3D CFD-DEM simulation and experiment on proppant particle-fluid flow in a vertical, nonplanar fracture with bends

H Qu, Y Liu, H Lin, S Tang, R Wang, L Xue… - International Journal of …, 2022 - Elsevier
Particle-fluid flow in complex fractures plays a crucial role in the stimulation of
unconventional reservoirs. In this paper, particle transport experiments were conducted in a …

[HTML][HTML] Particle-resolved direct numerical simulation of the oscillatory flow and sediment motion over a rippled bed

M Mazzuoli, P Blondeaux, G Vittori - International Journal of Multiphase …, 2024 - Elsevier
The flow field and the sediment motion generated over a rippled bed by a uniform and
oscillating pressure gradient are evaluated by means of a direct numerical simulation of …

Fluid‐driven transport of round sediment particles: From discrete simulations to continuum modeling

Q Zhang, E Deal, JT Perron, JG Venditti… - Journal of …, 2022 - Wiley Online Library
Bedload sediment transport is ubiquitous in shaping natural and engineered landscapes,
but the variability in the relation between sediment flux and driving factors is not well …

The dynamics of sliding, rolling and saltating sediments in oscillatory flows

M Mazzuoli, G Vittori, P Blondeaux - European Journal of Mechanics-B …, 2022 - Elsevier
The dynamics of sediment grains picked-up from the seabed and dragged by the oscillatory
flow induced by wind waves close to the bottom is investigated for moderate values of the …

[HTML][HTML] A moment-based depth-averaged K-ε model for predicting the true turbulence intensity over bedforms

M Elgamal - Water, 2022 - mdpi.com
Turbulence models are critical for depth-averaged flow models in at least two ways:(i) as
closures for momentum equations and (ii) as indicators of the spatial variability in the …

Reynolds number dependence of turbulent flows over a highly permeable wall

Y Kuwata, K Suga - Journal of Fluid Mechanics, 2024 - cambridge.org
Direct numerical simulations of turbulent flows over highly permeable porous walls were
performed at various Reynolds numbers to examine the effects of the Reynolds number on …

Open-channel flow over evolving subaqueous ripples

AG Kidanemariam, M Scherer… - Journal of Fluid …, 2022 - cambridge.org
We have numerically investigated the turbulent flow and sediment grain motion in an open-
channel flow configuration over a subaqueous sediment bed featuring two-dimensional …

[HTML][HTML] Does the number of publications matter for academic promotion in higher education? Evidence from Lebanon

P Boutros, A Fakih, S Kassab, Z Lizzaik - Social Sciences, 2022 - mdpi.com
This paper uses unique data from Lebanon to explore the factors affecting promotion in
academia. We use the Ordered Probit model to answer the research question empirically …

Force and torque model sensitivity and coarse graining for bedload-dominated sediment transport

L Guan, J Salinas, N Zgheib, S Balachandar - European Journal of …, 2021 - Elsevier
We present results from Euler–Lagrange simulations of turbulent flow over an erodible
monodisperse bed of particles at a shear Reynolds number of R e τ= 180. The Galileo …

Gender inequity in engineering higher education: A case study of an american university in a middle eastern country

M Al-Abbas, SS Saab - 2022 10th International Conference on …, 2022 - ieeexplore.ieee.org
Research has shown that gender inclusive collaborations have higher quality of science.
Therefore, to promote increased gender equity and collaboration across the genders proper …