A compact, passive setup for low vibration noise measurements in the frequency band (300-2000) Hz

被引：5
|
作者：
Saraceni, Mario [1 ]
Bonaldi, Michele [2 ,3 ]
Castellani, Lorenzo [1 ]
Conti, Livia [1 ]
Gounda, Abdul Basheed [1 ]
Longo, Stefano [1 ]
Pegoraro, Matteo [1 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[2] Fdn Bruno Kessler, CNR, Ist Foton & Nanotecnol, I-38100 Trento, Italy
[3] Ist Nazl Fis Nucl, Sez Padova, Grp Collegato Trento, I-38100 Trento, Italy
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 03期
基金：
欧洲研究理事会;
关键词：
acoustic noise measurement; finite element analysis; vibrations; ISOLATION STACK; VACUUM;
D O I：
10.1063/1.3361040
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper we report about the setup we designed to isolate at about 1.5 kHz from mechanical noise an experimental payload of about 6.6 kg mass. We discuss the design guidelines and optimization by finite element analysis and we characterize the suspension performance by experimental measurements. While providing an attenuation of about 180 dB in all spatial directions at 1.5 kHz, our passive system is very compact and can be easily replicated whenever the need of a volume of few liters with very low vibration noise level in the 1-2 kHz range is needed.
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收藏
页数：7
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