, Vol 13, Iss 3, Pp 67-82 (2022)
This paper presents the results of aerodynamic testing of air-launch rocket kit models for launching payloads into a low Earth orbit. The work was performed in a low-speed wind tunnel at the Military University of Technology (MUT, Warsaw, Poland)), u
Externí odkaz:
https://doaj.org/article/b3ad3ad409714f86898187d45f33928a
Publikováno v:
Advances in Sciences and Technology, Vol 16, Iss 2, Pp 249-261 (2022)
The aim of this study was to determine the rate of formation of selected fire threats in the terminal of a local passenger airport and to estimate the time for safe and effective evacuation of occupants of the terminal covered by fire. To achieve thi
Externí odkaz:
https://doaj.org/article/fcbe900633074a599f363e4503a451a9
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 69, Iss 4, Pp 57-72 (2020)
The work presents description and operation of the mobile engine test station, designed for the miniature turbine jet engines with a maximum trust below 200 N. The engine test bed allows us to monitor the condition of the engine used to drive remotel
Externí odkaz:
https://doaj.org/article/ee7f9ad96f7743a9ad1de6b7cdc49d49
Publikováno v:
Problemy Mechatroniki, Vol 9, Iss 4, Pp 71-84 (2018)
This paper presents the results of a numerical investigation into the effect of blade trailing-edge thickness and shape on the performance of a rotor ring model of axial fan. The numerical simulations carried out under this investigation provided the
Externí odkaz:
https://doaj.org/article/bb617a88ec054b2aa4986af185693779
Autor:
Marek ROŚKOWICZ, Ryszard CHACHURSKI, Sławomir TKACZUK, Piotr LESZCZYŃSKI, Maciej MAJCHER, Łukasz OMEN
Publikováno v:
Problemy Mechatroniki, Vol 9, Iss 4, Pp 85-100 (2018)
This paper presents a numerical strength analysis of a ducted axial fan blade. Ducted axial fans are a large group of fluid-flow machines. The analysis was designed to determine the causes of cyclic failures of a ventilation unit. The paper presents
Externí odkaz:
https://doaj.org/article/7b4908cccd5146c8b5f74c0f801db731
Autor:
Łukasz OMEN, Andrzej PANAS
Publikováno v:
Problemy Mechatroniki, Vol 9, Iss 1, Pp 79-92 (2018)
The modified temperature oscillation method was applied for investigation of thermal diffusivity of the aviation turbine engine’s part. The studies resulted in characterization of the applied method and experimental procedures performance. They wer
Externí odkaz:
https://doaj.org/article/f4549733a1044cb897ed2715c76a0628
Publikováno v:
Materials, Vol 14, Iss 8, p 2035 (2021)
The complex thermophysical property of temperature-sensitive paint (TSP) research is discussed. TSP is used for visualization of the surface temperature distribution in wind tunnel aerodynamic tests. The purpose of this research was to provide reliab
Externí odkaz:
https://doaj.org/article/8b11fba4e8c94ff28a9e922ea757f5ab
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
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-