All Outputs (57)

Sound transmission across a rectangular duct section with a thin micro-perforated wall backed by a sidebranch cavity (2024)
Journal Article
Fung, M. L., Tang, S. K., & Leung, M. (2024). Sound transmission across a rectangular duct section with a thin micro-perforated wall backed by a sidebranch cavity. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 219, Article 109920. https://doi.org/10.1016/j.apacoust.2024.109920

An experimental investigation was carried out in the present study for deeper understanding on the sound transmission across a rectangular duct section installed with a thin micro-perforated panel (as a duct wall) backed by a sidebranch cavity. The c... Read More about Sound transmission across a rectangular duct section with a thin micro-perforated wall backed by a sidebranch cavity.

Effect of perceived dominance and pleasantness on the total noise annoyance responses evoked by augmenting road traffic noise with birdsong/stream sound (2023)
Journal Article
Chau, C. K., Leung, T. M., Chung, W. K., & Tang, S. K. (2023). Effect of perceived dominance and pleasantness on the total noise annoyance responses evoked by augmenting road traffic noise with birdsong/stream sound. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 213, Article 109650. https://doi.org/10.1016/j.apacoust.2023.109650

Earlier studies suggested that sound preferences or soundscape quality could be improved by augmenting the acoustic environment originally dominated by road traffic noise by birdsong or water sound. However, little has been known on whether and how t... Read More about Effect of perceived dominance and pleasantness on the total noise annoyance responses evoked by augmenting road traffic noise with birdsong/stream sound.

Modelling the sound absorption of panels with tapered elliptic micro-perforations (2023)
Journal Article
Fung, M. L., Tang, S. K., & Leung, M. (2023). Modelling the sound absorption of panels with tapered elliptic micro-perforations. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 213, Article 109654. https://doi.org/10.1016/j.apacoust.2023.109654

A theoretical model is developed in the present study to predict the spectral characteristics of the sound absorption of solid panels with tapered elliptic micro-perforations backed by a rigid wall cavity. In the model, plane wave propagation is assu... Read More about Modelling the sound absorption of panels with tapered elliptic micro-perforations.

Effect of Operational Wind-Turbine Vibration on Surface-Dwelling Invertebrates (2023)
Book Chapter
Burgess, J., Thomas, S., Mazik, K., Al-Mudallal, S., Tang, S. K., & Breithaupt, T. (2023). Effect of Operational Wind-Turbine Vibration on Surface-Dwelling Invertebrates. In A. N. Popper, J. Sisneros, A. D. Hawkins, & F. Thomsen (Eds.), The Effects of Noise on Aquatic Life : Principles and Practical Considerations (1-20). Cham: Springer. https://doi.org/10.1007/978-3-031-10417-6_21-1

With the UK aiming to achieve 50 GW of offshore renewable energy by 2030, offshore construction will increase in tandem. The construction noise associated with wind turbine installation has gained much attention over the years, with sound emissions t... Read More about Effect of Operational Wind-Turbine Vibration on Surface-Dwelling Invertebrates.

Experimental investigation on the enhancement of plenum window noise reduction using solid scatterers (2023)
Journal Article
Li, X. L., Lam, W. K., & Tang, S. K. (2023). Experimental investigation on the enhancement of plenum window noise reduction using solid scatterers. The Journal of the Acoustical Society of America, 153(2), 1361-1374. https://doi.org/10.1121/10.0017353

The sound transmission across plenum windows installed with rigid non-resonant cylindrical scatterer arrays was investigated in detail using scale-down model measurements carried out inside a fully anechoic chamber. The arrays have manifested to some... Read More about Experimental investigation on the enhancement of plenum window noise reduction using solid scatterers.

Duct sound produced by vortex flow over a splitter plate (2022)
Journal Article
Tang, S. K. (2022). Duct sound produced by vortex flow over a splitter plate. Journal of Sound and Vibration, 541, Article 117352. https://doi.org/10.1016/j.jsv.2022.117352

This paper examines the sound generated by an inviscid low Mach number vortex filament as it moves near a semi-infinite splitter in a two-dimensional duct with and without vortex shedding at the splitter edge. A strong one-dimensional sound is produc... Read More about Duct sound produced by vortex flow over a splitter plate.

