School of Engineering and Materials Science
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Transition from oil & gas drilling fluids to geothermal drilling fluids
(Elsevier, 2024-02-01)The harsh downhole conditions encountered in geothermal wells, specifically the high temperatures (HT) together with the toughness of the rock found in many geothermal formations, makes the drilling operation challenging. ... -
Neural network potential-based molecular investigation of pollutant formation of ammonia and ammonia-hydrogen combustion
(Elsevier BV, 2024-04)This study developed neural network potentials (NNPs) specifically designed for ammonia and ammonia-hydrogen combustion systems for the first time. The NNPs were employed to perform reactive molecular dynamics (RMD) ... -
Spatial Characterization of Wetting in Porous Media Using Local Lattice-Boltzmann Simulations
(Springer Nature, 2024-02-01)Wettability is one of the critical parameters affecting multiphase flow in porous media. The wettability is determined by the affinity of fluids to the rock surface, which varies due to factors such as mineral heterogeneity, ... -
Evaluation of Asphaltene Hildebrand and Hansen Solubility Parameters Using Digital Oil Models with Molecular Dynamics Simulation
(American Chemical Society, 2023)The solubility parameter characterizes solubility in terms of simple numbers representing cohesive energy contribution within the molecular system and thus is considered a powerful approach for understanding highly complex ... -
Breaking the symmetry of a wavy channel alters the route to chaotic flow
(American Physical Society, 2024-04-01)We numerically explore the two-dimensional, incompressible, isothermal flow through a wavy channel, with a focus on how the channel geometry affects the routes to chaos at Reynolds numbers between 150 and 1000. We find ... -
Introduction to Advances in Sustainable Hydrogen Energy.
(Royal Society of Chemistry, 2024-03-14)Nader Karimi, Larry K. B. Li, Manosh C. Paul, Mohammad Hossein Doranehgard and Freshteh Sotoudeh introduce the RSC Advances themed issue on Advances in Sustainable Hydrogen Energy. -
Versatile and recyclable double-network PVA/cellulose hydrogels for strain sensors and triboelectric nanogenerators under harsh conditions
(Elsevier, 2024-06-15)Versatile and recyclable conductive hydrogels with long-term environmental adaptability and mechanical stability have attracted tremendous attention in wearable smart electronics. Here, double-network (DN) polyvinyl alcohol ... -
A simple ghost fluid method for compressible multicomponent flows with capillary effects
(Elsevier, 2021-01-01)A novel way of implementing surface tension effects in sharp-interface compressible flow models is proposed, aiming to address problems where liquid compressibility and capillarity are both important. The method is built ... -
Recirculation regions in wakes with base bleed
(American Physical Society, 2021-03-01)The appearance of detached recirculation regions in wakes with base bleed determines the aerodynamic properties of many natural organisms and technological applications. In this work we introduce an analytical model which ... -
Analytical all-induction state model for wind turbine wakes
(American Physical Society, 2022-03-01)Analytical wind turbine wake models are an integral component of wind farm design and optimization. However, when the turbine induction factor increases, these models are prone to failure, as they do not account for the ... -
Numerical and experimental investigation into the dynamics of a bubble-free-surface system
(American Physical Society, 2021-01-01)The aim of the present work is to study the interaction between an oscillating bubble and a free surface. We perform a series of experiments and numerical simulations and attempt to characterize both early and late stages ... -
An analytical blockage correction model for high-solidity turbines
(Cambridge University Press, 2022-10-10)A significant challenge in the experimental or computational characterisation of porous bodies and wind turbines is the correction of the obtained flow quantities for wall interference effects. Conventional corrective ... -
A sharp-interface model for grid-resolved cavitating flows
(Elsevier, 2022-04-01)A sharp-interface model for cavitating flows is presented in this work. The proposed model can deal with the dynamic evolution of cavitation, and considers both phase change and pre-existing gas expansion mechanisms. The ... -
Numerical modelling of acoustic wave propagation through a bubble column
(2023-01-01)Understanding the propagation of an acoustic wave through a region of bubbles has a number of applications in underwater acoustics including the analysis of bubble screen performance. Used to reduce the impact of high ... -
Data-driven optimisation of wind farm layout and wake steering with large-eddy simulations
(2024-04-12)Maximising the power production of large wind farms is key to the transition towards net zero. The overarching goal of this paper is to propose a computational method to maximise the power production of wind farms with two ... -
Editorial: Tribute Issue in Honor of Prof. Alan G. Thomas
(Rubber Division, ACS, 2023-10-01) -
Data-driven prediction of laminar burning velocity for ternary ammonia/hydrogen/methane/air premixed flames
(Elsevier, 2024-07)Zero-carbon fuels such as hydrogen and ammonia play a pivotal role in the energy transition by offering cleaner alternatives to natural gas (methane), especially in industrial combustion systems. Binary and ternary blends ... -
Effects of Leading-Edge Blowing Control and Reduced Frequency on Aerofoil Aerodynamic Performances
(ASME International, 2024-04-11)Aerofoil leading-edge fluid-blowing control is computationally studied to improve aerodynamic efficiency. The fluid injection momentum coefficient Cu (the ratio of injection to incoming square velocities times the slot's ... -
Bismuth-Based Perovskite Derivates with Thermal Voltage Exceeding 40 mV/K
(American Chemical Society (ACS), 2024)Heat is an inexhaustible source of energy, and it can be exploited by thermoelectronics to produce electrical power or electrical responses. The search for a low-cost thermoelectric material that could achieve high ... -
Quantifying the Hydrophobic Effect per CF2 Moiety from Adsorption of Fluorinated Alcohols at the Water/Oil Interface
(MDPI, 2024)Amphiphilic fluorocarbon substances are a trending topic of research due to their wide range of applications accompanied by an alarming environmental and health impact. In order to predict their fate in the environment, ...