NOVI - Advanced functional solutions for Noise and Vibration reduction of machinery: Deliverable D1.1 Physical mechanisms of absorption and sound insulation

Keyphrases

• Physical Mechanism 100%
• Sound Insulation 100%
• Noise Reduction 100%
• Viscous Loss 100%
• Functional Solution 100%
• Vibration Reduction 100%
• Double Wall 100%
• Resonant Transmission 100%
• Non-resonant 100%
• Absorption Mechanism 100%
• Porosity 50%
• Free Space 50%
• Flow Resistivity 50%
• Thermal Losses 50%
• Tortuosity 50%
• Bulk Properties 50%
• Mechanical Coupling 50%
• Relaxation Process 50%
• Near Boundary 50%
• Thermal Relaxation 50%
• Small Hole 50%
• Slit Tube 50%
• Narrow Tube 50%
• Loss Process 50%
• Micro-perforated Plate 50%
• Parallel Transmission 50%
• Acoustic Waves 50%
• Coincidence Frequency 50%
• Resonance Region 50%
• Fluid Absorption 50%
• Sound Transmission 50%
• Transmission Route 50%
• Absorbing Materials 50%

INIS

• solutions 100%
• transmission 100%
• reduction 100%
• noise 100%
• absorption 100%
• machinery 100%
• walls 75%
• losses 50%
• resonance 50%
• holes 50%
• fluids 50%
• relaxation 25%
• coupling 25%
• length 25%
• space 25%
• cavities 25%
• dimensions 25%
• porosity 25%
• plates 25%
• tubes 25%
• sound waves 25%

Physics

• Sound Insulation 100%
• Vibration Reduction 100%
• Parallel Transmission 50%
• Acoustic Wave 50%
• Sound Transmission 50%
• Porosity 50%