Roadway traffic sound measured up on a high-rise building - the sound-level's statistical normality (2022)
Journal Article
Muaz, M., Tang, S. K., Lin, T. C., Wong, K. T., & Ng, H. T. (2022). Roadway traffic sound measured up on a high-rise building - the sound-level's statistical normality. IEEE Access, 10, 105031-105039. https://doi.org/10.1109/ACCESS.2022.3204124

Percentile-value ceilings/thresholds have been mandated by governments around the world on roadway traffic sound-level. Such percentile values, by definition, change with the sound-level’s underlying probability distribution, i.e., the same percentil... Read More about Roadway traffic sound measured up on a high-rise building - the sound-level's statistical normality.

The effects of visual landscape and traffic type on soundscape perception in high-rise residential estates of an urban city (2022)
Journal Article
Tan, J. K. A., Hasegawa, Y., Lau, S. K., & Tang, S. K. (2022). The effects of visual landscape and traffic type on soundscape perception in high-rise residential estates of an urban city. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 189, Article 108580. https://doi.org/10.1016/j.apacoust.2021.108580

In dense urban cities with high-rise estates where large population of residents live in close proximity, the increasing noise exposure in soundscapes due to traffic noise, construction and other undesirable anthropophony in urban lived environments... Read More about The effects of visual landscape and traffic type on soundscape perception in high-rise residential estates of an urban city.

On the length scale and Strouhal numbers for sound transmission across coupled duct cavities at low Mach number (2021)
Journal Article
Tang, S. K., & Tang, Y. (2021). On the length scale and Strouhal numbers for sound transmission across coupled duct cavities at low Mach number. The Journal of the Acoustical Society of America, 150(6), 4232-4243. https://doi.org/10.1121/10.0008950

The sound transmission across two coupled cavities along a rectangular duct in the presence of a low Mach number flow is examined experimentally in the present study. An effort is also made for a deeper understanding of how the flow, excitation sound... Read More about On the length scale and Strouhal numbers for sound transmission across coupled duct cavities at low Mach number.

On sound propagation along an infinite rectangular duct-like structure with a finite slot opening and its modelling (2021)
Journal Article
Chu, S. H., & Tang, S. K. (2021). On sound propagation along an infinite rectangular duct-like structure with a finite slot opening and its modelling. The Journal of the Acoustical Society of America, 150(5), 3445-3460. https://doi.org/10.1121/10.0007061

The sound propagation across a sound leaking section along an infinite rectangular duct-like structure near to the lower order duct eigenfrequencies is investigated numerically in the present study. The sound leakage is achieved by finite length rect... Read More about On sound propagation along an infinite rectangular duct-like structure with a finite slot opening and its modelling.

Noise reduction of enhanced acoustic balconies on a high-rise building block (2021)
Conference Proceeding
Tang, S. K., Yip, S. S., & Lee, R. Y. (2021). Noise reduction of enhanced acoustic balconies on a high-rise building block. In INTER-NOISE and NOISE-CON Congress and Conference Proceedings 2021 (5327-5334). https://doi.org/10.3397/IN-2021-3050

Device called”enhanced acoustic balcony” is installed in a public housing development in Hong Kong. It is intended to help mitigate the impact of traffic noise on the residents. This balcony is basically an enlarged form of a plenum window allowing a... Read More about Noise reduction of enhanced acoustic balconies on a high-rise building block.

In-situ measurement and prediction of traffic noise transmission loss across a residential flat unit façade installed with two plenum windows (2020)
Conference Proceeding
Tang, S. K., & Li, X. (2020). In-situ measurement and prediction of traffic noise transmission loss across a residential flat unit façade installed with two plenum windows. In INTER-NOISE and NOISE-CON Congress and Conference Proceedings 2020 (1368-1375)

In the present study, the traffic noise transmission loss across a residential flat unit façade installed with two plenum windows are measured in-situ in a 30-storey high-rise building located in an opened environment next to a very busy and noisy ma... Read More about In-situ measurement and prediction of traffic noise transmission loss across a residential flat unit façade installed with two plenum windows.

