Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Grzegorz Jastrzębski"'
Autor:
Grzegorz Jastrzębski, Leszek Ułanowicz
Publikováno v:
Energies, Vol 15, Iss 22, p 8424 (2022)
The motivation behind solving the issue of estimating the flow parameters of the pneumatic system of a launcher was the need to obtain the take-off energy with a value exceeding 80 kJ. The take-off energy and the initial speed of the unmanned aerial
Externí odkaz:
https://doaj.org/article/8133b572f7cc414180eef60726a38f9e
Publikováno v:
Aerospace, Vol 7, Iss 4, p 41 (2020)
Defects in an aircraft can be caused by design flaw, manufacturer flaw or wear and tear from use. Although inspections are performed on the airplane before and after flights, accidents still result from faulty equipment and malfunctioning components.
Externí odkaz:
https://doaj.org/article/ec3d182c6e084172889243a216fc71c6
Autor:
Leszek Ułanowicz, Grzegorz Jastrzębski, Paweł Szczepaniak, Ryszard Sabak, Dariusz Rykaczewski
Publikováno v:
Journal of KONBiN, Vol 50, Iss 3, Pp 257-276 (2020)
Hydraulic pumps are among the most complex and responsible units from the point of view of aircraft flight safety. One of the most important scientific and technical problems in improving the reliability of hydraulic pumps is to understand the physic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cb893aaa1a700e2dd705e23a7fa7625
https://doaj.org/article/ac5830c77202461f98e87045aaf6c954
https://doaj.org/article/ac5830c77202461f98e87045aaf6c954
Publikováno v:
Eksploatacja i Niezawodność – Maintenance and Reliability. 22:557-564
Throughout previous practice, estimating the life of aviation hydraulic drive assemblies has been utilizing a variant, which requires conducting long-lasting studies of the drive assemblies until they move to the unfitness state. Such studies, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::511da0df13cb24815d650b7c867465ec
https://doi.org/10.17531/ein.2020.3.19
https://doi.org/10.17531/ein.2020.3.19
Autor:
Marek Krukowski, Urszula Winiarska, Sebastian Gronek, Paweł Szczepaniak, Grzegorz Jastrzębski, Maciej Kamiński
Publikováno v:
Journal of KONBiN, Vol 50, Iss 2, Pp 83-105 (2020)
The article presents the tests that were conducted to examine the possibility of the fuel filter shank’s thread shearing under the impact of hydrostatic pressure. Increased wear due to friction was confirmed on the threads of the titanium shanks th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c582dbd84f34ccbfd1ab1784d1cab3b
https://doaj.org/article/ace050b7c0314392ab627252ef5f2d6e
https://doaj.org/article/ace050b7c0314392ab627252ef5f2d6e
Publikováno v:
Journal of KONBiN, Vol 50, Iss 2, Pp 127-144 (2020)
One of the approaches to ensure friction stability in hydraulic precise pairs can be coating their components with low-friction materials with the friction coating method using a metal, e.g. brass. The article presents the method of applying brass on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb785df77962d444df6498d82bc0ac21
https://doi.org/10.2478/jok-2020-0031
https://doi.org/10.2478/jok-2020-0031
Publikováno v:
Journal of KONBiN, Vol 50, Iss 1, Pp 305-318 (2020)
The article presents a methodology for the implementation of preliminary and state tests on the example of the project entitled “Jet air targets with a programmable flight route” conducted by the Air Force Institute of Technology. The experience
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cf7f8465c1412bdc06d09ff90d1b34c
https://doaj.org/article/848a94214c894838b6a04024f3bf5752
https://doaj.org/article/848a94214c894838b6a04024f3bf5752
Autor:
Leszek Ułanowicz, Grzegorz Jastrzębski
Publikováno v:
Energies; Volume 15; Issue 22; Pages: 8424
The motivation behind solving the issue of estimating the flow parameters of the pneumatic system of a launcher was the need to obtain the take-off energy with a value exceeding 80 kJ. The take-off energy and the initial speed of the unmanned aerial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c8485fd41c861f14e7a3fc8287231bd
https://doi.org/10.3390/en15228424
https://doi.org/10.3390/en15228424
Publikováno v:
Aerospace
Volume 7
Issue 4
Aerospace, Vol 7, Iss 41, p 41 (2020)
Volume 7
Issue 4
Aerospace, Vol 7, Iss 41, p 41 (2020)
Defects in an aircraft can be caused by design flaw, manufacturer flaw or wear and tear from use. Although inspections are performed on the airplane before and after flights, accidents still result from faulty equipment and malfunctioning components.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c88f67a6a32d45f3b76eda1f8e45472
Publikováno v:
Journal of KONBiN, Vol 48, Iss 1, Pp 371-383 (2018)
The correct operation of the hydraulic pump and achieving the assumed durability depends on the purity of the used working fluid. The research paper discusses a method for evaluating the contamination sensitivity of a hydraulic plunger pump. The theo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28c7c1587c2dc0b54a7b0b85b9b154e1
https://doi.org/10.2478/jok-2018-0061
https://doi.org/10.2478/jok-2018-0061