All Outputs (405)

In situ synchrotron x-ray study of ultrasound cavitation and its effect on solidification microstructures (2014)
Journal Article
Mi, J., Tan, D., & Lee, T. L. (2015). In situ synchrotron x-ray study of ultrasound cavitation and its effect on solidification microstructures. Metallurgical and Materials Transactions B, 46(4), 1615-1619. https://doi.org/10.1007/s11663-014-0256-z

Considerable progress has been made in studying the mechanism and effectiveness of using ultrasound waves to manipulate the solidification microstructures of metallic alloys. However, uncertainties remain in both the underlying physics of how microst... Read More about In situ synchrotron x-ray study of ultrasound cavitation and its effect on solidification microstructures.

Experimental detection using cyclostationary feature detectors for cognitive radios (2014)
Presentation / Conference Contribution
Zolfaghari, M., Fanan, A., Mehdawi, M., Riley, N. G., & Ammar, M. (2014, November). Experimental detection using cyclostationary feature detectors for cognitive radios. Presented at 2014 22nd Telecommunications Forum, TELFOR 2014 - Proceedings of Papers, Serbia, Belgrade

© 2014 IEEE. Signal detection is widely used in many applications. Some examples include Cognitive Radio (CR) and military intelligence. Without guaranteed signal detection, a CR cannot reliably perform its role. Spectrum sensing is currently one of... Read More about Experimental detection using cyclostationary feature detectors for cognitive radios.

An active fault tolerant control approach to an offshore wind turbine model (2014)
Journal Article
Shi, F., & Patton, R. (2015). An active fault tolerant control approach to an offshore wind turbine model. Renewable energy, 75(March), 788-798. https://doi.org/10.1016/j.renene.2014.10.061

The paper proposes an observer based active fault tolerant control (AFTC) approach to a non-linear large rotor wind turbine benchmark model. A sensor fault hiding and actuator fault compensation strategy is adopted in the design. The adapted observer... Read More about An active fault tolerant control approach to an offshore wind turbine model.

Fault estimation and active fault tolerant control for linear parameter varying descriptor systems (2014)
Presentation / Conference Contribution
Shi, F., & Patton, R. J. Fault estimation and active fault tolerant control for linear parameter varying descriptor systems

Starting with the baseline controller design, this paper proposes an integrated approach of active fault tolerant control based on proportional derivative extended state observer (PDESO) for linear parameter varying descriptor systems. The PDESO can... Read More about Fault estimation and active fault tolerant control for linear parameter varying descriptor systems.

Urban soundscape of recreational area in high population area (2014)
Journal Article
Choy, Y. S., Chau, C. K., Tsui, W. K., & Tang, S. K. (2014). Urban soundscape of recreational area in high population area. Acta Acustica united with Acustica, 100(6), 1044-1055. https://doi.org/10.3813/AAA.918784

Urban landscape or parks for recreational purposes are important components in urban area in Hong Kong but traffic noise can seriously affect their usability. To evaluate their usability practically, the Soundscape of recreational areas has to be exa... Read More about Urban soundscape of recreational area in high population area.

Full scale field study of sound transmission across plenum windows (2014)
Journal Article
Tong, Y. G., Tang, S. K., Kang, J., Fung, A., & Yeung, M. K. (2015). Full scale field study of sound transmission across plenum windows. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 89, 244-253. https://doi.org/10.1016/j.apacoust.2014.10.003

A full scale field measurement of the acoustical insertion loss of plenum windows was carried out in the present investigation. Two identical mock-up test rooms with dimensions the same as those commonly adopted for Hong Kong public housing were buil... Read More about Full scale field study of sound transmission across plenum windows.

Modelling an off-grid integrated renewable energy system for rural electrification in India using photovoltaics and anaerobic digestion (2014)
Journal Article
Castellanos, J., Walker, M., Poggio, D., Pourkashanian, M., & Nimmo, W. (2015). Modelling an off-grid integrated renewable energy system for rural electrification in India using photovoltaics and anaerobic digestion. Renewable energy, 74, 390-398. https://doi.org/10.1016/j.renene.2014.08.055

This work describes the design optimisation and techno-economic analysis of an off-grid Integrated Renewable Energy System (IRES) designed to meet the electrical demand of a rural village location in West Bengal – India with an overall electrical req... Read More about Modelling an off-grid integrated renewable energy system for rural electrification in India using photovoltaics and anaerobic digestion.

