Temat: particle damping - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Research on optimal design of vibration reduction of centrifugal air conditioning chiller based on particle damping
Autorzy:: Xiao, Wangqiang
Shi, Jinsong
Chen, Hui
Liu, Hua
Powiązania:: https://bibliotekanauki.pl/articles/2200880.pdf
Data publikacji:: 2023
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: centrifugal air-conditioning chiller
particle damping
DEM
vibration reduction
optimal scheme
Opis:: Considering vibration of centrifugal air-conditioning chillers at working conditions of 300Hz and 386Hz, a vibration reduction method for centrifugal air-conditioning chillers based on particle damping is proposed. Firstly, the vibration transfer path of the chillers is determined based on dynamic characteristics analysis of the chillers. Secondly, the vibration sensitive area of the compressor is determined by finite element analysis. Then the energy dissipation is calculated by the discrete element method (DEM) to determine the optimal installation scheme of the damper. Finally, the vibration reduction effect of the chillers after arranging the damper is verified by experiments.
Źródło:: Journal of Theoretical and Applied Mechanics; 2023, 61, 1; 189--201
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Skocz do pozycji: 2.

Tytuł:: Impact and particle vibration absorbers optimal design
Działanie oraz optymalna konstrukcja dynamicznego absorbera drgań
Autorzy:: Snitynskyy, V.
Kernytskyy, I.
Diveyev, B.
Horbay, O.
Koruniak, P.
Humenyuk, R.
Kokhana, T.
Powiązania:: https://bibliotekanauki.pl/articles/2083884.pdf
Data publikacji:: 2020
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:: dynamic vibration absorber
particle-based damping system
buffered absorber
optimization
design
Opis:: The paper contemplates the provision of impact or particle dynamic vibration absorber (DVA). An efficient numerical approach based on the theoretical-experimental method is proposed to maximize the minimal damping of modes in a prescribed frequency range for general viscous tuned-mass systems. Methods of decomposition and numerical synthesis on the basis of adaptive schemes are considered. The influence of dynamic vibration absorbers and basic design elastic and damping properties is under discussion. Compact buffered impact absorbers are analysed. One task of this work is to analyse parameters identification of the dynamic vibration absorber and the basic structure. The work focused on a single degree of order (SDOF) system which is equivalent to particle DVA. The simulation provides a close agreement with the measurements over various entire frequency ranges, which means the SDOF is simple yet easy to calculate the damped motion, compared with the experimental results of particle DVA. Examples of the attachment of particle DVA’s and elongated element with multi-mass impact DVA’s are offered. The paper contemplates the provision of the impact multi-mass DVA’s with masses collisions and traction for additional damping. A technique is developed to give the optimal DVA’s for the elimination of excessive vibration in harmonic and impact loaded systems.
Źródło:: Acta Scientiarum Polonorum. Architectura; 2020, 19, 1; 93-102
1644-0633
Pojawia się w:: Acta Scientiarum Polonorum. Architectura
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Informacja

Wyszukujesz frazę "particle damping" wg kryterium: Temat

Źródło danych

Dostawca treści

Kolekcja

Rok wydania

Wydawca

Temat

Autor

Typ dokumentu

Język