Zobrazeno 1 - 10 of 56 pro vyhledávání: '"V A Krupenin"'
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Akademický článek
Nanoscale real-time detection of quantum vortices at millikelvin temperatures
Autor: A. Guthrie, S. Kafanov, M. T. Noble, Yu. A. Pashkin, G. R. Pickett, V. Tsepelin, A. A. Dorofeev, V. A. Krupenin, D. E. Presnov
Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-6 (2021)
Previous work has shown the detection of quantum turbulence with mechanical resonators but with limited spatial and temporal resolution. Here, the authors demonstrate real-time detection of single quantum vortices in superfluid 4He with millisecond a
Externí odkaz: https://doaj.org/article/8b6d9026f5f34f45b4bda6e4b2e8271d
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2
Comparative analysis of daily electrocardiogram monitoring recording using the 'standard' and 'optimized' techniques of electrode placement on the chest
Autor: E. A. Stepanets, D. P. Salivonchik, V. P. Krupenin
Publikováno v: Health and Ecology Issues. 19:27-34
Objective. To analyze a HM ECG recording in the placement of the electrodes in accordance with the procedure established by the manufacturer for the domestic recorder “Cardian-SDM” and in changed placement of the electrodes.Materials and methods.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca2f7f387d0ace5e0df67d2fd170ca26
https://doi.org/10.51523/2708-6011.2022-19-1-04
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3
Calculation of Vibroshock Processes with Repeated Collisions (Bouncing)
Autor: V. L. Krupenin
Publikováno v: Journal of Machinery Manufacture and Reliability. 49:177-183
In this paper, we consider the problem of calculating the parameters of damped oscillations under the collision of two systems with one degree of freedom. Such oscillations can be accompanied by vibroshock processes with repeated collisions (modes wi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a06bc7956b8e0b0d05d75fc1d1a4b65
https://doi.org/10.3103/s1052618820030073
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4
Dispersion and attenuation of a longitudinal wave propagating in a metamaterial defined as a mass-to-mass chain
Autor: V. L. Krupenin, D. A. Kolesov, V. I. Erofeev
Publikováno v: PNRPU Mechanics Bulletin. :6-18
We study the features of propagation of a longitudinal wave in an acoustic (mechanical) metamaterial, modeled as a one-dimensional chain, containing equal masses, connected by elastic elements (springs), and having the same rigidity. Each mass contai
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9aa22ca910f0f40b54f5daab5ebb3794
https://doi.org/10.15593/perm.mech/2019.4.01
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5
Description of the Fields of Vibration in 2D Latticed Structures with Triangular (Hexagonal) Cells
Autor: V. L. Krupenin
Publikováno v: Journal of Machinery Manufacture and Reliability. 48:525-534
This article deals with the problem of describing the fields of vibration in string lattices with triangular (centered hexagonal) cells. The problems of this kind have not been adequately studied despite the fact that the required models find applica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4980ce0a0810f1100505d36d1f69bc62
https://doi.org/10.3103/s1052618819030087
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9
On the qualitative analysis of nonlinear resonant modes in multidimensional structures
Autor: V. L. Krupenin
Publikováno v: Journal of Machinery Manufacture and Reliability. 46:341-348
The resonant behavior of multidimensional structures simulated via strongly nonlinear dynamic systems has been studied. The energy balance principle has been applied for the qualitative analysis of these systems. The number of potential nonlinear res
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe261ddb9315870e7c11ab31e49cd5ed
https://doi.org/10.3103/s1052618817040094
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10
Vibration of string placed between extended and point limiters
Autor: V. L. Krupenin
Publikováno v: Journal of Machinery Manufacture and Reliability. 46:96-104
A string that performs plain vibrations and is placed between two limiters, one of which is a straight extended wall while the other is a point obstacle, has been considered. A model of the vibroimpact system with the distributed impact elements has
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd31fb4ca6a92cc224bdac10a3e1b1ef
https://doi.org/10.3103/s105261881702008x
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