As sustainability is one of the main pillars in developing future cities, adopting natural
ventilation whenever possible is one way to reduce energy consumption, thus indirectly …

Wideband reduction of both sound reflection and transmission using compact non-intrusive
liners remains a challenging issue for duct noise control applications. This work focuses on …

Conventional windows encounter significant challenges in simultaneously achieving noise
reduction and ventilation. Recent advent in origami technology offers new possibilities and …

Most occupational hazardous agents in workplaces should be evaluated and controlled.
Different methods exist for identifying, evaluating and controlling these agents, such as …

Acoustic metamaterials (AMMs) have become so far a resourceful solution for standard
materials' physical limitations, and their tuneable acoustic properties have shown potential …

Indoor environmental conditions can significantly affect occupants' health and comfort.
These conditions are especially important in educational buildings, where students …

Natural ventilation system plays a pivotal role in building sustainability. However, the design
is challenging due to the conflict between opening area requirements and sound insulation …

Effectively controlling the multi-frequency noise of engines while keeping air flowing is of
great significance for power machines. This article presents an adjustable acoustic …

Urban noise mitigation experiment through active noise control window is not commonly
carried out in in situ urban setting. This paper outlines our experimental settings of …

We demonstrate a flexible meta-curtain that can simultaneously block the propagation of
sound waves of selected frequencies and let air flow through freely. Such a meta-curtain is …