Masticatory biomechanics in the rabbit: a multi-body dynamics analysis (2014)
Journal Article
Watson, P. J., Gröning, F., Curtis, N., Fitton, L. C., Herrel, A., McCormack, S. W., & Fagan, M. J. (2014). Masticatory biomechanics in the rabbit: a multi-body dynamics analysis. Journal of the Royal Society interface / the Royal Society, 11(99), Article 20140564. https://doi.org/10.1098/rsif.2014.0564

Multi-body dynamics is a powerful engineering tool which is becoming increasingly popular for the simulation and analysis of skull biomechanics. This paper presents the first application of multi-body dynamics to analyse the biomechanics of the rabbi... Read More about Masticatory biomechanics in the rabbit: a multi-body dynamics analysis.

Simulation-based techno-economic evaluation for optimal design of CO₂ transport pipeline network (2014)
Journal Article
Luo, X., Wang, M., Oko, E., & Okezue, C. (2014). Simulation-based techno-economic evaluation for optimal design of CO₂ transport pipeline network. Applied energy, 132(November), 610-620. https://doi.org/10.1016/j.apenergy.2014.07.063

For large volumes of carbon dioxide (CO₂) onshore and offshore transportation, pipeline is considered the preferred method. This paper presents a study of the pipeline network planned in the Humber region of the UK. Steady state process simulation mo... Read More about Simulation-based techno-economic evaluation for optimal design of CO₂ transport pipeline network.

Modeling the Water Scrubbing Process and Energy Requirements for CO2 Capture to Upgrade Biogas to Biomethane (2014)
Journal Article
Nock, W. J., Walker, M., Kapoor, R., & Heaven, S. (2014). Modeling the Water Scrubbing Process and Energy Requirements for CO2 Capture to Upgrade Biogas to Biomethane. Industrial & engineering chemistry research, 53(32), 12783-12792. https://doi.org/10.1021/ie501280p

Water scrubbing is the most widely used technology for removing CO2 from biogas and landfill gas. This work developed a rate-based mass transfer model of the CO2–water system for upgrading biogas in a packed bed absorption column. The simulated resul... Read More about Modeling the Water Scrubbing Process and Energy Requirements for CO2 Capture to Upgrade Biogas to Biomethane.

The biomechanical function of periodontal ligament fibres in orthodontic tooth movement (2014)
Journal Article
McCormack, S. W., Witzel, U., Watson, P. J., Fagan, M. J., & Gröning, F. (2014). The biomechanical function of periodontal ligament fibres in orthodontic tooth movement. PLoS ONE, 9(7), e102387. https://doi.org/10.1371/journal.pone.0102387

Orthodontic tooth movement occurs as a result of resorption and formation of the alveolar bone due to an applied load, but the stimulus responsible for triggering orthodontic tooth movement remains the subject of debate. It has been suggested that th... Read More about The biomechanical function of periodontal ligament fibres in orthodontic tooth movement.

Insertion losses of balconies on a building façade and the underlying wave interactions (2014)
Journal Article
Tang, S. K., Ho, C. Y., & Tso, T. Y. (2014). Insertion losses of balconies on a building façade and the underlying wave interactions. The Journal of the Acoustical Society of America, 136(1), 213-225. https://doi.org/10.1121/1.4883379

This study used scale model experiments to investigate the insertion losses of balconies on a building façade in the presence of ground reflections. The experiments measured both A-weighted broad- and narrowband insertion loss spectra. The underlying... Read More about Insertion losses of balconies on a building façade and the underlying wave interactions.

Active sensor fault tolerant output feedback tracking control for wind turbine systems via T-S model (2014)
Journal Article
Shaker, M. S., & Patton, R. J. (2014). Active sensor fault tolerant output feedback tracking control for wind turbine systems via T-S model. Engineering applications of artificial intelligence, 34, 1-12. https://doi.org/10.1016/j.engappai.2014.04.005

This paper presents a new approach to active sensor fault tolerant tracking control (FTTC) for offshore wind turbine (OWT) described via Takagi–Sugeno (T–S) multiple models. The FTTC strategy is designed in such way that aims to maintain nominal wind... Read More about Active sensor fault tolerant output feedback tracking control for wind turbine systems via T-S model.

The onset of plasticity of a Zr-based bulk metallic glass (2014)
Journal Article
Huang, Y., Khong, J. C., Connolley, T., & Mi, J. (2014). The onset of plasticity of a Zr-based bulk metallic glass. International Journal of Plasticity, 60, 87-100. https://doi.org/10.1016/j.ijplas.2014.05.003

The deformation behaviors of a Zr41.2Ti13.8Cu12.5Ni10Be22.5 bulk metallic glassy alloy under step-controlled tensile loads have been studied in situ and systematically using scanning electron microscopy and synchrotron X-ray diffraction. A circular h... Read More about The onset of plasticity of a Zr-based bulk metallic glass.

