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Robust snubberless soft-switching power converter using SiC power MOSFETs and bespoke thermal design (2014)
Journal Article
Giuliani, F., Dipankar, D., Delmonte, N., Castellazzi, A., & Cova, P. (2014). Robust snubberless soft-switching power converter using SiC power MOSFETs and bespoke thermal design. Microelectronics Reliability, 54(9-10), https://doi.org/10.1016/j.microrel.2014.07.057

A number of harsh-environment high-reliability applications are undergoing substantial electrification. The converters operating in such systems need to be designed to meet both stringent performance and reliability requirements. Semiconductor device... Read More about Robust snubberless soft-switching power converter using SiC power MOSFETs and bespoke thermal design.

Design and simulation of high-speed nanophotonic electro-optic modulators (2014)
Conference Proceeding
Kaunga-Nyirenda, S. N., Dias, H. K., Lim, J. J., Bull, S., Malaguti, S., Bellanca, G., & Larkins, E. C. (2014). Design and simulation of high-speed nanophotonic electro-optic modulators. In Numerical Simulation of Optoelectronic Devices, 2014. https://doi.org/10.1109/nusod.2014.6935329

In this work, an ultracompact electro-optic modulator based on refractive index modulation by plasma dispersion effect in PhC all-optical gate (AOG) is proposed. The index modulation is achieved by applying a time-varying bias voltage across the elec... Read More about Design and simulation of high-speed nanophotonic electro-optic modulators.

Calibration of a novel microstructural damage model for wire bonds (2014)
Journal Article
Yang, L., Agyakwa, P., & Johnson, C. (2014). Calibration of a novel microstructural damage model for wire bonds. IEEE Transactions on Device and Materials Reliability, 14(4), 989-994. https://doi.org/10.1109/TDMR.2014.2354739

In a previous paper, a new time-domain damage-based physics model was proposed for the lifetime prediction of wire bond interconnects in power electronic modules. Unlike cycle-dependent life prediction methodologies, this model innovatively incorpora... Read More about Calibration of a novel microstructural damage model for wire bonds.

Thermal and Morphological Properties of Chitosan Filled Epoxy (2014)
Journal Article
Satheesh, B., Tshai, K. Y., & Warrior, N. (2014). Thermal and Morphological Properties of Chitosan Filled Epoxy. Applied Mechanics and Materials, 627, 12-17. doi:10.4028/www.scientific.net/AMM.627.12

This paper investigates the effects of polysaccharide additive agent on the morphological and thermal properties of thermosetting polymer. The weight percentage (wt%) of Diglycidyl Ether of Bisphenol A (DGEBA) epoxy resin to Hexamethylenediamine (HMD... Read More about Thermal and Morphological Properties of Chitosan Filled Epoxy.

Calculating rutting of some thin flexible pavements from repeated load triaxial test data (2014)
Journal Article
Qiao, Y., Dawson, A., Huvstig, A., & Korkiala-Tanttu, L. (2015). Calculating rutting of some thin flexible pavements from repeated load triaxial test data. International Journal of Pavement Engineering, 16(6), https://doi.org/10.1080/10298436.2014.943127

This paper describes parts of a Nordic pavement performance prediction model study (at the project level of the NordFoU project) where a material performance model, developed at VTT research centre in Finland, has been selected as a mean of calculati... Read More about Calculating rutting of some thin flexible pavements from repeated load triaxial test data.

Forest carbon accounting methods and the consequences of forest bioenergy for national greenhouse gas emissions inventories (2014)
Journal Article
McKechnie, J., Colombo, S., & MacLean, H. L. (2014). Forest carbon accounting methods and the consequences of forest bioenergy for national greenhouse gas emissions inventories. Environmental Science and Policy, 44, https://doi.org/10.1016/j.envsci.2014.07.006

While bioenergy plays a key role in strategies for increasing renewable energy deployment, studies assessing greenhouse gas (GHG) emissions from forest bioenergy systems have identified a potential trade-off of the system with forest carbon stocks. O... Read More about Forest carbon accounting methods and the consequences of forest bioenergy for national greenhouse gas emissions inventories.

Reducing porosity in AlSi10Mg parts processed by selective laser melting (2014)
Journal Article
Aboulkhair, N. T., Everitt, N. M., Ashcroft, I., & Tuck, C. (2014). Reducing porosity in AlSi10Mg parts processed by selective laser melting. Additive Manufacturing, 1-4, 77-86. https://doi.org/10.1016/j.addma.2014.08.001

Selective laser melting (SLM) is widely gaining popularity as an alternative manufacturing technique for complex and customized parts. SLM is a near net shape process with minimal post processing machining required dependent upon final application. T... Read More about Reducing porosity in AlSi10Mg parts processed by selective laser melting.

