Search Results - "Verrelli, David I."

Haemodynamic effects of stent diameter and compaction ratio on flow-diversion treatment of intracranial aneurysms: A numerical study of a successful and an unsuccessful case by Zhang, Mingzi, Li, Yujie, Zhao, Xi, Verrelli, David I, Chong, Winston, Ohta, Makoto, Qian, Yi

“…Abstract Background: Compacting a flow-diverting (FD) stent is an emerging technique to create a denser configuration of wires across the aneurysm ostium…”
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Particle shape effects in flotation. Part 1: Microscale experimental observations by Verrelli, David I., Bruckard, Warren J., Koh, Peter T.L., Schwarz, M. Philip, Follink, Bart

“…•Review of literature for effect of particle shape and roughness on flotation.•Hypothesis that particle shape will affect time for bubble–particle…”
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Normal Stress Differences and Yield Stresses in Attractive Particle Networks by Verrelli, David I., Kilcullen, Adam R.

“…The nature of attractive particulate networks, yield stresses, and normal stress differences is systematically reviewed, each in terms of the relevant…”
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A pilot validation of CFD model results against PIV observations of haemodynamics in intracranial aneurysms treated with flow-diverting stents by Li, Yujie, Verrelli, David I., Yang, William, Qian, Yi, Chong, Winston

“…Flow-diverting (FD) stents are one of three common modes of treating intracranial aneurysms, yet knowledge of their effect on haemodynamics is incomplete. We…”
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Numerical simulation of aneurysmal haemodynamics with calibrated porous-medium models of flow-diverting stents by Li, Yujie, Zhang, Mingzi, Verrelli, David I., Chong, Winston, Ohta, Makoto, Qian, Yi

“…Modelling flow-diverting (FD) stents as porous media (PM) markedly improves the efficiency of computational fluid dynamics (CFD) simulations in the study of…”
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A comparison of methods for measuring the induction time for bubble–particle attachment by Verrelli, David I., Albijanic, Boris

“…[Display omitted] •Critical review of techniques for measuring the induction period for attachment.•Comparison of induction time estimates using different…”
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Particle–bubble interaction and attachment in flotation by Verrelli, David I., Koh, Peter T.L., Nguyen, Anh V.

“…Flotation is an important unit operation in the minerals industry, among others. Current state-of-the-art flotation modelling combines computational fluid…”
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Convenient formulæ for the drag on a prolate ellipsoid moving along its axis of symmetry perpendicular to a plane surface by Verrelli, David I.

“…[Display omitted] •Precise evaluation of drag factor for ellipsoids far from and near to boundary.•Derivation of exact formulæ for drag force as function of…”
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CTA-Based Non-invasive Estimation of Pressure Gradients Across a CoA: a Validation Against Cardiac Catheterisation by Zhang, Mingzi, Liu, Jinlong, Zhang, Haibo, Verrelli, David I., Wang, Qian, Hu, Liwei, Li, Yujie, Ohta, Makoto, Liu, Jinfen, Zhao, Xi

“…Non-invasive estimation of pressure gradients across a coarctation of the aorta (CoA) can reduce the need for diagnostic cardiac catheterisation. We aimed to…”
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Incomplete stent expansion in flow‐diversion treatment affects aneurysmal haemodynamics: a quantitative comparison of treatments affected by different severities of malapposition occurring in different segments of the parent artery by Zhang, Mingzi, Li, Yujie, Sugiyama, Shin‐ichiro, Verrelli, David I., Matsumoto, Yasushi, Tominaga, Teiji, Qian, Yi, Tupin, Simon, Anzai, Hitomi, Ohta, Makoto

“…Incomplete stent expansion (IncSE) is occasionally seen in flow‐diversion (FD) treatment of intracranial aneurysms; however, its haemodynamic consequences…”
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Measurement of tremor transmission during microsurgery by Verrelli, David I., Qian, Yi, Wood, James, Wilson, Michael K.

“…Background Tremor is a major impediment to performing fine motor tasks, as in microsurgery. However, conventional measurements do not involve tasks…”
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Effect of coagulation conditions on the dewatering properties of sludges produced in drinking water treatment by Verrelli, David I., Dixon, David R., Scales, Peter J.

“…The coagulation and flocculation processes in conventional drinking water treatment generate aggregates which settle to form a sludge waste. This sludge can be…”
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Variations in the induction period for particle–bubble attachment by Verrelli, David I., Koh, Peter T.L., Bruckard, Warren J., Schwarz, M. Philip

“…[Display omitted] ► Direct observation of jump-in event, to quantify sliding duration before attachment. ► Experimental support for dependence of induction…”
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Intraoperative tremor in surgeons and trainees by Verrelli, David I., Qian, Yi, Wilson, Michael K., Wood, James, Savage, Craig

“…OBJECTIVES Tremor may be expected to interfere with the performance of fine motor tasks such as surgery. While tremor is readily quantified in inactive…”
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Assessing dewatering performance of drinking water treatment sludges by Verrelli, David I., Dixon, David R., Scales, Peter J.

“…A comparison of the dewaterability of a range of water treatment plant sludges has been completed through computation of dewatering performance indicators for…”
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Applying computer simulation to the design of flow-diversion treatment for intracranial aneurysms by Mingzi Zhang, Yujie Li, Verrelli, David I., Chong, Winston, Ohta, Makoto, Yi Qian

“…Although flow-diversion (FD) treatment has been proven to be able to induce intracranial aneurysm (IA) occlusion, clinical follow-ups reported that a number of…”
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Sensitivity study on modelling a flow-diverting stent as a porous medium using computational fluid dynamics by Yujie Li, Mingzi Zhang, Verrelli, David I., Yang, William, Chong, Winston, Ohta, Makoto, Yi Qian

“…The flow-diverting (FD) stent has become a commonly used endovascular device to treat cerebral aneurysms. This discourages blood from entering the aneurysm,…”
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Sequential multi-scale modelling of mineral processing operations, with application to flotation cells by Schwarz, M. Philip, Koh, Peter T.L., Verrelli, David I., Feng, Yuqing

“…•We describe a sequential multi-scale modelling method for processing operations.•We detail the application of this method to the mineral flotation…”
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