Aeroacoustics of duct junction flows merging at different angles (2014)
Journal Article
Lam, G. C., Leung, R. C., & Tang, S. K. (2014). Aeroacoustics of duct junction flows merging at different angles. Journal of Sound and Vibration, 333(18), 4187-4202. https://doi.org/10.1016/j.jsv.2014.04.045

This paper reports an exploratory study of the aeroacoustics of a merging flow at a duct junction with the same width in all branches and different merging angles. The focus is put on the acoustic generation due to the flow unsteadiness. The study is... Read More about Aeroacoustics of duct junction flows merging at different angles.

UHMWPE fibre-based composites : prestress-induced enhancement of impact properties (2014)
Journal Article
Fazal, A., & Fancey, K. (2014). UHMWPE fibre-based composites : prestress-induced enhancement of impact properties. Composites. Part B, Engineering, 66, 1-6. https://doi.org/10.1016/j.compositesb.2014.04.031

The impact properties of continuous unidirectional UHMWPE fibre-reinforced polyester resin composites have been investigated, to elucidate the effects of prestress on energy absorption characteristics. Prestress within composite samples was produced... Read More about UHMWPE fibre-based composites : prestress-induced enhancement of impact properties.

Validation of CE/SE scheme in low mach number direct aeroacoustic simulation (2014)
Journal Article
Lam, G. C., Leung, R. C., Seid, K. H., & Tang, S. K. (2014). Validation of CE/SE scheme in low mach number direct aeroacoustic simulation. International Journal of Nonlinear Sciences and Numerical Simulation, 15(2), 157-169. https://doi.org/10.1515/ijnsns-2012-0118

The space-time conservation element and solution element (CE/SE) scheme has caught many attentionin aeroacoustic research community as an alternative numerical strategy for direct aeroacoustic simulation (DAS).As a result of its strict conversation o... Read More about Validation of CE/SE scheme in low mach number direct aeroacoustic simulation.

The effect of cooling rate on the wear performance of a ZrCuAlAg bulk metallic glass (2014)
Journal Article
Huang, Y., Fan, H., Wang, D., Sun, Y., Liu, F., Shen, J., Sun, J., & Mi, J. (2014). The effect of cooling rate on the wear performance of a ZrCuAlAg bulk metallic glass. Materials and Design, 58, 284-289. https://doi.org/10.1016/j.matdes.2014.01.067

In the present work, the local atomic ordering and the wear performance of ZrCuAlAg bulk metallic glass (BMG) samples with different diameters have been studied using transmission electron microscopy (TEM) plus autocorrelation function analysis, and... Read More about The effect of cooling rate on the wear performance of a ZrCuAlAg bulk metallic glass.

Understanding the deformation mechanism of individual phases of a ZrTi-based bulk metallic glass matrix composite using in situ diffraction and imaging methods (2014)
Journal Article
Huang, Y., Khong, J. C., Connolley, T., & Mi, J. (2014). Understanding the deformation mechanism of individual phases of a ZrTi-based bulk metallic glass matrix composite using in situ diffraction and imaging methods. Applied physics letters, 104(3), Article 031912. https://doi.org/10.1063/1.4863095

The plasticity of a ZrTi-based bulk metallic glass composite consisting of glassy matrix and crystalline dendritic phase was studied in-situ under identical tensile loading conditions using scanning electron microscopy and synchrotron X-ray diffracti... Read More about Understanding the deformation mechanism of individual phases of a ZrTi-based bulk metallic glass matrix composite using in situ diffraction and imaging methods.

Survey: A comparison of spectrum sensing techniques in cognitive radio (2014)
Presentation / Conference Contribution
Fanan, A., Riley, N., Mehdawi, M., Ammar, M., & Zolfaghari, M. (2014, January). Survey: A comparison of spectrum sensing techniques in cognitive radio. Presented at International Conference Image Processing, Computers and Industrial Engineering

In the present day Cognitive Radio has become a realistic option for solution of the spectrum scarcity problem in wireless communication. One of the most challenging issues in cognitive radio systems is spectrum sensing concepts, which is considered... Read More about Survey: A comparison of spectrum sensing techniques in cognitive radio.