All Outputs (389)

Understanding the Highly Dynamic Phenomena in Ultrasonic Melt Processing by Ultrafast Synchrotron X-ray Imaging (2019)
Book Chapter
Mi, J., Eskin, D., Connolley, T., & Fezzaa, K. (2019). Understanding the Highly Dynamic Phenomena in Ultrasonic Melt Processing by Ultrafast Synchrotron X-ray Imaging. In C. Chesonis (Ed.), Light Metals 2019 (1539-1544). Springer. https://doi.org/10.1007/978-3-030-05864-7_194

In this paper, we present some highlighted findings from our recent research on real-time and in situ studies of the fundamentals of ultrasonic melt processing, including (1) ultrasonic bubble implosion, oscillation in liquid and semi-liquid (semi-so... Read More about Understanding the Highly Dynamic Phenomena in Ultrasonic Melt Processing by Ultrafast Synchrotron X-ray Imaging.

Synchrotron X-ray real-time studies of the nucleation and growth of intermetallic phases in solidification (2019)
Book Chapter
Mi, J. (2019). Synchrotron X-ray real-time studies of the nucleation and growth of intermetallic phases in solidification. In M. Tiryakioğlu, W. Griffiths, & M. Jolly (Eds.), Shape Casting : 7th International Symposium Celebrating Prof. John Campbell's 80th Birthday (65-71). Springer. https://doi.org/10.1007/978-3-030-06034-3_6

In this paper, real-time, direct observation of the nucleation of primary Al 2 Cu phases on entrained oxide films during the solidification of an Al-35%Cu alloy, and the change of growth mode from planner to dendritic type structure of Al 3 Ni phases... Read More about Synchrotron X-ray real-time studies of the nucleation and growth of intermetallic phases in solidification.

The effect of beat interval on ventricular repolarisation in atrial fibrillation (2019)
Presentation / Conference Contribution
Al-Karadi, M. S., Wilkinson, A. J., & Langley, P. (2018, September). The effect of beat interval on ventricular repolarisation in atrial fibrillation. Presented at 2018 Computing in Cardiology Conference (CinC), Maastricht, The Netherlands

© 2018 Creative Commons Attribution. Atrial fibrillation (AF) is characterised by rapid beat interval changes. The aim of the study was to investigate the effect of such changes on ECG ventricular repolarisation characteristics. In 10 AF recordings b... Read More about The effect of beat interval on ventricular repolarisation in atrial fibrillation.

Solidification Processing of Metallic Alloys Under External Fields (2018)
Book
Eskin, D. G., & Mi, J. (Eds.). (2018). Solidification Processing of Metallic Alloys Under External Fields. Cham: Springer. https://doi.org/10.1007/978-3-319-94842-3

Modelling noise annoyance responses to combined sound sources and views of sea, road traffic, and mountain greenery (2018)
Journal Article
Chau, C. K., Leung, T. M., Xu, J. M., & Tang, S. K. (2018). Modelling noise annoyance responses to combined sound sources and views of sea, road traffic, and mountain greenery. The Journal of the Acoustical Society of America, 144(6), 3503-3513. https://doi.org/10.1121/1.5083833

This paper studies the effect of human perception of visual and audio settings in an urban environment on annoyance. Video clips were projected onto a window panel of a living room to simulate neighborhood views containing different percentages of se... Read More about Modelling noise annoyance responses to combined sound sources and views of sea, road traffic, and mountain greenery.

Fundamental studies of ultrasonic melt processing (2018)
Journal Article
Eskin, D. G., Tzanakis, I., Wang, F., Lebon, G. S., Subroto, T., Pericleous, K., & Mi, J. (2019). Fundamental studies of ultrasonic melt processing. Ultrasonics Sonochemistry, 52, 455-467. https://doi.org/10.1016/j.ultsonch.2018.12.028

Ultrasonic (cavitation) melt processing attracts considerable interest from both academic and industrial communities as a promising route to provide clean, environment friendly and energy efficient solutions for some of the core issues of the metal c... Read More about Fundamental studies of ultrasonic melt processing.

Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning (2018)
Journal Article
Jin, S., Patton, R. J., & Guo, B. (2019). Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning. Energy, 169, 819-832. https://doi.org/10.1016/j.energy.2018.12.074

In this work a three dimensional computational fluid dynamic (CFD) model has been constructed based on a 1/50 scale heaving point absorber wave energy converter (PAWEC). The CFD model is validated first via wave tank tests and then is applied in this... Read More about Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning.

