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Urban evolution of the city of Doha: An investigation into the impact of economic transformations on urban structures (2012)
Journal Article
Wiedmann, F., Salama, A. M., & Thierstein, A. (2012). Urban evolution of the city of Doha: An investigation into the impact of economic transformations on urban structures. Metu Journal of the Faculty of Architecture, 29(2), 35-61. https://doi.org/10.4305/METU.JFA.2012.2.2

During the second half of the 20th century Qatar has witnessed its first urbanisation period, which was linked to the rapidly increasing oil production. Today, new development strategies, which have been implemented to diversify its economy, have led... Read More about Urban evolution of the city of Doha: An investigation into the impact of economic transformations on urban structures.

Performance of an integrated solar absorption cooling system in a sub-tropical region (2012)
Journal Article
Darkwa, J., & Fraser, S. (2012). Performance of an integrated solar absorption cooling system in a sub-tropical region. International Journal of Low-Carbon Technologies, 7(3), https://doi.org/10.1093/ijlct/cts024

Evaluation of an integrated solar absorption cooling system located in a sub-tropical region has been carried out. Analysis of the results revealed an operational efficiency of 61% for the solar collectors at a mean differential temperature forumla o... Read More about Performance of an integrated solar absorption cooling system in a sub-tropical region.

Retrofit Yield Spectra–a practical device in seismic rehabilitation (2012)
Journal Article
Thermou, G., Elnashai, A., & Pantazopoulou, S. (2012). Retrofit Yield Spectra–a practical device in seismic rehabilitation. Earthquakes and Structures, 3(2), 141-168. https://doi.org/10.12989/eas.2012.3.2.141

The Retrofit Yield Spectrum (RYS) is a new spectrum-based device that relates seismic demand of a retrofitted structure with the fundamental design parameters of the retrofit. This is obtained from superposition of Yield Point Spectra with design cha... Read More about Retrofit Yield Spectra–a practical device in seismic rehabilitation.

On the impact of Cu dispersion on CO2 photoreduction over Cu/TiO2 (2012)
Journal Article
Fernández, Y., Liu, D., Mackintosh, S., Ola, O., Maroto-Valer, M., Parlett, C. M., …Wu, J. C. (2012). On the impact of Cu dispersion on CO2 photoreduction over Cu/TiO2. Catalysis Communications, 25, 78-82. https://doi.org/10.1016/j.catcom.2012.03.025

A family of Cu/TiO2 catalysts was prepared using a refined sol–gel method, and tested in the photocatalytic reduction of CO2 by H2O to CH4 using a stirred batch, annular reactor. The resulting photoactivity was benchmarked against pure TiO2 nanoparti... Read More about On the impact of Cu dispersion on CO2 photoreduction over Cu/TiO2.

The grooved-dielectric Fresnel zone plate: An effective terahertz lens and antenna (2012)
Journal Article
Hristov, H., Rodriguez, J., & Grote, W. (2012). The grooved-dielectric Fresnel zone plate: An effective terahertz lens and antenna. Microwave and Optical Technology Letters, 54(6), 1343-1348. https://doi.org/10.1002/mop.26812

A number of microwave and terahertz grooved-dielectric Fresnel zone plate (FZP) and ordinary lenses and antennas are studed and compared numerically. Although the microwave (38 GHz) eight-step FZP lens is certainly inferior, the corresponding teraher... Read More about The grooved-dielectric Fresnel zone plate: An effective terahertz lens and antenna.

Confocal surface plasmon microscopy with pupil function engineering (2012)
Journal Article
Zhang, B., Pechprasarn, S., Zhang, J., & Somekh, M. G. (2012). Confocal surface plasmon microscopy with pupil function engineering. Optics Express, 20(7), https://doi.org/10.1364/OE.20.007388

Surface Plasmon microscopy can measure local changes of refractive index on the micron scale. Interferometric plasmon imaging delivers quantitative high spatial resolution sensitive to refractive index. In addition the so called V(z) method allows im... Read More about Confocal surface plasmon microscopy with pupil function engineering.

