All Outputs (21)

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.

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., …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., …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.

Inorganic constituents formed during small-scale gasification of poultry litter: A model based study (2013)
Journal Article
Font Palma, C., & Martin, A. D. (2013). Inorganic constituents formed during small-scale gasification of poultry litter: A model based study. Fuel Processing Technology, 116, 300-307. https://doi.org/10.1016/j.fuproc.2013.07.018

Europe's vast poultry industry requires a proper waste management in order to comply with environmental regulations. As a result, poultry litter represents a potential fuel candidate for thermal conversion technologies since it is an available source... Read More about Inorganic constituents formed during small-scale gasification of poultry litter: A model based study.

An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm (2013)
Journal Article
Ma, S., Wilkinson, A. J., & Paulson, K. S. (2014). An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm. Ultrasonics, 54(2), 502-515. https://doi.org/10.1016/j.ultras.2013.07.017

A non-linear control method, known as Variable Structure Control (VSC), is employed to reduce the duration of ultrasonic (US) transducer transients. A physically realizable system using a simplified form of the VSC algorithm is proposed for standard... Read More about An ultrasonic transducer transient compensator design based on a simplified Variable Structure Control algorithm.

Sound absorption properties of porous composites fabricated by a hydrogel templating technique (2013)
Journal Article
Rutkevicius, M., Mehl, G. H., Paunov, V. N., Qin, Q., Rubini, P. A., Stoyanov, S. D., & Petkov, J. (2013). Sound absorption properties of porous composites fabricated by a hydrogel templating technique. Journal of Materials Research, 28(17), 2409-2414. https://doi.org/10.1557/jmr.2013.194

We have used a hydrogel templating technique followed by the subsequent evaporation of water present to fabricate porous cement and porous PDMS composites, and we have analyzed their sound absorption properties. All experiments were carried out with... Read More about Sound absorption properties of porous composites fabricated by a hydrogel templating technique.

The effects of annealing on the microstructure and the dynamic mechanical strength of a ZrCuNiAl bulk metallic glass (2013)
Journal Article
Huang, Y., Zheng, W., Fan, H., Wang, D., Shen, J., & Mi, J. (2013). The effects of annealing on the microstructure and the dynamic mechanical strength of a ZrCuNiAl bulk metallic glass. Intermetallics, 42, 192-197. https://doi.org/10.1016/j.intermet.2013.07.001

Isothermal annealing has been applied to a bulk metallic glass alloy, Zr50.7Cu28Ni9Al12.3. Nanocrystalline precipitates, mainly consisting of Ni3Zr and Ni42Zr 58 phases, appear from the amorphous matrix when annealed at 743 K for different times, and... Read More about The effects of annealing on the microstructure and the dynamic mechanical strength of a ZrCuNiAl bulk metallic glass.

Modelling of tar formation and evolution for biomass gasification: A review (2013)
Journal Article
Font Palma, C. (2013). Modelling of tar formation and evolution for biomass gasification: A review. Applied energy, 111, 129-141. https://doi.org/10.1016/j.apenergy.2013.04.082

Many by-products are generated during gasification, such as tar, NOx, SO2, and fly ash. In particular, tar elimination from the product gas is necessary to make gasification an attractive option. The presence of tar can cause operational problems to... Read More about Modelling of tar formation and evolution for biomass gasification: A review.

Phase field simulation of binary alloy dendrite growth under thermal- and forced-flow fields: An implementation of the parallel-multigrid approach (2013)
Journal Article
Guo, Z., Mi, J., Xiong, S., & Grant, P. S. (2013). Phase field simulation of binary alloy dendrite growth under thermal- and forced-flow fields: An implementation of the parallel-multigrid approach. Metallurgical and Materials Transactions B, 44(4), 924-937. https://doi.org/10.1007/s11663-013-9861-5

Dendrite growth and morphology evolution during solidification have been studied using a phase field model incorporating melt convection effects, which was solved using a robust and efficient parallel, multigrid computing approach. Single dendrite gr... Read More about Phase field simulation of binary alloy dendrite growth under thermal- and forced-flow fields: An implementation of the parallel-multigrid approach.

