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Dušenje nihanj preko udarnega dušilca
ID
Petrovčič, Rozalija
(
Author
),
ID
Česnik, Martin
(
Mentor
)
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Abstract
V zaključni nalogi je raziskovana efektivnost udarnega dušilca, ki predstavlja alternativno metodo za vnašanje dušenja v dinamski sistem. Najprej sta bila zasnovana in izdelana osnovna struktura ter udarni dušilec, nato pa smo postavili eksperiment na elektrodinamičnem stresalniku. Spremljali smo vpliv masnega razmerja na razmernik dušenja pri vzbujanju s sinusnim signalom ter vpliv masnega razmerja in uporabe različnih materialov stene votline na razmernik dušenja pri različnih nivojih vzbujanja z naključnim signalom. Rezultati vzbujanja s sinusnim signalom kažejo, da večje masno razmerje poveča razmernik dušenja, rezultati vzbujanja z naključnim signalom pa poudarjajo pomen izbire materiala stene.
Language:
Slovenian
Keywords:
mehanska nihanja
,
kinematsko vzbujanje
,
dušenje
,
udarni dušilec
,
prenosnost
Work type:
Final paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Place of publishing:
Ljubljana
Publisher:
[R. Petrovčič]
Year:
2023
Number of pages:
XIII, 40 str.
PID:
20.500.12556/RUL-148556
UDC:
534.83:539.67(043.2)
COBISS.SI-ID:
163492611
Publication date in RUL:
26.08.2023
Views:
796
Downloads:
124
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PETROVČIČ, Rozalija, 2023,
Dušenje nihanj preko udarnega dušilca
[online]. Bachelor’s thesis. Ljubljana : R. Petrovčič. [Accessed 17 May 2025]. Retrieved from: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=eng&id=148556
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Language:
English
Title:
Vibration absorption with an impact damper
Abstract:
This thesis explores the effectiveness of an impact damper, which represents an alternative method for introducing damping into a dynamic system. First, the primary structure and the impact damper were designed and fabricated, followed by setting up the experiment on an electrodynamic shaker. We examined the influence of mass ratio on the damping ratio under sinusoidal excitation and the effects of mass ratio and various cavity wall materials on the damping ratio at different levels of excitation with random signals. Results from sinusoidal excitation indicate that a higher mass ratio increases the damping ratio, while results from random excitation underscore the significance of cavity wall material selection.
Keywords:
mechanical vibrations
,
base excitation
,
damping
,
impact damper
,
transmissibility
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