The mechanical loading and muscle activation of four common exercises used in osteoporosis prevention for early postmenopausal women (2018)
Journal Article
Montgomery, G., Abt, G., Dobson, C., Smith, T., Evans, W., & Ditroilo, M. (2019). The mechanical loading and muscle activation of four common exercises used in osteoporosis prevention for early postmenopausal women. Journal of Electromyography and Kinesiology, 44, 124-131. https://doi.org/10.1016/j.jelekin.2018.12.004

High impact exercise can reduce postmenopausal bone loss, however stimulus frequency (loading cycles per second) can affect osteogenesis. We aimed to examine the effect of stimulus frequency on the mechanical loading of four common osteoporosis preve... Read More about The mechanical loading and muscle activation of four common exercises used in osteoporosis prevention for early postmenopausal women.

In situ high speed imaging study and modelling of the fatigue fragmentation of dendritic structures in ultrasonic fields (2018)
Journal Article
Wang, S., Kang, J., Guo, Z., Lee, T. L., Zhang, X., Wang, Q., Deng, C., & Mi, J. (2019). In situ high speed imaging study and modelling of the fatigue fragmentation of dendritic structures in ultrasonic fields. Acta Materialia, 165, 388-397. https://doi.org/10.1016/j.actamat.2018.11.053

The fatigue fragmentation of dendritic structures of a SCN-5wt.% Camphor transparent alloy in an ultrasound field was investigated systematically using high-speed imaging. Dynamic interactions between oscillating ultrasonic bubbles and the primary an... Read More about In situ high speed imaging study and modelling of the fatigue fragmentation of dendritic structures in ultrasonic fields.

On low frequency sound propagation across closely coupled narrow cavities along an infinite duct and the similarity in stopband cut-on frequencies (2018)
Journal Article
Tang, Y., & Tang, S. K. (2019). On low frequency sound propagation across closely coupled narrow cavities along an infinite duct and the similarity in stopband cut-on frequencies. Journal of Sound and Vibration, 443, 411-429. https://doi.org/10.1016/j.jsv.2018.11.049

The propagation of sound across closely coupled narrow rectangular cavities in an infinitely long duct is studied numerically using finite-element simulation and the method of mode matching in the present investigation. Sound frequencies below the fi... Read More about On low frequency sound propagation across closely coupled narrow cavities along an infinite duct and the similarity in stopband cut-on frequencies.

An assessment of the role of the falx cerebri and tentorium cerebelli in the cranium of the cat (Felis silvestris catus) (2018)
Journal Article
Sellés de Lucas, V., Dutel, H., Evans, S. E., Gröning, F., Sharp, A. C., Watson, P. J., & Fagan, M. J. (2018). An assessment of the role of the falx cerebri and tentorium cerebelli in the cranium of the cat (Felis silvestris catus). Interface, 15(147), Article 20180278. https://doi.org/10.1098/rsif.2018.0278

© 2018 The Author(s). The falx cerebri and the tentorium cerebelli are two projections of the dura mater in the cranial cavity which ossify to varying degrees in some mammalian species. The idea that the ossification of these structures may be necess... Read More about An assessment of the role of the falx cerebri and tentorium cerebelli in the cranium of the cat (Felis silvestris catus).

Pulse External Fields Processing of Metal Alloys (2018)
Book Chapter
Mi, J. (2018). Pulse External Fields Processing of Metal Alloys. In D. G. Eskin, & J. Mi (Eds.), Solidification Processing of Metallic Alloys Under External Fields (243-275). Springer. https://doi.org/10.1007/978-3-319-94842-3_7

© 2018, Springer Nature Switzerland AG. Research and applications of electromagnetic processing of materials began in the 1930s. In those early days, electromagnetic induction was the main technique and it was used for heating or melting metal alloys... Read More about Pulse External Fields Processing of Metal Alloys.

In Situ Studies of the Solidification Dynamics of Metal Alloys (2018)
Book Chapter
Mi, J. (2018). In Situ Studies of the Solidification Dynamics of Metal Alloys. In D. G. Eskin, & J. Mi (Eds.), Solidification Processing of Metallic Alloys Under External Fields (19-74). Springer. https://doi.org/10.1007/978-3-319-94842-3_2

© 2018, Springer Nature Switzerland AG. Since the 1990s, tens of 3rd generation synchrotron X-ray facilities have been built around the world and made available for research in almost all scientific disciplines. The high brilliance, high coherence an... Read More about In Situ Studies of the Solidification Dynamics of Metal Alloys.