Model based evaluation of six energy integration schemes applied to a small-scale gasification process for power generation (2013)
Journal Article
Font Palma, C., & Martin, A. D. (2013). Model based evaluation of six energy integration schemes applied to a small-scale gasification process for power generation. Biomass & bioenergy, 54, 201-210. https://doi.org/10.1016/j.biombioe.2013.03.024

This work considers the use of spent poultry litter as a fuel for on-site power generation. On-site use eliminates the need for the transportation of biomass to centralised plants and the associated bio-security issues. This work utilised process sim... Read More about Model based evaluation of six energy integration schemes applied to a small-scale gasification process for power generation.

Model for biomass gasification including tar formation and evolution (2013)
Journal Article
Palma, C. F. (2013). Model for biomass gasification including tar formation and evolution. Energy and Fuels, 27(5), 2693-2702. https://doi.org/10.1021/ef4004297

Since tar elimination from the product gas is necessary to make gasification an attractive option, the presence of tar was included in a kinetic model. Lignin was assumed as the main precursor of tars due to its aromatic nature; therefore, the lignin... Read More about Model for biomass gasification including tar formation and evolution.

Spectrum occupancy survey In HULL-UK For cognitive radio applications: Measurement & analysis (2013)
Journal Article
Mehdawi, M., Riley, N., Paulson, K., Fanan, A., & Ammar, M. (2013). Spectrum occupancy survey In HULL-UK For cognitive radio applications: Measurement & analysis. International Journal of Scientific and Technology Research, 2(4), 231-236

Efficient use of the radio spectrum is a necessity for future wireless systems. Cognitive Radio (CR) systems promise large inc reases in spectral efficiency. An important design constraint for systems is understanding of the current use of frequency... Read More about Spectrum occupancy survey In HULL-UK For cognitive radio applications: Measurement & analysis.

In situ study of the evolution of atomic strain of bulk metallic glass and its effects on shear band formation (2013)
Journal Article
Huang, Y. J., Khong, J. C., Connolley, T., & Mi, J. (2013). In situ study of the evolution of atomic strain of bulk metallic glass and its effects on shear band formation. Scripta materialia, 69(3), 207-210. https://doi.org/10.1016/j.scriptamat.2013.03.016

The tensile behavior of TiZrNiCuBe metallic glass was studied using synchrotron X-ray diffraction and scanning electron microscopy. Shear band formation was carefully controlled by the introduction of a stress gradient due to a semi-circular notch. M... Read More about In situ study of the evolution of atomic strain of bulk metallic glass and its effects on shear band formation.

Plenum window insertion loss in the presence of a line source - A scale model study (2013)
Journal Article
Tong, Y. G., & Tang, S. K. (2013). Plenum window insertion loss in the presence of a line source - A scale model study. The Journal of the Acoustical Society of America, 133(3), 1458-1467. https://doi.org/10.1121/1.4788996

The acoustical insertion losses of plenum windows installed on a building facade in the presence of a non-parallel line source are studied by using a 1:4 scaled down model in a semi-anechoic chamber in the present investigation. Two types of insertio... Read More about Plenum window insertion loss in the presence of a line source - A scale model study.

Aeroacoustics of T-junction merging flow (2013)
Journal Article
Lam, G. C., Leung, R. C., & Tang, S. K. (2013). Aeroacoustics of T-junction merging flow. The Journal of the Acoustical Society of America, 133(2), 697-708. https://doi.org/10.1121/1.4773351

This paper reports a numerical study of the aeroacoustics of merging flow at T-junction. The primary focus is to elucidate the acoustic generation by the flow unsteadiness. The study is conducted by performing direct aeroacoustic simulation approach,... Read More about Aeroacoustics of T-junction merging flow.

High speed imaging study of the dynamics of ultrasonic bubbles at a liquid-solid interface (2013)
Journal Article
Tan, D., & Mi, J. (2013). High speed imaging study of the dynamics of ultrasonic bubbles at a liquid-solid interface. Materials Science Forum, 765, 230-234. https://doi.org/10.4028/www.scientific.net/MSF.765.230

High speed imaging, including the ultrafast synchrotron X-ray imaging facility at the beamline 32-ID-B of the Advanced Photon Source (APS), was used to study in-situ (1) the dynamics of ultrasonic bubbles inside a water suspension with an acoustic fi... Read More about High speed imaging study of the dynamics of ultrasonic bubbles at a liquid-solid interface.