All Outputs (389)

Quantum cutting downconversion by cooperative energy transfer from Bi3+ to Yb3+ in Y2O3 phosphor (2010)
Journal Article
Xian-Tao, W., Jiang-Bo, Z., Yong-Hu, C., Min, Y., & Yong, L. (2010). Quantum cutting downconversion by cooperative energy transfer from Bi3+ to Yb3+ in Y2O3 phosphor. Chinese Physics B, 19(7), Article 077804. https://doi.org/10.1088/1674-1056/19/7/077804

Bi3+ and Yb3+ codoped cubic Y2O3 phosphors are prepared by pechini sol–gel method. Strong near-infrared (NIR) emission around 980 nm from Yb3+ (2F5/2 →2 F7/2) is observed under ultraviolet light excitation. A broad excitation band ranging from 320 to... Read More about Quantum cutting downconversion by cooperative energy transfer from Bi3+ to Yb3+ in Y2O3 phosphor.

Functional loading, facial remodelling and the formation of the maxillary sinus and maxillary fossa in Macacca fascicularis and Cercocebus torquatus (2010)
Presentation / Conference Contribution
Liu, J., Shi, J., Fitton, L., O'Higgins, P., & Fagan, M. Functional loading, facial remodelling and the formation of the maxillary sinus and maxillary fossa in Macacca fascicularis and Cercocebus torquatus

Why do humans have chins? Testing the mechanical significance of modern human symphyseal morphology with finite element analysis (2010)
Journal Article
Gröning, F., Liu, J., Fagan, M. J., & O'Higgins, P. (2011). Why do humans have chins? Testing the mechanical significance of modern human symphyseal morphology with finite element analysis. American journal of physical anthropology, 144(4), 593-606. https://doi.org/10.1002/ajpa.21447

The modern human mandibular symphysis differs from those of all other primates in being vertically orientated and possessing a chin, but the functional significance of this unique morphology is not well understood. Some hypotheses propose that it is... Read More about Why do humans have chins? Testing the mechanical significance of modern human symphyseal morphology with finite element analysis.

Viscoelastically prestressed polymeric matrix composites - Potential for useful life and impact protection (2010)
Journal Article
Fancey, K. (2010). Viscoelastically prestressed polymeric matrix composites - Potential for useful life and impact protection. Composites. Part B, Engineering, 41(6), 454-461. https://doi.org/10.1016/j.compositesb.2010.05.002

A viscoelastically prestressed polymeric matrix composite (VPPMC) is produced by applying tension to polymeric fibres, the tensile load being released prior to moulding the fibres into a matrix. Following matrix solidification, compressive stresses i... Read More about Viscoelastically prestressed polymeric matrix composites - Potential for useful life and impact protection.

Combining geometric morphometrics and functional simulation: an emerging toolkit for virtual functional analyses (2010)
Journal Article
O'Higgins, P., Cobb, S. N., Fitton, L. C., Gröning, F., Phillips, R., Liu, J., & Fagan, M. J. (2011). Combining geometric morphometrics and functional simulation: an emerging toolkit for virtual functional analyses. Journal of anatomy, 218(1), 3-15. https://doi.org/10.1111/j.1469-7580.2010.01301.x

The development of virtual methods for anatomical reconstruction and functional simulation of skeletal structures offers great promise in evolutionary and ontogenetic investigations of form-function relationships. Key developments reviewed here inclu... Read More about Combining geometric morphometrics and functional simulation: an emerging toolkit for virtual functional analyses.

Spray forming of bulk ultrafine-grained Al-Fe-Cr-Ti (2010)
Journal Article
Banjongprasert, C., Hogg, S. C., Liotti, E., Kirk, C. A., Thompson, S. P., Mi, J., & Grant, P. S. (2010). Spray forming of bulk ultrafine-grained Al-Fe-Cr-Ti. Metallurgical and materials transactions. A, Physical metallurgy and materials science, 41(12), 3208-3215. https://doi.org/10.1007/s11661-010-0386-0

An Al-2.7Fe-1.9Cr-1.8Ti alloy has been spray formed in bulk and the microstructure and properties compared with those of similar alloys produced by casting, powder aomization (PA), and mechanical alloying (MA) routes. In PA and MA routes, a nanoscale... Read More about Spray forming of bulk ultrafine-grained Al-Fe-Cr-Ti.

Validation of a morphometric reconstruction technique applied to a juvenile pelvis (2010)
Journal Article
Watson, P., O'Higgins, P., Fagan, M. J., & Dobson, C. A. (2011). Validation of a morphometric reconstruction technique applied to a juvenile pelvis. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 225(1), 48-57. https://doi.org/10.1243/09544119jeim810

Three-dimensional reconstructions of bone geometry from microCT (computed tomography) data are frequently used in biomechanical and finite element analyses. Digitization of bone models is usually a simple process for specimens with a complete geometr... Read More about Validation of a morphometric reconstruction technique applied to a juvenile pelvis.