Noise reduction of plenum windows on the façade of a high-rise residential building next to heavy road traffic (2020)
Journal Article
Li, X., Tang, S. K., Yim, S. Y., Lee, R. Y., & Hung, T. (2020). Noise reduction of plenum windows on the façade of a high-rise residential building next to heavy road traffic. Building and Environment, 186, Article 107353. https://doi.org/10.1016/j.buildenv.2020.107353

Extensive traffic noise transmission loss measurements were carried out inside selected residential units of a standalone 32-storey housing block located next to a very busy and noisy main trunk road in the present study. A total of 35 units, which w... Read More about Noise reduction of plenum windows on the façade of a high-rise residential building next to heavy road traffic.

Soundscape assessment: Towards a validated translation of perceptual attributes in different languages (2020)
Conference Proceeding
Aletta, F., Oberman, T., Axelsson, Ö., Xie, H., Zhang, Y., Lau, S. K., …Kang, J. (2020). Soundscape assessment: Towards a validated translation of perceptual attributes in different languages. In INTER-NOISE and NOISE-CON Congress and Conference Proceedings 2020 ( 3137-3146)

The recently published ISO/TS 12913-2:2018 standard aims to provide researchers and practitioners around the world with a reliable questionnaire for soundscape characterization. The ISO Technical Specifications report protocols and attributes grounde... Read More about Soundscape assessment: Towards a validated translation of perceptual attributes in different languages.

Sound transmission across a narrow sidebranch array duct muffler at low Mach number (2020)
Journal Article
Yu, H. M., & Tang, S. K. (2020). Sound transmission across a narrow sidebranch array duct muffler at low Mach number. The Journal of the Acoustical Society of America, 148(3), 1692-1702. https://doi.org/10.1121/10.0001993

The sound transmission loss across a duct muffler in the form of a linear array of 11 narrow sidebranches is examined experimentally in the present study. The introduction of a low Mach number duct flow deteriorates the broadband acoustical performan... Read More about Sound transmission across a narrow sidebranch array duct muffler at low Mach number.

Comparing the effects of visibility of different neighborhood greenery settings on the preference ratings and noise annoyance responses to road traffic noises (2020)
Journal Article
Chung, W. K., Leung, T. M., Chau, C. K., & Tang, S. K. (2020). Comparing the effects of visibility of different neighborhood greenery settings on the preference ratings and noise annoyance responses to road traffic noises. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 169, Article 107474. https://doi.org/10.1016/j.apacoust.2020.107474

The impact of visual environment on human noise perceptions has always been under scrutiny. Two consecutive sets of laboratory experiments were performed for studying the effect of visual perceptions of different percentages of sea, greenery, and/or... Read More about Comparing the effects of visibility of different neighborhood greenery settings on the preference ratings and noise annoyance responses to road traffic noises.

On the performance of existing acoustic energy models when applied to multi-purpose performance halls (2020)
Journal Article
Gao, J., Tang, S. K., Zhao, Y., Cai, Y., & Pan, L. (2020). On the performance of existing acoustic energy models when applied to multi-purpose performance halls. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 167, Article 107401. https://doi.org/10.1016/j.apacoust.2020.107401

Acoustical measurements were done in two multi-purpose performance halls in the present study. The measured data are compared with predictions from three acoustic energy models in existing literature derived for churches and large reverberant theatre... Read More about On the performance of existing acoustic energy models when applied to multi-purpose performance halls.

Sound insulation of plenum windows installed with rigid cylinder array (2019)
Conference Proceeding
Li, X., & Tang, S. K. (2019). Sound insulation of plenum windows installed with rigid cylinder array. In Proceedings of inter-noise 2019. The 48th International Congress and Exhibition on Noise Control Engineering

In this study, a 1:4 scale down model was established to investigate the acoustical performance of plenum window installed with a rigid cylinder array. A total of 6 rigid cylinders were vertically placed as a 2x3 array inside the central cavity of a... Read More about Sound insulation of plenum windows installed with rigid cylinder array.

Effects of sound incidence angle on the effectiveness of noise reduction measures applied to acoustic windows (2019)
Conference Proceeding
Leung, M., Tang, S. K., & Fung, M. L. (2019). Effects of sound incidence angle on the effectiveness of noise reduction measures applied to acoustic windows. In Proceedings of inter-noise 2019 : the 48th International Congress and Exhibition on Noise Control Engineering

With more residential buildings being built close to road network systems in Hong Kong, there is an increasing need to find method to combat excessive traffic noise exposure in residentials unit. Several measures have been employed in various places,... Read More about Effects of sound incidence angle on the effectiveness of noise reduction measures applied to acoustic windows.

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.