All Outputs (395)

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.

A Spectrum Sensing Test Bed based on Matlab and USRP2 (2014)
Presentation / Conference Contribution
Ammar, M., Mehdawi, M., Riley, N., Fanan, A., Paulson, K., & Zolfaghari, M. (2014, January). A Spectrum Sensing Test Bed based on Matlab and USRP2. Presented at International Conference on Machine Learning, Electrical and Mechanical Engineering

— The spectrum monitoring has gained new aspects with development of the software defined radio SDR as its very important issue in the spectrum management area. In this paper a spectrum monitoring technique with SDR is proposed, the setup of the prot... Read More about A Spectrum Sensing Test Bed based on Matlab and USRP2.

Process analysis of intensified absorber for post-combustion CO₂ capture through modelling and simulation (2013)
Journal Article
Joel, A. S., Wang, M., Ramshaw, C., & Oko, E. (2014). Process analysis of intensified absorber for post-combustion CO₂ capture through modelling and simulation. International journal of greenhouse gas control, 21, 91-100. https://doi.org/10.1016/j.ijggc.2013.12.005

Process intensification (PI) has the potential to significantly reduce capital and operating costs in postcombustion CO₂ capture using monoethanolamine (MEA) solvent for power plants. The intensified absorber using rotating packed bed (RPB) was model... Read More about Process analysis of intensified absorber for post-combustion CO₂ capture through modelling and simulation.

Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio (2013)
Presentation / Conference Contribution
Mehdawi, M. A., Riley, N. G., Ammar, M., Fanan, A., & Zolfaghari, M. (2013, November). Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio. Presented at 2013 21st Telecommunications Forum Telfor, TELFOR 2013 - Proceedings of Papers

Cognitive radio offers an increasingly attractive solution to overcome the underutilization problem. A sensor network based cooperative wideband spectrum sensing is proposed in this paper. The purpose of the sensor network is to determine the frequen... Read More about Cooperative wideband spectrum sensing with multi-bit hard decision in cognitive radio.

Active fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults (2013)
Journal Article
Sami, M., & Patton, R. J. (2013). Active fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults. International journal of control, automation and systems, 11(6), 1149-1161. https://doi.org/10.1007/s12555-013-0227-1

The goal of this paper is to describe a novel fault tolerant tracking control (FTTC) strategy based on robust fault estimation and compensation of simultaneous actuator and sensor faults. Within the framework of fault tolerant control (FTC) the chall... Read More about Active fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults.

The interdendritic-melt solidification control (IMSC) and its effects on the porosity and phase change of a Ni-based superalloy (2013)
Journal Article
Zheng, L., Zhang, G., Xiao, C., Lee, T. L., Han, B., Li, Z., Daisenberger, D., & Mi, J. (2014). The interdendritic-melt solidification control (IMSC) and its effects on the porosity and phase change of a Ni-based superalloy. Scripta materialia, 74, 84-87. https://doi.org/10.1016/j.scriptamat.2013.11.001

A novel interdendritic-melt solidification control (IMSC) technique is developed to manufacture equiaxed Ni-based superalloy with much reduced porosity. The basic concept of IMSC is illustrated. The effects of IMSC on the porosity and phases of IN792... Read More about The interdendritic-melt solidification control (IMSC) and its effects on the porosity and phase change of a Ni-based superalloy.

Performance enhancement of nylon/Kevlar fiber composites through viscoelastically generated pre-stress (2013)
Journal Article
Fazal, A., & Fancey, K. S. (2014). Performance enhancement of nylon/Kevlar fiber composites through viscoelastically generated pre-stress. Polymer composites, 35(5), 931-938. https://doi.org/10.1002/pc.22737

Kevlar-29 fibers have high strength and stiffness but nylon 6,6 fibers have greater ductility. Thus by commingling these fibers prior to molding in a resin, the resulting hybrid composite may be mechanically superior to the corresponding single fiber... Read More about Performance enhancement of nylon/Kevlar fiber composites through viscoelastically generated pre-stress.

Phase field study of the tip operating state of a freely growing dendrite against convection using a novel parallel multigrid approach (2013)
Journal Article
Guo, Z., Mi, J., Xiong, S., & Grant, P. (2014). Phase field study of the tip operating state of a freely growing dendrite against convection using a novel parallel multigrid approach. Journal of Computational Physics, 257(A), 278-297. https://doi.org/10.1016/j.jcp.2013.10.004

Alloy dendrite growth during solidification with coupled thermal-solute-convection fields has been studied by phase field modeling and simulation. The coupled transport equations were solved using a novel parallel-multigrid numerical approach with hi... Read More about Phase field study of the tip operating state of a freely growing dendrite against convection using a novel parallel multigrid approach.

Rich tomography techniques for the analysis of microstructure and deformation (2013)
Journal Article
Baimpas, N., Xie, M., Song, X., Hofmann, F., Abbey, B., Marrow, J., Mostafavi, M., Mi, J., & Korsunsky, A. M. (2014). Rich tomography techniques for the analysis of microstructure and deformation. International Journal of Computational Methods, 11(3), Article 1343006. https://doi.org/10.1142/S0219876213430068

Until very recently, the three-dimensionality of the material world presented numerous challenges in terms of characterization, data handling, visualization, and modeling. For this reason, 2D representation of sections, projections, or surfaces remai... Read More about Rich tomography techniques for the analysis of microstructure and deformation.

Neural network predictions of acoustical parameters in multi-purpose performance halls (2013)
Journal Article
Cheung, L. Y., & Tang, S. K. (2013). Neural network predictions of acoustical parameters in multi-purpose performance halls. The Journal of the Acoustical Society of America, 134(3), 2049-2065. https://doi.org/10.1121/1.4817880

A detailed binaural sound measurement was carried out in two multi-purpose performance halls of different seating capacities and designs in Hong Kong in the present study. The effectiveness of using neural network in the predictions of the acoustical... Read More about Neural network predictions of acoustical parameters in multi-purpose performance halls.