Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Yuri N. Zavalov"'
Publikováno v:
Optical Measurement Systems for Industrial Inspection XI.
Experimental results of on-line monitoring of temperature on the surface of a melt of stainless steel 304 in laser metal deposition technology with an inclined position of the sensor relative to the laser beam are presented. The additive synthesis se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d63b636c1f573cdd7a132ed52f7007e
https://doi.org/10.1117/12.2527636
https://doi.org/10.1117/12.2527636
Publikováno v:
Optical Measurement Systems for Industrial Inspection XI.
The results of optical diagnostics of physical processes occurring on the surface of Nickel alloy powder melt in selective laser melting (SLM) technology are presented. The independent registration of the dynamics of the brightness temperature and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74bb94e74f707609ac8b2d21d376a815
https://doi.org/10.1117/12.2527632
https://doi.org/10.1117/12.2527632
Publikováno v:
Optical Measurement Systems for Industrial Inspection X.
The estimation of temperature variations in five regions of layer track is fulfilled in two different cases of layer track formation: laser aided metal powder deposition and selective laser melting with a pre-deposited layer of metal powder. The pecu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1566ec14b62ba1e897f7f3612a033a71
https://doi.org/10.1117/12.2270239
https://doi.org/10.1117/12.2270239
Publikováno v:
SPIE Proceedings.
3D mathematical model of non-stationary processes of heat and mass transfer was developed for additive manufacturing of materials by direct laser metal deposition. The model takes into account self-consistent dynamics of free surface, temperature fie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12e30631d92101880f32192b6c5f0f28
https://doi.org/10.1117/12.2270269
https://doi.org/10.1117/12.2270269
Autor:
S. A. Buyarov, M. G. Galushkin, Vladimir S. Golubev, Roman V. Grishaev, Yuri N. Zavalov, V. D. Dubrov
Publikováno v:
SPIE Proceedings.
The isobaric fluctuations of temperature and density, attending with turbulent adiabatic fluctuations of velocity, have been evaluated under spatial non-uniformity of temperature and at heat generation in the incompressible flow. The character of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0715d69b14f46c14ec0b8b611cb36f26
https://doi.org/10.1117/12.611040
https://doi.org/10.1117/12.611040
Publikováno v:
SPIE Proceedings.
The spectra of pulsation of signal beam of intracavity four-wave mixing in 1 kW fast-axial-flow CO 2 laser were measured. The information about turbulent parameters of laser-active medium flow was obtained.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4450e2ab4e99dceba382e88c327929d9
https://doi.org/10.1117/12.563110
https://doi.org/10.1117/12.563110
Autor:
R. V. Grishayev, Vladislav Ya. Panchenko, V. D. Dubrov, Andrei A. Kotkov, Michail G. Galushkin, S. A. Buyarov, Yuri N. Zavalov, Andrei A. Ionin, Vladimir S. Golubev
Publikováno v:
SPIE Proceedings.
The characteristics of turbulent flow of laser mixture in high-power industrial CO 2 lasers with fast axial flow have an influence on energy parameters of laser beam. In particular the transverse size of DC discharge and discharge stability depend on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b55d153a01d8aa52377f69c5b0d721
https://doi.org/10.1117/12.464130
https://doi.org/10.1117/12.464130
Autor:
Michail G. Galushkin, R. V. Grishayev, Vladislav Ya. Panchenko, Yuri N. Zavalov, Vladimir S. Golubev
Publikováno v:
SPIE Proceedings.
The method of estimation of Cn2 of laser mixture turbulent flow is proposed based on experimental dependencies of amplitude of gas pulsation on spatial pulsation scale. The connection between degree of nonequilibrium and C,2 magnitude is shown. The b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28bab552c3aa958467c510d6ee28b1eb
https://doi.org/10.1117/12.413962
https://doi.org/10.1117/12.413962
Publikováno v:
SPIE Proceedings.
The luminescence method and the method of dual-beam shear interferometry were used to perform the measurements of spatial and time characteristics of molecular gas subsonic turbulent flow fluctuations under strong vibrational non- equilibrium. Gas-di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d559ecbadfc1df103165d87f75f78d86
https://doi.org/10.1117/12.367583
https://doi.org/10.1117/12.367583
Autor:
Michail G. Galushkin, Yuri N. Zavalov, Vladislav Ya. Panchenko, Vladimir S. Golubev, Valentina Ye. Zavalova, N. G. Dubrovin
Publikováno v:
SPIE Proceedings.
The luminescent method and the method of double-beam shear interferometry were used to measure the spatial and temporary characteristics of density fluctuations of the turbulent flow in the CO2 laser tube with fast-axial flow under the conditions of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ff1419198e723a52706f96fcb601ac4
https://doi.org/10.1117/12.335858
https://doi.org/10.1117/12.335858