Measurement and Numerical analysis of the acoustic impedance of the perforated plate with inclined holes

2019 ◽  
Vol 2019.57 (0) ◽  
pp. 605
Author(s):  
Shunsuke NAKAMURA ◽  
Shinji AKAMATSU ◽  
Yuki MITSUI ◽  
Masaharu NISHIMURA ◽  
Tonau NAKAI ◽  
...  
Keyword(s):  
Numerical Analysis ◽  
Acoustic Impedance ◽  
Perforated Plate

scholarly journals Numerical analysis of laminar flow and heat transfer through a rectangular channel containing perforated plate at different angles

2022 ◽  
Vol 8 ◽  
pp. 539-550
Author(s):  
Abdul Hamid Ganie ◽  
Abid A. Memon ◽  
M. Asif Memon ◽  
A.M. Al-Bugami ◽  
Kaleemullah Bhatti ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Numerical Analysis ◽  
Laminar Flow ◽  
Rectangular Channel ◽  
Perforated Plate ◽  
Flow And Heat Transfer

Sound Pressure Dependence of Acoustic Impedance of a Perforated Plate

2018 ◽  
Vol 2018 (0) ◽  
pp. J1020205
Author(s):  
Shotaro YAMAZAKI ◽  
Shunsuke NAKAMURA ◽  
Daisuke SHIRAGA ◽  
Shinji AKAMATSU ◽  
Yuki MITSUI ◽  
...  
Keyword(s):  
Pressure Dependence ◽  
Acoustic Impedance ◽  
Sound Pressure ◽  
Perforated Plate

Numerical analysis of the flow field in a sloshing tank with a horizontal perforated plate

2017 ◽  
Vol 16 (4) ◽  
pp. 575-584 ◽  
Author(s):  
Heng Jin ◽  
Yong Liu ◽  
Huajun Li ◽  
Qiang Fu
Keyword(s):  
Numerical Analysis ◽  
Flow Field ◽  
Perforated Plate

Research on the Absorption Characteristic of Three-Layer Microperforate Plate of the Automotive Body

2011 ◽  
Vol 201-203 ◽  
pp. 2160-2166
Author(s):  
Cong Yun Zhu
Keyword(s):  
Absorption Coefficient ◽  
Equivalent Circuit ◽  
Acoustic Impedance ◽  
Perforated Plate ◽  
Absorption Characteristic ◽  
Perforated Plates ◽  
Automotive Body ◽  
Different Thickness

Three-layer micro perforated plate of the automotive body is researched. Acoustic impedance of the three-layer microperforated plate of the automotive body is attained according to the equivalent circuit, thus absorption coefficient is attained. Different microperforated plate with different porosity, different diameter, different thickness, different depth of cavity of the automotive body is analyzed and some conclusion is drawn to applied some theory to design these types of the micro perforated plates of the automotive body.

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