Characteristics of air/water slug flow in an intermediate diameter pipe (2014)
Journal Article
Azzopardi, B. J., Do, H., Azzi, A., & Hernandez Perez, V. (2015). Characteristics of air/water slug flow in an intermediate diameter pipe. Experimental Thermal and Fluid Science, 60, https://doi.org/10.1016/j.expthermflusci.2014.08.004

Experiments have been carried out in a 67 mm diameter pipe with air and deionised water in which gas superficial velocities between 0.04 and 0.55 m/s were studied. A capacitance technique, employing electrodes mounted on either side of the outside of... Read More about Characteristics of air/water slug flow in an intermediate diameter pipe.

Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells (2014)
Journal Article
Sims, L., Hörmann, U., Hanfland, R., MacKenzie, R. C., Kogler, F. R., Steim, R., …Schilinsky, P. (2014). Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells. Organic Electronics, 15(11), 2862-2867. https://doi.org/10.1016/j.orgel.2014.08.010

A common failure mechanism of organic solar cells is the development of an s-shaped current voltage curve. Herein, we investigated the origin of this degradation mechanism by replacing the commonly used hole selective layer poly(3,4-ethylenedioxythio... Read More about Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells.

Study of gas-sheared liquid film in horizontal rectangular duct using high-speed LIF technique: Three-dimensional wavy structure and its relation to liquid entrainment (2014)
Journal Article
Cherdantsev, A. V., Hann, D. B., & Azzopardi, B. J. (2014). Study of gas-sheared liquid film in horizontal rectangular duct using high-speed LIF technique: Three-dimensional wavy structure and its relation to liquid entrainment. International Journal of Multiphase Flow, 67, 52-64. https://doi.org/10.1016/j.ijmultiphaseflow.2014.08.003

© 2014 The Authors. The flow of a liquid film sheared by high velocity gas stream in a horizontal rectangular duct was investigated using a high-speed laser-induced fluorescence technique. Measurements of local film thickness were resolved in both lo... Read More about Study of gas-sheared liquid film in horizontal rectangular duct using high-speed LIF technique: Three-dimensional wavy structure and its relation to liquid entrainment.

Understanding the complex needs of automotive training at final assembly lines (2014)
Journal Article
Hermawati, S., Lawson, G., D'Cruz, M., Arlt, F., Apold, J., Andersson, L., …Malmsköld, L. (2015). Understanding the complex needs of automotive training at final assembly lines. Applied Ergonomics, 46,Pt.A, https://doi.org/10.1016/j.apergo.2014.07.014

Automobile final assembly operators must be highly skilled to succeed in a low automation environment where multiple variants must be assembled in quick succession. This paper presents formal user studies conducted at OPEL and VOLVO Group to identify... Read More about Understanding the complex needs of automotive training at final assembly lines.

Adsorption of dyes with different molecular properties on activated carbons prepared from lignocellulosic wastes by Taguchi method (2014)
Journal Article
Durán-Jiménez, G., Hernández-Montoya, V., Montes-Morán, M. A., Bonilla-Petriciolet, A., & Rangel-Vázquez, N. A. (2014). Adsorption of dyes with different molecular properties on activated carbons prepared from lignocellulosic wastes by Taguchi method. Microporous and Mesoporous Materials, 199, 99-107. https://doi.org/10.1016/j.micromeso.2014.08.013

A design of experiments based in the Taguchi method was used to prepare activated carbons from different lignocellulosic residues with optimum properties for the removal of food and textile dyes (food yellow 4, food yellow 3, food red 17 and acid blu... Read More about Adsorption of dyes with different molecular properties on activated carbons prepared from lignocellulosic wastes by Taguchi method.

Driving forces for the self-assembly of graphene oxide on organic monolayers (2014)
Journal Article
Kirschner, J., JAEGER, C., Wang, Z., Eigler, S., Steinrück, H., Clark, T., …Halik, M. (2014). Driving forces for the self-assembly of graphene oxide on organic monolayers. Nanoscale, 6(19), 11344-11350. https://doi.org/10.1039/c4nr02527j

Graphene oxide (GO) flakes were self-assembled from solution on surfaces of self-assembled monolayers (SAMs), varying in the chemical structure of their head groups. The coverage density of GO relates to strength of attractive interaction, which is l... Read More about Driving forces for the self-assembly of graphene oxide on organic monolayers.

