Zobrazeno 1 - 10
of 31
pro vyhledávání: '"V.N. Goverdovskiy"'
Autor:
V.N. Goverdovskiy, M. Chen, Z.H. Xu, I. K. Chakin, S. P. Bardakhanov, A. P. Zavjalov, D. Yu. Trufanov, K. V. Zobov, C.-M. Lee
Publikováno v:
Applied Acoustics. 139:69-74
A new approach to the design of sound-absorbing materials was experimentally investigated. Improved acoustic properties were obtained in a wider frequency range through the impregnation of nanoporous grit into foam pores. Using this approach, the ran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0ea106081ac259ef31a6e5db9685501
https://doi.org/10.1016/j.apacoust.2018.04.024
https://doi.org/10.1016/j.apacoust.2018.04.024
Autor:
C.-M. Lee, V.N. Goverdovskiy
Publikováno v:
Journal of Sound and Vibration. 373:19-28
Vibration isolation in a range as close to zero frequency as possible is important for human and sensitive high-precision equipment. Springs with variable sign-changing stiffness can cancel the stiffness and provide perfect vibration isolation. Howev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3830c3fdd2d3d899ed9e49358f296634
https://doi.org/10.1016/j.jsv.2016.03.004
https://doi.org/10.1016/j.jsv.2016.03.004
Publikováno v:
Journal of Sound and Vibration. 366:15-26
This paper presents a strategy based on the approach of designing and inserting into helicopter vibration isolation systems mountable mechanisms with springs of adjustable sign-changing stiffness for system stiffness control. A procedure to extend th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43c98715810f83744e2e191061ac8f83
https://doi.org/10.1016/j.jsv.2015.08.024
https://doi.org/10.1016/j.jsv.2015.08.024
Publikováno v:
Journal of Sound and Vibration. 361:99-107
This paper presents an approach to upgrade a bogie suspension (without a damaging) and thus to increase vibration isolation of a carbody in the infra frequency range, which is most important for ride comfort. The approach involves analysis of kinemat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66aabb8d6c8e5d8a5cbcf29c97f2e88d
https://doi.org/10.1016/j.jsv.2015.07.019
https://doi.org/10.1016/j.jsv.2015.07.019
Autor:
Chang-Myung Lee, V.N. Goverdovskiy
Publikováno v:
2016 11th International Forum on Strategic Technology (IFOST).
Efficiency of existing vibration protection systems is restricted to train speeds of 250 kph, which reach 600 kph. The distance and time of the high-speed transport magnifies at least 3 times the gap between the efficiency and vibration limits set by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cb07099df71bde067b815e29ff568c9
https://doi.org/10.1109/ifost.2016.7884275
https://doi.org/10.1109/ifost.2016.7884275
Autor:
V.N. Goverdovskiy, C.-M. Lee
Publikováno v:
Journal of Sound and Vibration. 331:914-921
The intensity of mechanical vibrations generated by a moving train increases at high speeds. Conventional railroad vibration isolation systems are either insensitive or inefficient in the infra-low frequency range, which is the range most hazardous t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcb7dbf8155d69309f64004ead514978
https://doi.org/10.1016/j.jsv.2011.09.014
https://doi.org/10.1016/j.jsv.2011.09.014
Publikováno v:
Journal of Sound and Vibration. 302:865-874
Minimization of the fundamental frequencies of a vibratory system by means of springs with “negative” stiffness is probably the only way to attain infra-frequency vibration isolation under gravitation. Traditionally, the design of similar springs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fafd40599e2b35b015535bf1e1121fa8
https://doi.org/10.1016/j.jsv.2006.12.024
https://doi.org/10.1016/j.jsv.2006.12.024
Publikováno v:
Journal of Sound and Vibration. 292:435-442
Quality of vibration isolation of vehicle drivers in the infra-narrow band is the most essential and simultaneously is a hard-hitting goal. Use of the “negative” stiffness’ phenomenon is a unique concept to minimize stiffness of a vibration iso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2aeb0a64bbfd8a32f0fee37929fe4256
https://doi.org/10.1016/j.jsv.2005.08.027
https://doi.org/10.1016/j.jsv.2005.08.027
Publikováno v:
Journal of Sound and Vibration. 272:643-655
Dynamic stability in the large is considered subject to the vibration protecting mechanisms (VPMs) containing elastic links with “negative” stiffness. This analysis plays an important role in the estimation of an opportunity for improvement of vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29628f757f672b44bd4249766c1993ae
https://doi.org/10.1016/s0022-460x(03)00390-0
https://doi.org/10.1016/s0022-460x(03)00390-0
Autor:
C.-M. Lee, V.N. Goverdovskiy
Publikováno v:
Journal of Sound and Vibration. 249:635-647
The up-to-date level and a few of the prospects are considered in transport biomechanical vibration protection systems. An experimental estimation of the maximum capabilities of traditional vibration protecting mechanisms (VPMs) used in driver seats
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::158425509bb53dbfe7e61ba55e0337ff
https://doi.org/10.1006/jsvi.2001.3839
https://doi.org/10.1006/jsvi.2001.3839