Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Mateusz ZIELIŃSKI"'
Publikováno v:
Problemy Mechatroniki, Vol 14, Iss 2, Pp 73-86 (2023)
The paper presents the results of computer simulations of the transient heat flow in the barrel wall of a 35 mm caliber cannon for a single shot and a sequence of seven shots for a selected 30HN2MFA barrel steel. It was assumed that the inner surface
Externí odkaz:
https://doaj.org/article/2702ede38e4f48c197a088aaee99f3be
Publikováno v:
Energies, Vol 17, Iss 3, p 702 (2024)
This paper presents the results of numerical simulations of heat transfer in a tube with a protective chromium layer on the inner surface made of steel, with different shrinkage temperatures. Shrinkage in the steel is an unfavorable phenomenon becaus
Externí odkaz:
https://doaj.org/article/680e82f239344e28987e4718d09e5c02
Publikováno v:
Applied Sciences, Vol 13, Iss 9, p 5523 (2023)
This paper presents the results of numerical calculations of heat transfer in the steel wall of a tube with different chromium layer thicknesses on the inner surface for a single and a sequence of heat impulses. In modeling the thermal phenomenon, th
Externí odkaz:
https://doaj.org/article/29cd531b7502488798b3bab59e6712ea
Publikováno v:
Biuletyn Wojskowej Akademii Technicznej, Vol 70, Iss 1, Pp 15-30 (2021)
Abstract. The paper presents numerical simulations of transient heat conduction in the uncooled nozzle of a short-range anti-aircraft rocket engine. The calculations were made for the configuration of the nozzle with an insert in the critical section
Externí odkaz:
https://doaj.org/article/cc811c6fb0254a9db09d93e260507a13
Publikováno v:
Energies, Vol 15, Iss 5, p 1868 (2022)
The results of numerical simulations of transient heat transfer in the barrel wall of a 35 mm caliber cannon for a single shot and the sequences of seven shots and sixty shots for chosen barrel steels are presented. It was assumed that the cannon bar
Externí odkaz:
https://doaj.org/article/25c6165d88d545b18091e297b9e02961
Autor:
Piotr Koniorczyk, Janusz Zmywaczyk, Andrzej Dębski, Mateusz Zieliński, Marek Preiskorn, Judyta Sienkiewicz
Publikováno v:
Metals, Vol 10, Iss 5, p 573 (2020)
In this paper, thermal diffusivity and heat capacity measurements were performed for three types of barrel steel, 38HMJ (1.8509), 30HN2MFA, and duplex (1.4462). Thermal diffusivity tests as a function of temperature were performed in the range of roo
Externí odkaz:
https://doaj.org/article/5cb2405ebcbb4ac98340f366d090cbf8
Publikováno v:
Political Preferences. :69-85
The main purpose of this article is to present the link between the level of media and information literacy (MIL) and political preferences of Polish students based on empirical research. MIL is a key issue for today’s societies as it equips citize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1029e844484de7a88f1699961811be21
https://doi.org/10.31261/polpre.2021.28.69-85
https://doi.org/10.31261/polpre.2021.28.69-85
Autor:
Jolanta Dopieralska, Mateusz Zieliński, Zdzislaw Belka, Aleksandra Walczak, Marcin Górka, Anna Wysocka, Andriy Poberezhskyy
Middle Miocene crystals of sabre gypsum and subcrystal of giant gypsum intergrowth cropping out in southern Poland near Busko have been analysed for their Sr isotope composition. The new isotopic data revealed fluctuations in 87Sr/86Sr values within
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be885fb9781c1740ba8258e5f29e4435
https://doi.org/10.5194/egusphere-egu22-6557
https://doi.org/10.5194/egusphere-egu22-6557
Publikováno v:
Materials
Volume 16
Issue 3
Pages: 1206
Volume 16
Issue 3
Pages: 1206
Measurements of thermal diffusivity, heat capacity and thermal expansion of X37CrMoV5-1 (1.2343) hot-work tool steel and Maraging 350 (1.6355) steel in the temperature range from −50 °C to 1000 °C were carried out in this paper. Both X37CrMoV5-1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2604c165888041838b984dc21eca7ca2
https://doi.org/10.3390/ma16031206
https://doi.org/10.3390/ma16031206
Autor:
Janusz Zmywaczyk, Mateusz Zieliński, Piotr Koniorczyk, Judyta Sienkiewicz, Andrzej Dębski, Marek Preiskorn
Publikováno v:
Materials
Volume 14
Issue 20
Materials, Vol 14, Iss 6043, p 6043 (2021)
Volume 14
Issue 20
Materials, Vol 14, Iss 6043, p 6043 (2021)
The purpose of this study is to investigate the effect of heat treatments and resulting changes in microstructure on the thermophysical properties of commercial 1.4462 duplex stainless steel. Three types of heat treatment and a raw sample were used.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0be47247dc67caf6806e5f7c0ce3c893
https://pubmed.ncbi.nlm.nih.gov/34683630
https://pubmed.ncbi.nlm.nih.gov/34683630