Polyamide 66 microspheres metallised with in situ synthesised gold nanoparticles for a catalytic application (2012)
Journal Article
Cheval, N., Gindy, N., Flowkes, C., & Fahmi, A. (2012). Polyamide 66 microspheres metallised with in situ synthesised gold nanoparticles for a catalytic application. Nanoscale Research Letters, 7(1), https://doi.org/10.1186/1556-276X-7-182

A simple concept is proposed to metallise polyamide 66 (PA66) spherulite structures with in situ synthesised gold nanoparticles (Au NPs) using a wet chemical method. This cost-effective approach, applied to produce a PA66/Au NP hybrid material, offer... Read More about Polyamide 66 microspheres metallised with in situ synthesised gold nanoparticles for a catalytic application.

Initial mechanical properties of phosphate-glass fibre-reinforced rods for use as resorbable intramedullary nails (2012)
Journal Article
Felfel, R. M., Ahmed, I., Parsons, A. J., Harper, L. T., & Rudd, C. D. (2012). Initial mechanical properties of phosphate-glass fibre-reinforced rods for use as resorbable intramedullary nails. Journal of Materials Science, 47(12), 4884-4894. https://doi.org/10.1007/s10853-012-6355-9

This paper investigates the use of novel phosphate- glass fibre-reinforced rods as resorbable intramedullary nails. Random and unidirectional fibres were moulded into composite rods by forging at ∼100 °C. Rods produced using non-woven random mats (RM... Read More about Initial mechanical properties of phosphate-glass fibre-reinforced rods for use as resorbable intramedullary nails.

Corrosion behaviour of crystalline and amorphous forms of the glass forming alloy Fe43Cr16Mo16C15B10 (2012)
Journal Article
Bakare, M., Voisey, K., Chokethawai, K., & McCartney, D. (in press). Corrosion behaviour of crystalline and amorphous forms of the glass forming alloy Fe43Cr16Mo16C15B10. Journal of Alloys and Compounds, 527, https://doi.org/10.1016/j.jallcom.2012.02.127

The corrosion behaviour of both crystalline and largely amorphous forms of the Fe-based glass forming alloy, Fe43Cr16Mo16C15B10 alloy was investigated. Two different methods were used to induce transformation to the amorphous form of the alloy: laser... Read More about Corrosion behaviour of crystalline and amorphous forms of the glass forming alloy Fe43Cr16Mo16C15B10.

Factors affecting pre-failure instability of sand under plane-strain conditions (2012)
Journal Article
Wanatowski, D., & Chu, J. (2012). Factors affecting pre-failure instability of sand under plane-strain conditions. Géotechnique, 62(2), https://doi.org/10.1680/geot.9.P.111

Experimental data obtained from a plane-strain appara- tus are presented in this paper to show that a pre-failure instability in the form of a rapid and sustained increase in strain rate can occur for both contractive and dilative sand under fully dr... Read More about Factors affecting pre-failure instability of sand under plane-strain conditions.

The interaction of a vortex ring with a sloped sediment layer: critical criteria for incipient grain motion (2012)
Journal Article
Munro, R. J. (in press). The interaction of a vortex ring with a sloped sediment layer: critical criteria for incipient grain motion. Physics of Fluids, 24(2), https://doi.org/10.1063/1.3683555

Experiments were performed to analyse the interaction between a vortex ring and a sloped sediment layer. Attention focussed on interactions under “critical” conditions, in which sediment motion was only just induced by the ring's flow field. Both hyd... Read More about The interaction of a vortex ring with a sloped sediment layer: critical criteria for incipient grain motion.

Research of Detection and Control System for Lunar Dust Effects Simulator (2012)
Journal Article
Liao, Z. R., Zhou, L., Gao, D., Zhang, X. L., & Yin, M. L. (2012). Research of Detection and Control System for Lunar Dust Effects Simulator. Advanced Materials Research, 426, 126-130. https://doi.org/10.4028/www.scientific.net/AMR.426.126

To simluate the effects of lunar dust environment veritably by using lunar dust effects simulator, a detection and control system based on singlechip microcomputer was developed. In this system, peripheral circuits with stepper motor driver, temperat... Read More about Research of Detection and Control System for Lunar Dust Effects Simulator.

Simple Near Exact Image Solution for Vertical Antenna Above Lossy Ground Using Stationary Phase Approximation (2012)
Presentation / Conference Contribution
Tahanian, E., Dadashzadeh, G., & Taghvaee, H. Simple Near Exact Image Solution for Vertical Antenna Above Lossy Ground Using Stationary Phase Approximation. Presented at IEEE NEMO 2012 (Numerical Electromagnetic Modeling and Optimization)

In this paper, the traditional problem of field computation for a vertical radiating antenna above a lossy infinite ground is discussed and revisited. To simplify and solve the traditional solutions consist of complicated integrals of sommerfeld type... Read More about Simple Near Exact Image Solution for Vertical Antenna Above Lossy Ground Using Stationary Phase Approximation.