Preliminary trials of in situ ammonia stripping from source segregated domestic food waste digestate using biogas: Effect of temperature and flow rate (2010)
Journal Article
De la Rubia, M. Á., Walker, M., Heaven, S., Banks, C. J., & Borja, R. (2010). Preliminary trials of in situ ammonia stripping from source segregated domestic food waste digestate using biogas: Effect of temperature and flow rate. Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies, 101(24), 9486-9492. https://doi.org/10.1016/j.biortech.2010.07.096

Batch experiments to remove ammonia from food waste digestate were set up, and preliminary runs undertaken. These experiments were based on gas stripping in a heated column reactor; the effects of different temperatures (35, 55 and 70 °C) and gas flo... Read More about Preliminary trials of in situ ammonia stripping from source segregated domestic food waste digestate using biogas: Effect of temperature and flow rate.

Microstructure and property development in spray formed and extruded Al-Mg-Li-Zr alloys for aerospace and autosport applications (2010)
Journal Article
Hogg, S. C., Mi, J., Nilsen, K. E., Liotti, E., & Grant, P. S. (2010). Microstructure and property development in spray formed and extruded Al-Mg-Li-Zr alloys for aerospace and autosport applications. Materials Science and Engineering Technology / Materialwissenschaft und Werkstofftechnik, 41(7), 562-567. https://doi.org/10.1002/mawe.201000643

Low density Al-4Mg-1.3Li-0.4Zr and Al-6Mg-1.6Li-0.4Zr alloys were spray formed and the billets extruded under a range of conditions. The alloy compositions were selected to provide an attractive balance of tensile strength and elongation, without rel... Read More about Microstructure and property development in spray formed and extruded Al-Mg-Li-Zr alloys for aerospace and autosport applications.

Refinement of TiB2 in Al-Ti-B grain refiner alloys by ultrasound and the effect on Al grain size (2010)
Journal Article
Shu, D., Sun, B. D., Mi, J. W., & Grant, P. S. (2010). Refinement of TiB2 in Al-Ti-B grain refiner alloys by ultrasound and the effect on Al grain size. Materials Science Forum, 654-656, 958-961. https://doi.org/10.4028/www.scientific.net/msf.654-656.958

High-intensity ultrasound was applied during the preparation of an Al-5Ti-1B master alloy when reacting fluoride salts with molten Al. The reaction rate was significantly increased with TiB2 particles of much reduced mean diameter and narrow width sp... Read More about Refinement of TiB2 in Al-Ti-B grain refiner alloys by ultrasound and the effect on Al grain size.

Modelling and experiments concerning dendrite re-melting and its role in microstructural evolution in spray formed Ni superalloys (2010)
Journal Article
Zhang, Y., Guo, Z., Zhang, G., Mi, J. W., & Grant, P. S. (2010). Modelling and experiments concerning dendrite re-melting and its role in microstructural evolution in spray formed Ni superalloys. Materials Science Forum, 654-656, 1363-1366. https://doi.org/10.4028/www.scientific.net/msf.654-656.1363

This paper presents a combined experimental and modelling approach to understand dendrite fragmentation of atomised metal alloy droplets during deposition in spray forming, and to study quantitatively the relationship between this dendrite fragmentat... Read More about Modelling and experiments concerning dendrite re-melting and its role in microstructural evolution in spray formed Ni superalloys.

Phase field modelling of dendrite fragmentation during thermal shock (2010)
Journal Article
Guo, Z., Mi, J. W., & Grant, P. S. (2010). Phase field modelling of dendrite fragmentation during thermal shock. Materials Science Forum, 654-656, 1524-1527. https://doi.org/10.4028/www.scientific.net/msf.654-656.1524

The dendrite grain growth of a succinonitrile based transparent alloy, their fragmentation under an intense thermal shock and the subsequnet morphology evolution during solidification have been simulated using a two-dimensional binary alloy phase fie... Read More about Phase field modelling of dendrite fragmentation during thermal shock.

Modeling the deposition dynamics of a twin-atomizer spray forming system (2010)
Journal Article
Zhang, G., Li, Z., Zhang, Y., Mi, J., & Grant, P. S. (2010). Modeling the deposition dynamics of a twin-atomizer spray forming system. Metallurgical and Materials Transactions B, 41(2), 303-307. https://doi.org/10.1007/s11663-009-9333-0

A numerical study of the deposition dynamics of twin-atomizer spray-forming of large-diameter billets is presented with a focus on the coupled effect of the twinatomizer scan frequency and substrate rotation frequency. The common period of the two fr... Read More about Modeling the deposition dynamics of a twin-atomizer spray forming system.

