[go: up one dir, main page]

Hashemi et al., 2023 - Google Patents

Investigation of the Effect of Non-Flat Surfaces on the Performance of Perforated Acoustic Absorber

Hashemi et al., 2023

View PDF
Document ID
8120216588935309202
Author
Hashemi Z
Fahim A
Monazzam M
Publication year
Publication venue
Archives of Acoustics

External Links

Snippet

In order to investigate the effect of the surface shape on the performance of perforated panels, three non-flat shapes were considered for perforated panel with their absorption performance compared with the usual shape of the (flat) perforated panel. In order to …
Continue reading at journals.pan.pl (PDF) (other versions)

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
    • G10K11/162Selection of materials
    • G10K11/172Selection of materials using resonance effects
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting, or directing sound
    • G10K11/20Reflecting arrangements

Similar Documents

Publication Publication Date Title
Motsinger et al. 14 design and performance of duct acoustic treatment
Sakamoto et al. Calculation of impulse responses and acoustic parameters in a hall by the finite-difference time-domain method
Wang et al. Investigation of the acoustic properties of corrugated micro-perforated panel backed by a rigid wall
Jeong Guideline for adopting the local reaction assumption for porous absorbers in terms of random incidence absorption coefficients
Qu et al. Minimizing indoor sound energy with tunable metamaterial surfaces
Fu et al. Study on the influence of structure factors of diesel engine exhaust purification muffler on transmission loss in different frequency bands
Thompson Noise control
Aretz et al. Efficient modelling of absorbing boundaries in room acoustic FE simulations
Zhang et al. Ventilated acoustic metasurface with low-frequency sound insulation
Hashemi et al. Investigation of the Effect of Non-Flat Surfaces on the Performance of Perforated Acoustic Absorber
Min et al. Acoustic properties of a micro-perforated muffler with parallel-arranged cavities of different depths
Hannink Acoustic resonators for the reduction of sound radiation and transmission
CN112951193A (en) Method for designing sound absorber of parallel connection unequal-depth back cavity micro-perforated plate
Bento et al. Wall treatments for aeroacoustic measurements in closed wind tunnel test sections
Floss et al. Application and simulation of micro-perforated panels in hvac systems
Flach Research on the influence of airflow resistance of layered porous structures on the sound absorption coefficient
Allen et al. Experimental evaluation of equivalent-fluid models for melamine foam
Sachan et al. Microstructure-based modeling to characterize low pore density open-cell foams and its experimental validation
Rajaram et al. Small-scale transmission loss facility for flat lightweight panels
Sakagami et al. Acoustic reflection of an elastic plate with periodic ribs and a back cavity
Massaglia Modelling the sound insulation of corrugated roof structures: an extended transfer matrix approach
Tang et al. Stiff light composite panels for duct noise reduction
Kuttruff Sound propagation in rooms
Ravindran Investigation of inverse acoustical characterization of porous materials used in aircraft noise control application
Patraquim et al. INFLUENCE OF THE PRESENCE OF LINING MATERI-ALS IN THE ACOUSTIC BEHAVIOUR OF PERFORATED PANEL SYSTEMS