Experimental investigation of direct injection charge cooling in optical GDI engine using tracer-based PLIF technique (2014)
Journal Article
Anbari Attar, M., Reza Herfatmanesh, M., Zhao, H., & Cairns, A. (2014). Experimental investigation of direct injection charge cooling in optical GDI engine using tracer-based PLIF technique. Experimental Thermal and Fluid Science, 59, 96-108. https://doi.org/10.1016/j.expthermflusci.2014.07.020

Investigation of direct injection charge cooling effects is indispensable in design and development of new combustion systems for Gasoline Direct Injection (GDI) engines. The charge cooling can be utilized to increase engine volumetric efficiency or... Read More about Experimental investigation of direct injection charge cooling in optical GDI engine using tracer-based PLIF technique.

Turbulent boundary-layer control with plasma spanwise travelling waves (2014)
Journal Article
Choi, K., & Whalley, R. (2014). Turbulent boundary-layer control with plasma spanwise travelling waves. Experiments in Fluids, 55(8), https://doi.org/10.1007/s00348-014-1796-3

Arrays of dielectric-barrier-discharge plasma actuators have been designed to generate spanwise travelling waves in the turbulent boundary layer for possible skin-friction drag reductions. Particle image velocimetry was used to elucidate the modifica... Read More about Turbulent boundary-layer control with plasma spanwise travelling waves.

Safety in systems-of-systems: ten key challenges (2014)
Journal Article
Harvey, C., & Stanton, N. A. (2014). Safety in systems-of-systems: ten key challenges. Safety Science, 70, 358-366. https://doi.org/10.1016/j.ssci.2014.07.009

A System-of-Systems (SoS) describes a large and distributed network of component subsystems which are themselves complex and autonomous. The goals of a SoS can only be achieved by the interactions of the subsystems and not by any subsystem in isolati... Read More about Safety in systems-of-systems: ten key challenges.

Electrodialytic remediation of polychlorinated biphenyls contaminated soil with iron nanoparticles and two different surfactants (2014)
Journal Article
Gomes, H. I., Dias-Ferreira, C., Ottosen, L. M., & Ribeiro, A. B. (2014). Electrodialytic remediation of polychlorinated biphenyls contaminated soil with iron nanoparticles and two different surfactants. Journal of Colloid and Interface Science, 433, 189-195. https://doi.org/10.1016/j.jcis.2014.07.022

Polychlorinated biphenyls (PCB) are persistent organic pollutants (POP) that strongly adsorb in soils and sediments. There is a need to develop new and cost-effective solutions for the remediation of PCB contaminated soils. The suspended electrodialy... Read More about Electrodialytic remediation of polychlorinated biphenyls contaminated soil with iron nanoparticles and two different surfactants.

Mid-infrared supercontinuum generation to 12.5?m in large NA chalcogenide step-index fibres pumped at 4.5?m (2014)
Journal Article
Kubat, I., Agger, C. S., Møller, U., Seddon, A. B., Tang, Z., Sujecki, S., …Bang, O. (2014). Mid-infrared supercontinuum generation to 12.5μm in large NA chalcogenide step-index fibres pumped at 4.5μm. Optics Express, 22(16), 19169-19182. https://doi.org/10.1364/oe.22.019169

We present numerical modeling of mid-infrared (MIR) supercontinuum generation (SCG) in dispersion-optimized chalcogenide (CHALC) step-index fibres (SIFs) with exceptionally high numerical aperture (NA) around one, pumped with mode-locked praseodymium... Read More about Mid-infrared supercontinuum generation to 12.5?m in large NA chalcogenide step-index fibres pumped at 4.5?m.

Tool Wear Identification in Turning Titanium Alloy Based on SVM (2014)
Journal Article
Liao, Z. R., Li, S. M., Lu, Y., & Gao, D. (2014). Tool Wear Identification in Turning Titanium Alloy Based on SVM. Materials Science Forum, 800-801, 446-450. https://doi.org/10.4028/www.scientific.net/MSF.800-801.446

Titanium alloy is difficult cutting materials, the samples of toolwear features are hard to acquire because of short tool life. In terms of the characteristic, Support Vector Machine (SVM) is proposed in this paper to monitor tool condition, the ener... Read More about Tool Wear Identification in Turning Titanium Alloy Based on SVM.