Researchers Develop ‘Acoustic Metamaterial’

Boston University researchers, Xin Zhang, a professor at the College of Engineering, and Reza Ghaffarivardavagh, a Ph.D. student in the Department of Mechanical Engineering, released a paper in Physical Review B demonstrating it’s possible to silence noise using an open, ring-like structure, created to mathematically perfect specifications, for cutting out sounds while maintaining airflow.

Exploring Jakartan Public Transportation Through The Sound

Jakarta is one of the largest urban agglomerations in the world. The uncontrolled increase in urban population is proportional to the number of the vehicle in Jakarta. According to Badan Pusat Statistik (Statistics Indonesia)…

Noise in HVAC System; What, Where and How Noise comes from?

One of the things that becomes an unpredictable issue of a building, especially with a centralized air conditioning system, is the noise it creates. Calculating noise from every part of the HVAC system is needed to avoid unwanted noises in adjacent rooms. What do we need to know to avoid noise from the HVAC system? Are there […]

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