Zobrazeno 1 - 10
of 43
pro vyhledávání: '"V. A. Kop'ev"'
Autor:
V. F. Kop’ev, A. V. Plastinin, M. Yu. Zaitsev, M. S. Kotelnikova, V. V. Nikulin, D. G. Akhmetov, E. A. Chashnikov
Publikováno v:
Combustion, Explosion, and Shock Waves. 55:390-394
By initiating explosive charges in a cylindrical tube with one end face being plugged, vortex rings with diameters of the order of 1 m and initial velocity of motion greater than 100 m/s are obtained. Such rings emit a clearly heard acoustic signal,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::248ff5923b58e7718b9609e6097d305b
https://doi.org/10.1134/s0010508219040038
https://doi.org/10.1134/s0010508219040038
Publikováno v:
Russian Physics Journal. 60:2032-2035
The paper presents experimental research into semiconductor lasers incorporated in heteronanostructures intended for wireless power transmission.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0f4e1b248c93ea471e6b94e8a1b610b
https://doi.org/10.1007/s11182-018-1320-y
https://doi.org/10.1007/s11182-018-1320-y
Autor:
S. L. Denisov, S. Yu. Makashov, V. V. Gromov, M. Yu. Zaitsev, Nikolai N. Ostrikov, V. A. Anikin, V. F. Kop’ev
Publikováno v:
Acoustical Physics. 62:741-746
The paper presents the results of experimental studies on developing a technique to determine the acoustic properties of models of main helicopter rotors on an open test bench. The method of maximum length sequences is used to choose the optimum arra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2113e3878c72a0bf6f15876e34a514a2
https://doi.org/10.1134/s1063771016050043
https://doi.org/10.1134/s1063771016050043
Publikováno v:
High Temperature. 49:731-735
Optical emission spectra of microwave discharges at the powder mixture surface are experimentally recorded, indicating spatial temperature nonuniformity the within the field of vision. Within the field of vision, the maximal and minimal temperature v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbc68a298e0f0bbb4f6721b608a52142
https://doi.org/10.1134/s0018151x11050026
https://doi.org/10.1134/s0018151x11050026
Autor:
V. A. Kop’ev, E M Barkhudarov, I. A. Kossyi, N. M. Tarasova, S. M. Temchin, Nikolay Popov, T. S. Zhuravskaya, V. V. Markov, M. I. Taktakishvili, V. A. Levin, N. K. Berezhetskaya
Publikováno v:
High Temperature. 48:620-628
Experimental and theoretical investigations are performed of gasdynamic phenomena accompanying a ring electric discharge excited in air at atmospheric pressure. It is experimentally demonstrated that the discharge generates a toroidal (three-dimensio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52417552d2550275d8c74c4defd4c633
https://doi.org/10.1134/s0018151x10050020
https://doi.org/10.1134/s0018151x10050020
Publikováno v:
Russian Physics Journal. 56:757-759
In the present work, the external quantum efficiency of the blue LED- structures based on InGaN/GaN is studied as a function of the current density (or intensity of optical excitation) under electroluminescence (or photoluminescence) at different tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5262df98ad8779af4190226590e2e546
https://doi.org/10.1007/s11182-013-0096-3
https://doi.org/10.1007/s11182-013-0096-3
Autor:
S. I. Gritsinin, N. K. Berezhetskaya, Nikolay Popov, N. M. Tarasova, I. A. Kossyi, P. S. Kuleshov, V. A. Kop’ev, A. M. Starik
Publikováno v:
Scopus-Elsevier
Results are presented from experimental studies and numerical calculations of the ignition of a stoichiometric CH4: O2 gas mixture by a high-current gliding discharge. It is shown that this type of discharge generates an axially propagating thermal w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87600e16739b6a42bbb3f7ee9b08dd25
https://doi.org/10.1134/s1063780x09060038
https://doi.org/10.1134/s1063780x09060038
Publikováno v:
Technical Physics. 53:1382-1385
It is shown that a metal plasma with a temperature of 10 kK arises on the surface of a metal-insulator powder subjected to a 0.3-to 1.0-ms-long microwave pulse. The pulse triggers an exothermal chemical reaction in the Ti-B or Al-Fe2O3 powder mixture
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fed17b74513596e3187727f32354e042
https://doi.org/10.1134/s1063784208100228
https://doi.org/10.1134/s1063784208100228
Autor:
Georgy A. Faranosov, V. F. Kop’ev
Publikováno v:
Acoustical Physics. 54:319-326
The problem of generation of an instability wave leaving the edge of a half-plane that separates an immobile medium from a moving medium is considered. It is assumed that the instability wave is initiated by an acoustic wave arriving from the moving
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aea76ceb7c8ad8fa97103596f151e712
https://doi.org/10.1134/s1063771008030056
https://doi.org/10.1134/s1063771008030056
Autor:
M. Misakyan, I. M. Taktakishvili, V. A. Kop’ev, I. A. Kossyi, N. K. Berezhetskaya, S. M. Temchin, Young dong Lee
Publikováno v:
The European Physical Journal Applied Physics. 42:327-337
Scheme of coaxial microwave gas-discharge plasma source based on a “plasma resonance” phenomenon is presented. Possibility of conditions realization at which energy of accelerated in the “resonance” electrons goes into ionization processes (i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4bae6ded984411a0fc97e08e1a48959
https://doi.org/10.1051/epjap:2008074
https://doi.org/10.1051/epjap:2008074