Outputs (63)

Insertion loss of asymmetrical balconies on a building facąde (2019)
Journal Article
Tang, S. K., Ho, C. Y., & Chan, W. Y. (2019). Insertion loss of asymmetrical balconies on a building facąde. The Journal of the Acoustical Society of America, 146(3), 1580-1594. https://doi.org/10.1121/1.5125135

The acoustical insertion loss of asymmetrical balconies on high-rise buildings was studied experimentally using a 1:3 scaled down model in the present study. Four balcony forms featured by the presence of a full-height side-wall were included. A line... Read More about Insertion loss of asymmetrical balconies on a building facąde.

Active cancellation of sound generated by finite length coherent line sources using piston-like secondary source arrays (2019)
Journal Article
Hu, Q., & Tang, S. K. (2019). Active cancellation of sound generated by finite length coherent line sources using piston-like secondary source arrays. The Journal of the Acoustical Society of America, 145(6), 3647-3655. https://doi.org/10.1121/1.5112761

The active cancellation of the sound generated by finite length coherent line sources is investigated numerically in the present study. A secondary source consists of a central circular core enclosed within an annulus is proposed. It is demonstrated... Read More about Active cancellation of sound generated by finite length coherent line sources using piston-like secondary source arrays.

Empirical prediction of traffic noise transmission loss across plenum windows (2019)
Journal Article
Li, X., Tong, Y. G., Tang, S. K., & Lau, K. K. (2019). Empirical prediction of traffic noise transmission loss across plenum windows. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 151, 45-54. https://doi.org/10.1016/j.apacoust.2019.03.004

A parametric study on the traffic noise transmission loss across plenum windows was carried out experimentally in this investigation in an attempt to establish a simple empirical model for predicting this transmission loss. A total of fourteen full s... Read More about Empirical prediction of traffic noise transmission loss across plenum windows.

Modelling noise annoyance responses to combined sound sources and views of sea, road traffic, and mountain greenery (2018)
Journal Article
Chau, C. K., Leung, T. M., Xu, J. M., & Tang, S. K. (2018). Modelling noise annoyance responses to combined sound sources and views of sea, road traffic, and mountain greenery. The Journal of the Acoustical Society of America, 144(6), 3503-3513. https://doi.org/10.1121/1.5083833

This paper studies the effect of human perception of visual and audio settings in an urban environment on annoyance. Video clips were projected onto a window panel of a living room to simulate neighborhood views containing different percentages of se... Read More about Modelling noise annoyance responses to combined sound sources and views of sea, road traffic, and mountain greenery.

On low frequency sound propagation across closely coupled narrow cavities along an infinite duct and the similarity in stopband cut-on frequencies (2018)
Journal Article
Tang, Y., & Tang, S. K. (2019). On low frequency sound propagation across closely coupled narrow cavities along an infinite duct and the similarity in stopband cut-on frequencies. Journal of Sound and Vibration, 443, 411-429. https://doi.org/10.1016/j.jsv.2018.11.049

The propagation of sound across closely coupled narrow rectangular cavities in an infinitely long duct is studied numerically using finite-element simulation and the method of mode matching in the present investigation. Sound frequencies below the fi... Read More about On low frequency sound propagation across closely coupled narrow cavities along an infinite duct and the similarity in stopband cut-on frequencies.

The effects of indoor plants and artificial windows in an underground environment (2018)
Journal Article
Kim, J., Cha, S. H., Koo, C., & Tang, S. K. (2018). The effects of indoor plants and artificial windows in an underground environment. Building and Environment, 138, 53-62. https://doi.org/10.1016/j.buildenv.2018.04.029

People have negative perceptions of underground environments on account of the absence of natural elements. To alleviate negative perceptions, many investigators have proposed indoor plants and artificial windows. Although a few studies have provided... Read More about The effects of indoor plants and artificial windows in an underground environment.

Reduction of sound transmission across plenum windows by incorporating an array of rigid cylinders (2017)
Journal Article
Tang, S. K. (2018). Reduction of sound transmission across plenum windows by incorporating an array of rigid cylinders. Journal of Sound and Vibration, 415, 25-40. https://doi.org/10.1016/j.jsv.2017.11.027

The potential improvement of plenum window noise reduction by installing rigid circular cylinder arrays into the window cavity is investigated numerically using the finite-element method in this study. A two-dimensional approach is adopted. The sound... Read More about Reduction of sound transmission across plenum windows by incorporating an array of rigid cylinders.

Developing a multivariate model for predicting the noise annoyance responses due to combined water sound and road traffic noise exposure (2017)
Journal Article
Leung, T. M., Chau, C. K., Tang, S. K., & Xu, J. M. (2017). Developing a multivariate model for predicting the noise annoyance responses due to combined water sound and road traffic noise exposure. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 127, 284-291. https://doi.org/10.1016/j.apacoust.2017.06.020

People in an urban environment are exposed to different types of natural and man-made sounds. Human sound perceptions due to exposure to a single noise source, in particular road traffic and aircraft noises, have been investigated for a long time. Ho... Read More about Developing a multivariate model for predicting the noise annoyance responses due to combined water sound and road traffic noise exposure.

The effects of neighborhood views containing multiple environmental features on road traffic noise perception at dwellings (2017)
Journal Article
Leung, T. M., Xu, J. M., Chau, C. K., Tang, S. K., & Pun-Cheng, L. S. (2017). The effects of neighborhood views containing multiple environmental features on road traffic noise perception at dwellings. The Journal of the Acoustical Society of America, 141(4), 2399-2407. https://doi.org/10.1121/1.4979336

The importance of non-acoustical factors including the type of visual environment on human noise perception becomes increasingly recognized. In order to reveal the relationships between long-term noise annoyance and different types of neighborhood vi... Read More about The effects of neighborhood views containing multiple environmental features on road traffic noise perception at dwellings.

Vortex sound radiation in a flow duct with a dipole source and a flexible wall of finite length (2017)
Journal Article
Chiang, Y. K., Choy, Y. S., & Tang, S. K. (2017). Vortex sound radiation in a flow duct with a dipole source and a flexible wall of finite length. The Journal of the Acoustical Society of America, 141(3), 1999-2010. https://doi.org/10.1121/1.4978521

The noise attenuation of fan-ducted noise at low blade-passage frequency remains a challenge. The present study investigates the noise reduction mechanism of a tensioned membrane housing device that directly controls the sound radiation from the doub... Read More about Vortex sound radiation in a flow duct with a dipole source and a flexible wall of finite length.