Temat: Vacuum Packed Particles - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Semi-active linear vacuum packed particles damper
Autorzy:: Zalewski, R.
Chodkiewicz, P.
Powiązania:: https://bibliotekanauki.pl/articles/280812.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: Vacuum Packed Particles
modeling
underpressure
experiments
Opis:: In this paper, the authors focus on the proposition of an innovative semi-active linear damper prototype working on the basis of granular materials. Vacuum Packed Particles (VPP) belong to the class of materials whose mechanical (rheological, dissipative) properties may be quickly changed by applying a partial vacuum inside the system. The concept of an innovative linear damper based on VPP is presented in the paper. Typical experimental results are presented to reveal changeable damping characteristics of the device. Additionally, the mathematical model is proposed to capture extraordinary features of the investigated damper.
Źródło:: Journal of Theoretical and Applied Mechanics; 2016, 54, 1; 311-316
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The use of Vacuum Packed Particles with adaptable properties in acoustic applications
Autorzy:: Zalewski, R.
Rutkowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/280992.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: Vacuum Packed Particles
absorption coefficient
experiments
Voronina model
Opis:: The aim of this paper is to present possibilities of using a new type of granular media in acoustics as innovative sound absorbers. Most materials of this type have a porous or fibrous structure. It is constant, and once manufactured, does not easily change its configuration. The examined material – Vacuum Packed Particles (VPP) is of a changeable structure. It can be assumed that the acoustical absorption of such structures can be modified and partially adjusted by an external factor. First steps in an experimental approach have been made – the acquired results are optimistic. Additional tests are being planned to confirm the observed phenomenon and to apply VPP as novel materials in acoustics. Basing on the preliminary experimental tests, it can be concluded that the considered structures could become a significant part of a multilayered structure which would have controllable sound absorption properties.
Źródło:: Journal of Theoretical and Applied Mechanics; 2018, 56, 2; 403-416
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Vibration analysis for vehicle with vacuum packed particles suspension
Autorzy:: Makowski, M.
Zalewski, R.
Powiązania:: https://bibliotekanauki.pl/articles/282085.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: Vacuum Packed Particles
vibration damping
semi-active
smart materials
Opis:: The paper concerns an effect of the damping force controlling a vehicle suspension system. The investigated vehicle suspension system consists of innovatory Vacuum Packed Particles controllable dampers which allow controlling the vehicle body vibration. The main objective of performed and presented in the paper studies is to determine properties of the Vacuum Packed Particles (VPP) damper and propose a preliminary control strategy. The control in the vehicle suspension system can be realized by controlling the underpressure resulting in various jamming mechanisms in the granular core. Some algorithms of vibration control are also proposed and discussed.
Źródło:: Journal of Theoretical and Applied Mechanics; 2015, 53, 1; 109-117
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Preliminary study of the Vacuum Packed Particles torsional damper
Autorzy:: Zalewski, Robert
Rodak, Dominik
Powiązania:: https://bibliotekanauki.pl/articles/1839686.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: Vacuum Packed Particles
torsional damper
experimental research
Bouc-Wen model
Opis:: The paper presents a prototype of an innovatory controllable torsional damper. The device is composed of Vacuum Packed Particles. Such structures are made of granular materials placed in a hermetic soft encapsulation. Generating so called underpressure inside the system changes global dissipative properties of the granular structure. The partial vacuum value is a convenient way to control physical properties of the granular structure. The authors introduce an original prototype of a torsional vibration attenuator. In the experimental part, preliminary experimental results are presented and discussed. To capture the real response of the device, a Bouc-Wen rheological model is adopted.
Źródło:: Journal of Theoretical and Applied Mechanics; 2021, 59, 1; 173-178
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Possibilities of vacuum packed particles application in blast mitigation seats in military armored vehicles
Autorzy:: Rodak, Dominik
Żurawski, Mateusz
Gmitrzuk, Michał
Starczewski, Lech
Powiązania:: https://bibliotekanauki.pl/articles/2173527.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: blast mitigation seat
STANAG 4569
drop test
Vacuum Packed Particles
fotel łagodzący skutki wybuchu
test upadku
cząstki pakowane próżniowo
Opis:: Blast mitigation continues to be a popular field of research when military vehicles are concerned. The main problem is coping with the vehicle global motion consequences following an explosion. The paper presents a potential application of the linear vacuum packed particle (VPP) damper as a supplementation for a viscous shock absorber in a traditional blast mitigation seat design. The paper also presents field test results for the underbelly blast explosion, comparing them to the laboratory tests carried out on the impact bench. To collect accelerations, the anthropomorphic test device, i.e. the Hybrid III dummy, was used. A set of numerical simulations of the modified blast mitigation seat with the additional VPP linear damper were revealed. The VPP damper was modeled according to the Johnson–Cook model of viscoplasticity. The Hertzian contact theory was adopted to model the contact between the vehicle and the ground. The reduction of the dynamic response index (DRI) in the case of the VPP damper application was also proved.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 1; e138238, 1--8
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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