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BOACH-HW-CIT100 100mm circular impedance tube
According to the standard:
Sound absorption test standards: ASTM E1050, GB/T 18696 and ISO10534
Sound insulation test standards: ASTM E2611 and GB/Z 27764
Product features and software:
1)Obtain the Material absorption property test:sound absorption coefficient, surface impedance;
CAE modeling support: material equivalent complex density/sound velocity can be obtained based on double load theory;
2)Material TL property test: material normal sound insulation curve (transmission loss curve);
CAE modeling support: acquisition of material complex density/ sound velocity based on transfer matrix method;aterial complex density/complex sound velocity based on transfer matrix method;
3)Tortuosity test: Material tortuosity factor is obtained based on material absorption test and 1/4 wavelength theory;
4)JCA Parameters Inverse Method Test: Based on the JCA theory, Inverse identification method is proposed and identify JCA parameters (static resistivity, viscosity characteristic factor, thermal characteristic factor, etc.
5)Curve Fitting method: Moving average and Gaussian average and other smoothing methods can be chosen for curve fitting;
6)Test Project management function: Software supports project customization, material test data management, and material database built.
Sound absorption test schematic
Acoustic insulation test schematic
Product Hardware:
1)Product hardware composition;
2)Hardware characteristics: theoretical lower limit frequency, product sound insulation, product background characteristics, etc;
3)Product delivery status and packaging;
Product hardware composition
The product name |
Hardware composition |
quantity |
unit |
BOACH-HW-CIT100 100mm I.D. impedance tube products |
4-channel capture card |
1 |
set |
Integrated impedance tube (including amplifiers, sound generators, audio equipment, batteries, etc.) |
1 |
set |
|
microphone |
4 |
pcs |
|
BNC cable |
4 |
pcs |
|
Accessories (tool, specimen mounting section (suction/sound insulation)) |
1 |
set |
|
Boxes |
Equipment box |
1 |
set |
Product hardware features
•Theoretically, the lower limit frequency
The product name |
Upper limit frequency |
Lower limit frequency |
BOACH-HW-CIT100 |
2000Hz |
50Hz |
•The amount of sound insulation of the product
The product name |
The amount of sound insulation in the tube body |
BOACH-HW-CIT100 |
> 65dB |
•Product background characteristics
The product name |
Average absorption coefficient of the background |
Background average transfer loss |
BOACH-HW-CIT100 |
<0.05 |
<0.5dB |
•Product delivery status and packaging
Product delivery status
Packaging Scheme 1
Packaging scheme 2
Contact us
Phone:
Email:
Address:
Room 901, Building 1, Phase 2, Yungu Phase 2, Fengxi New Town, Xixian New District, Xixian New District, Xi'an City, Shaanxi Province
Room 307, Building 1, Harbin Institute of Technology Robot Industrial Park, No. 488 Qianjin East Road, Economic Development Zone, Kunshan City, Jiangsu Province
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