Electrically tunable and broader-band sound absorption by using micro-perforated dielectric elastomer actuator

Keyphrases

• Electrically Tunable 100%
• Dielectric Elastomer Actuator 100%
• Perforated Dielectric 100%
• Microperforation 100%
• Broadband Sound Absorption 100%
• Absorption Spectra 50%
• Tuning Methods 50%
• Hole Diameter 50%
• Acoustic Absorber 50%
• Acoustic Absorption 50%
• Resonant Frequency 25%
• Analytical Model 25%
• Voltage-dependent Activation 25%
• Size Change 25%
• Narrow Bandwidth 25%
• Change Characteristics 25%
• Mechanical Components 25%
• Membrane Types 25%
• Induced Holes 25%
• Broadband Sound 25%
• Acoustic Characteristics 25%
• Cavity Tuning 25%
• Membrane Tension 25%
• Low-frequency Sound Attenuation 25%

Physics

• Broadband 100%
• Sound Transmission 100%
• Dielectric Material 100%
• Elastomer 100%
• Absorption Spectra 50%
• Sound Absorption 50%
• Resonant Frequency 25%
• Acoustic Frequency 25%

Engineering

• Broad Band 100%
• Sound Absorption 100%
• Dielectric Elastomer Actuator 100%
• Hole Size 50%
• Analytical Model 25%
• Induced Voltage 25%
• Sound Attenuation 25%
• Mechanical Part 25%
• Activation Voltage 25%
• Membrane Tension 25%
• Resonant Frequency 25%