Energy conversion through local piezoelectric effect in polymer foams for enhancing sound absorption

• المؤلف الرئيسي: Ayman Mahmod Mohamed Khalil Shahin
• مؤلفون آخرون: Wang Junling
• التنسيق: Thesis-Doctor of Philosophy
• اللغة: English
• منشور في: Nanyang Technological University 2020
• الموضوعات: Engineering::Materials
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/137057
• المؤسسة: Nanyang Technological University

Airborne sound absorption in porous materials is a complex process that involves multiple working mechanisms of converting mechanical acoustic energy into heat, including thermal effect due to the dynamic heat conduction forced by the rarefaction and the densification of the air, viscous effect caus...