CO2 capture using mesocellular siliceous foam (MCF)-supported CaO (2018)
Journal Article
Gao, F., Huang, J., Sun, H., Hu, J., Wang, M., Mi, J., & Wu, C. (2019). CO2 capture using mesocellular siliceous foam (MCF)-supported CaO. Journal of the Energy Institute, 92(5), 1591-1598. https://doi.org/10.1016/j.joei.2018.07.015

CaO is a promising material as an alternative CO2 capture material which can be used at high temperature. However, CaO sinters to form large particles under long-term high temperature conditions, resulting in a rapid decrease of its surface area and... Read More about CO2 capture using mesocellular siliceous foam (MCF)-supported CaO.

Towards “green” viscoelastically prestressed composites: Cellulose fibre reinforcement (2018)
Journal Article
Qin, Y., & Fancey, K. S. (2018). Towards “green” viscoelastically prestressed composites: Cellulose fibre reinforcement. Composites. Part B, Engineering, 154, 439-448. https://doi.org/10.1016/j.compositesb.2018.08.096

With growing concerns over environmental issues, fibre reinforced composites based on renewable, biodegradable low-cost cellulosic/cellulose fibres increasingly attract interest. This paper reports on the first study to produce viscoelastically prest... Read More about Towards “green” viscoelastically prestressed composites: Cellulose fibre reinforcement.

Validation of an algorithm to reveal the U wave in atrial fibrillation (2018)
Journal Article
Al-Karadi, M. S., Wilkinson, A. J., Caldwell, J., & Langley, P. (2018). Validation of an algorithm to reveal the U wave in atrial fibrillation. Scientific reports, 8(1), Article 11946. https://doi.org/10.1038/s41598-018-30493-8

Major cardiac organisations recommend U wave abnormalities should be reported during ECG interpretation. However, U waves cannot be measured in patients with atrial fibrillation (AF) due to the obscuring fibrillatory wave. The aim was to validate a U... Read More about Validation of an algorithm to reveal the U wave in atrial fibrillation.

Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals (2018)
Journal Article
Tarn, M. D., Kızılyer, N. Y., Esfahani, M. M. N., Joshi, P., Brown, N. J., Pamme, N., Jenkins, D. G., & Archibald, S. J. (2018). Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals. Chemistry: a European journal, 24(52), 13749-13753. https://doi.org/10.1002/chem.201802395

A miniaturized radio-HPLC detector has been developed comprising a microfluidic device fabricated from plastic scintillator in combination with a silicon photomultiplier light sensor, and tested with samples containing a positron-emitting radionuclid... Read More about Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals.

Precise measurements of torque in von Karman swirling flow driven by a bladed disk (2018)
Journal Article
Mukherjee, A., Lukaschuk, S., Burnishev, Y., Falkovich, G., & Steinberg, V. (2018). Precise measurements of torque in von Karman swirling flow driven by a bladed disk. Journal of Turbulence, 19(8), 647-663. https://doi.org/10.1080/14685248.2018.1494833

© 2018 Informa UK Limited, trading as Taylor & Francis Group Scrupulous measurements and detailed data analysis of the torque in a swirling turbulent flow driven by counter-rotating bladed disks reveal an apparent breaking of the law of similarity.... Read More about Precise measurements of torque in von Karman swirling flow driven by a bladed disk.

Relationships between walking speed, T-score and age with gait parameters in older post-menopausal women with low bone mineral density (2018)
Journal Article
Dostanpor, A., Dobson, C. A., & Vanicek, N. (2018). Relationships between walking speed, T-score and age with gait parameters in older post-menopausal women with low bone mineral density. Gait and Posture, 64, 230-237. https://doi.org/10.1016/j.gaitpost.2018.05.005

Background: The gait patterns of women with low bone mineral density (BMD) or osteoporosis have not been thoroughly explored, and when examined, often studied in relation to falls and kyphosis. Research question: The aim of this study was to investig... Read More about Relationships between walking speed, T-score and age with gait parameters in older post-menopausal women with low bone mineral density.

Viscosity effect on a point absorber wave energy converter hydrodynamics validated by simulation and experiment (2018)
Journal Article
Siya, J., Patton, R. J., & Guo, B. (2018). Viscosity effect on a point absorber wave energy converter hydrodynamics validated by simulation and experiment. Renewable energy, 129(A), 500-512. https://doi.org/10.1016/j.renene.2018.06.006

To achieve optimal power in a wave energy conversion (WEC) system it is necessary to understand the device hydrodynamics. To maximize conversion efficiency the goal is to tune the WEC performance into resonance. The main challenge then to be overcome... Read More about Viscosity effect on a point absorber wave energy converter hydrodynamics validated by simulation and experiment.