Modeling the re-anchoring of a ruptured tendon in bonded post-tensioned concrete (2012)
Presentation / Conference Contribution
Abdelatif, A. O., Owen, J. S., & Hussein, M. F. (2012). Modeling the re-anchoring of a ruptured tendon in bonded post-tensioned concrete.

: In this study, a theoretical model is deve loped to simulate the re-anchorage of a ruptured bonded post-tensioning tendon. This includes estimating the re-anchorage length and stress distribution over the tendon. The model accounts for equilibr... Read More about Modeling the re-anchoring of a ruptured tendon in bonded post-tensioned concrete.

Multimodal imaging of fluid transport in living epithelial sheets (2011)
Presentation / Conference Contribution
Webb, K. F., Zhang, J., & Somekh, M. (2011). Multimodal imaging of fluid transport in living epithelial sheets. In 2011 Functional Optical Imaging. https://doi.org/10.1109/FOI.2011.6154825

Detailed knowledge on the biophysical mechanisms and local intercompartmental dynamics by which fluid and solute transport is achieved and regulated at the cellular and subcellular level is lacking. In this paper, cultures of immortalised human retin... Read More about Multimodal imaging of fluid transport in living epithelial sheets.

Influence of screw holes and gamma sterilization on properties of phosphate glass fiber-reinforced composite bone plates (2011)
Journal Article
Han, N., Ahmed, I., Parsons, A. J., Harper, L., Scotchford, C. A., Scammell, B. E., & Rudd, C. D. (2013). Influence of screw holes and gamma sterilization on properties of phosphate glass fiber-reinforced composite bone plates. Journal of Biomaterials Applications, 27(8), 990-1002. https://doi.org/10.1177/0885328211431855

Polymers prepared from polylactic acid (PLA) have found a multitude of uses as medical devices. For a material that degrades, the main advantage is that an implant would not necessitate a second surgical event for removal. In this study, fibers produ... Read More about Influence of screw holes and gamma sterilization on properties of phosphate glass fiber-reinforced composite bone plates.

Application of airborne LiDAR data and airborne multispectral imagery to structural mapping of the upper section of the Troodos ophiolite, Cyprus (2011)
Journal Article
Grebby, S., Cunningham, D., Naden, J., & Tansey, K. (2012). Application of airborne LiDAR data and airborne multispectral imagery to structural mapping of the upper section of the Troodos ophiolite, Cyprus. International Journal of Earth Sciences, 101(6), https://doi.org/10.1007/s00531-011-0742-3

Structural maps are traditionally produced by mapping features such as faults, folds, fabrics, fractures and joints in the field. However, large map areas and the spatially limited ground perspective of the field geologist can potentially increase th... Read More about Application of airborne LiDAR data and airborne multispectral imagery to structural mapping of the upper section of the Troodos ophiolite, Cyprus.

Widefield heterodyne interferometry using a custom CMOS modulated light camera (2011)
Journal Article
Patel, R., Achamfuo-Yeboah, S., Light, R., & Clark, M. (2011). Widefield heterodyne interferometry using a custom CMOS modulated light camera. Optics Express, 19(24), https://doi.org/10.1364/OE.19.024546

In this paper a method of taking widefield heterodyne inter- ferograms using a prototype modulated light camera is described. This custom CMOS modulated light camera (MLC) uses analogue quadrature demodulation at each pixel to output the phase and am... Read More about Widefield heterodyne interferometry using a custom CMOS modulated light camera.

Enhancement of soil thermo-physical properties using microencapsulated phase change materials for ground source heat pump applications (2011)
Journal Article
Dehdezi, P. K., Hall, M. R., & Dawson, A. (in press). Enhancement of soil thermo-physical properties using microencapsulated phase change materials for ground source heat pump applications. Applied Mechanics and Materials, 110-116, https://doi.org/10.4028/www.scientific.net/AMM.110-116.1191

Soil can be modified with Phase Change materials (PCM) in order to enhance its thermophysical properties and energy storage for ground source heat pump applications. This paper studies thermo-physical properties of soil modified with different amount... Read More about Enhancement of soil thermo-physical properties using microencapsulated phase change materials for ground source heat pump applications.