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Appl. Sci. 2017, 7(2), 175;

A Review on Natural Ventilation-enabling Façade Noise Control Devices for Congested High-Rise Cities

Department of Building Services Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Received: 14 December 2016 / Accepted: 6 February 2017 / Published: 13 February 2017
(This article belongs to the Special Issue Noise and Vibration Control in the Built Environment)
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This review summarizes the current status of the research and development of natural ventilation-enabling noise control devices for use on the façades of high-rise residential buildings in congested cities. These devices are important for a sustainable urbanized city, as they are supposed to offer good acoustical protection to citizens, allowing for an acceptable level of natural ventilation inside residential units; energy for mechanical ventilation can then be saved. From the information presented in the existing literature, it is concluded that protrusive devices, such as lintels and balconies, are not effective noise screening devices, even if they are installed with sound absorbers and/or reflectors, under the effect of city reverberation. On the contrary, plenum windows and similar structures, which are plenum structures with a staggered air inlet and outlet, are interesting alternatives that are worth rigorous considerations. View Full-Text
Keywords: noise reduction; traffic noise; natural ventilation; building façade noise reduction; traffic noise; natural ventilation; building façade

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Tang, S.-K. A Review on Natural Ventilation-enabling Façade Noise Control Devices for Congested High-Rise Cities. Appl. Sci. 2017, 7, 175.

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