Statistics of surface gravity wave turbulence in the space and time domains (2009)
Journal Article
Nazarenko, S., Lukaschuk, S., McLelland, S., & Denissenko, P. (2010). Statistics of surface gravity wave turbulence in the space and time domains. Journal of Fluid Mechanics, 642, 395-420. https://doi.org/10.1017/S0022112009991820

We present experimental results on simultaneous spacetime measurements for the gravity wave turbulence in a large laboratory flume. We compare these results with predictions of the weak turbulence theory (WTT) based on random waves, as well as with p... Read More about Statistics of surface gravity wave turbulence in the space and time domains.

Use of a Hydraulic Flush Reactor in a Two-Stage Anaerobic Digestion Process for Biodegradable Municipal Waste (2009)
Journal Article
Walker, M., Banks, C. J., & Heaven, S. (2009). Use of a Hydraulic Flush Reactor in a Two-Stage Anaerobic Digestion Process for Biodegradable Municipal Waste. Environmental Engineering Science, 26(11), 1599-1606. https://doi.org/10.1089/ees.2009.0021

Performance of a hydrolysis reactor in which the solids and liquid retention times were uncoupled to give enhanced solids retention and removal of hydrolysis products was evaluated for a feedstock of biodegradable municipal waste (BMW). The reactor w... Read More about Use of a Hydraulic Flush Reactor in a Two-Stage Anaerobic Digestion Process for Biodegradable Municipal Waste.

Potential errors in the quantitative evaluation of biogas production in anaerobic digestion processes (2009)
Journal Article
Walker, M., Zhang, Y., Heaven, S., & Banks, C. (2009). Potential errors in the quantitative evaluation of biogas production in anaerobic digestion processes. Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies, 100(24), 6339-6346. https://doi.org/10.1016/j.biortech.2009.07.018

Errors that are commonly made in the quantification of biogas from anaerobic digestion experiments were investigated. For liquid displacement gasometers where a barrier solution separates the biogas and the atmosphere, inaccuracy due to gas diffus... Read More about Potential errors in the quantitative evaluation of biogas production in anaerobic digestion processes.

Gravity wave turbulence in wave tanks: Space and time statistics (2009)
Journal Article
Lukaschuk, S., Nazarenko, S., McLelland, S., & Denissenko, P. (2009). Gravity wave turbulence in wave tanks: Space and time statistics. Physical review letters, 103(4), Article ARTN 044501. https://doi.org/10.1103/PhysRevLett.103.044501

We present the first simultaneous space-time measurements for gravity wave turbulence in a large laboratory flume. We found that the slopes of k and ω wave spectra depend on wave intensity. This cannot be explained by any existing theory considering... Read More about Gravity wave turbulence in wave tanks: Space and time statistics.

Two-stage anaerobic digestion of biodegradable municipal solid waste using a rotating drum mesh filter bioreactor and anaerobic filter (2009)
Journal Article
Walker, M., Banks, C., & Heaven, S. (2009). Two-stage anaerobic digestion of biodegradable municipal solid waste using a rotating drum mesh filter bioreactor and anaerobic filter. Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies, 100(18), 4121-4126. https://doi.org/10.1016/j.biortech.2009.03.066

A rotating drum mesh filter bioreactor (RDMFBR) with a 100 μm mesh coupled to an anaerobic filter was used for the anaerobic digestion of biodegradable municipal solid waste (BMW). Duplicate systems were operated for 72 days at an organic loading rat... Read More about Two-stage anaerobic digestion of biodegradable municipal solid waste using a rotating drum mesh filter bioreactor and anaerobic filter.

Validating a voxel-based finite element model of a human mandible using digital speckle pattern interferometry (2009)
Journal Article
Gröning, F., Liu, J.-S., Fagan, M. J., & O'Higgins, P. (2009). Validating a voxel-based finite element model of a human mandible using digital speckle pattern interferometry. Journal of biomechanics, 42(9), 1224-1229. https://doi.org/10.1016/j.jbiomech.2009.03.025

Finite element analysis is a powerful tool for predicting the mechanical behaviour of complex biological structures like bones, but to be confident in the results of an analysis, the model should be validated against experimental data. In such valida... Read More about Validating a voxel-based finite element model of a human mandible using digital speckle pattern interferometry.

The flexural stiffness characteristics of viscoelastically prestressed polymeric matrix composites (2009)
Journal Article
Pang, J. W. C., & Fancey, K. S. (2009). The flexural stiffness characteristics of viscoelastically prestressed polymeric matrix composites. Composites Part A: Applied Science and Manufacturing, 40(6-7), 784-790. https://doi.org/10.1016/j.compositesa.2009.03.009

A novel composite material is described, where tension, applied to polymeric fibres, is released prior to moulding them into a matrix. On matrix solidification, compressive stresses imparted by the viscoelastically strained fibres improve mechanical... Read More about The flexural stiffness characteristics of viscoelastically prestressed polymeric matrix composites.