Outputs (45)

Effects of sound incidence angle on the effectiveness of noise reduction measures applied to acoustic windows (2019)
Presentation / Conference Contribution
Leung, M., Tang, S. K., & Fung, M. L. (2019, June). Effects of sound incidence angle on the effectiveness of noise reduction measures applied to acoustic windows. Presented at inter-noise 2019: Noise Control for a Better Environment, Madrid, Spain

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.

Sound insulation of plenum windows installed with rigid cylinder array (2019)
Presentation / Conference Contribution
Li, X., & Tang, S. K. (2019, June). Sound insulation of plenum windows installed with rigid cylinder array. Presented at inter-noise 2019: Noise Control for a Better Environment, Madrid, Spain

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.

Thermoelectric generator performance enhancement by the application of pulsed heat power (2019)
Presentation / Conference Contribution
Shittu, S., Li, G., Zhao, X., & Ma, X. (2019, June). Thermoelectric generator performance enhancement by the application of pulsed heat power. Presented at International Conference on Fluid Flow, Heat and Mass Transfer: FFHMT'19, Ottawa, Canada

Thermoelectric generator (TEG) is usually studied under steady state heating conditions however, the use of pulsed heat power could significantly enhance its performance. Therefore, this paper presents a numerical investigation of the thermal and ele... Read More about Thermoelectric generator performance enhancement by the application of pulsed heat power.

Characterization of ultrasonic bubble clouds in a liquid metal by synchrotron X-ray high speed imaging and statistical analysis (2019)
Journal Article
Wang, C., Connolley, T., Tzanakis, I., Eskin, D., & Mi, J. (2020). Characterization of ultrasonic bubble clouds in a liquid metal by synchrotron X-ray high speed imaging and statistical analysis. Materials, 13(1), Article 44. https://doi.org/10.3390/ma13010044

Quantitative understanding of the interactions of ultrasonic waves with liquid and solidifying metals is essential for developing optimal processing strategies for ultrasound processing of metal alloys in the solidification processes. In this researc... Read More about Characterization of ultrasonic bubble clouds in a liquid metal by synchrotron X-ray high speed imaging and statistical analysis.

Experimental analysis of defrosting and heating performance of a solar-assisted heat pump integrated phase change energy storage (2019)
Journal Article
Chen, H., Li, G., Wang, Y., Zhang, F., Badiei, A., Lu, T., Yang, J., Jiang, L., & Zhang, Y. (2020). Experimental analysis of defrosting and heating performance of a solar-assisted heat pump integrated phase change energy storage. International journal of energy research, 44(3), 2173-2182. https://doi.org/10.1002/er.5076

© 2019 John Wiley & Sons Ltd This thesis investigates a novel solar-assisted heat pump integrated phase change energy storage system. The defrosting performance of this system was studied experimentally and the results were compared with two tradit... Read More about Experimental analysis of defrosting and heating performance of a solar-assisted heat pump integrated phase change energy storage.

Scale effect on electrical characteristics of CPC-PV (2019)
Journal Article
Li, G., Lu, Y., Shittu, S., & Zhao, X. (2020). Scale effect on electrical characteristics of CPC-PV. Energy, 192, Article 116726. https://doi.org/10.1016/j.energy.2019.116726

Recently, the flux distribution and Photovoltaic (PV) structure optimization have been paid more attention in the design of concentrating Photovoltaic (CPV) by several researchers while the scale factor is sometimes decided by the processing technolo... Read More about Scale effect on electrical characteristics of CPC-PV.

Thermal performance analysis of a solar energy storage unit encapsulated with HITEC salt/copper foam/nanoparticles composite (2019)
Journal Article
Xiao, X., Jia, H., Wen, D., & Zhao, X. (2020). Thermal performance analysis of a solar energy storage unit encapsulated with HITEC salt/copper foam/nanoparticles composite. Energy, 192, 116593. https://doi.org/10.1016/j.energy.2019.116593

HITEC salt (40 wt. % NaNO2, 7 wt. % NaNO3, 53 wt. % KNO3) with a melting temperature of about 142 °C is a typical phase change material (PCM) for solar energy storage. Both aluminum oxide (Al2O3) nanopowder and metal foam were used to enhance pure HI... Read More about Thermal performance analysis of a solar energy storage unit encapsulated with HITEC salt/copper foam/nanoparticles composite.

Theoretical and experimental study of a novel solar indirect-expansion heat pump system employing mini channel PV/T and thermal panels (2019)
Journal Article
Zhou, J., Zhu, Z., Zhao, X., Yuan, Y., Fan, Y., & Myers, S. (2020). Theoretical and experimental study of a novel solar indirect-expansion heat pump system employing mini channel PV/T and thermal panels. Renewable energy, 151, 674-686. https://doi.org/10.1016/j.renene.2019.11.054

This paper presents the investigation of a novel mini channel PV/T and thermal collectors combined heat pump system, using both experimental and theoretical methods. Data were produced under conditions typical for winter days in Lvliang, China. A sim... Read More about Theoretical and experimental study of a novel solar indirect-expansion heat pump system employing mini channel PV/T and thermal panels.

Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services (2019)
Journal Article
Ma, X., Zhao, H., Zhao, X., Li, G., & Shittu, S. (2019). Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services. Future Cities and Environment, 5(1), 12. https://doi.org/10.5334/fce.76

The refrigerants used in conventional vapor-compression air conditioning systems have detrimental effects on the global environment. Phasing-down hydrofluorocarbon (HFC) refrigerants for HVAC equipment over the next 20 years has been proposed. A ther... Read More about Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services.

Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems (2019)
Journal Article
Fan, Y., Zhao, X., Li, J., Cheng, Y., Zhou, J., Yu, M., Li, G., Badiei, A., Du, Z., Ji, J., Zhu, Z., Ma, X., Bai, H., & Myers, S. (2020). Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems. Renewable energy, 151, 137-151. https://doi.org/10.1016/j.renene.2019.11.007

In order for a solar heating system to provide heat immediately after sunrise, a fast response is needed to the heat demand of a serviced space. The majority of existing solar heating systems have a slow response time due to the large volume of water... Read More about Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems.