Bifunctionality of Re Supported on TiO₂ in Driving Methanol Formation in Low-Temperature CO₂ Hydrogenation

Low temperature and high pressure are thermodynamically more favorable conditions to achieve high conversion and high methanol selectivity in CO₂ hydrogenation. However, low-temperature activity is generally very poor due to the sluggish kinetics, and thus, designing highly selective catalysts active below 200 °C is a great...

Water enabled self-healing polymeric coating with reduced graphene oxide-reinforcement for sensors

Intrinsic self-healing materials have received significant attention due to the characteristic recovery after damage properties through reversible dynamic covalent and non-covalent interactions. Furthermore, functional recovery with reliable mechanical properties are highly keen as protective coatings, specifically for devices and sensors...

Onset of reversal and chaos thermally driven cavity flow

We investigate the onset of chaotic reversals of thermal convection cell in a two–dimensional square cavity using direct numerical simulation. To our knowledge, the chaotic reversal motion at the lowest Rayleigh number is related to the unicellular motion in this system. As Rayleigh number increases, the two antisymmetric attractors, which arise...

Detailed simulation of morphodynamics: 3. Ripples and dunes

We present a 3-D physics-based high-resolution modeling approach to the dynamics of underwater ripples and dunes. The flow is modeled by large eddy simulation on a Cartesian grid with local refinements. The sediment transport is modeled by computing pickup, transport over the bed, transport in the water column, and deposition of rigid spherical...

Detailed simulation of morphodynamics: 2. Sediment pickup, transport, and deposition

The paper describes a numerical model for simulating sediment transport with eddy-resolving 3-D models. This sediment model consists of four submodels: pickup, transport over the bed, transport in the water column and deposition, all based on a turbulent flow model using large-eddy simulation. The sediment is considered as uniform rigid...

Correlation between Reynolds number and stenosis morphology in eccentric and concentric artery models

Atherosclerotic plaques within coronary arteries result in coronary stenosis which compromises blood flow to the distal myocardium and result in local physiological perturbances such as recirculation and shear stress [1]. Coronary lesion severity is often graded by the amount of lumen encroachment or stenosis it causes, and most clinical...

Comparison of flow patterns around stenotic area in elastic PVA-H model and in rigid-like silicone model

Detailed simulation of morphodynamics: 1. Hydrodynamic model

We present a three-dimensional high-resolution hydrodynamic model for unsteady incompressible flow over an evolving bed topography. This is achieved by using a multilevel Cartesian grid technique that allows the grid to be refined in high-gradient regions and in the vicinity of the river bed. The grid can be locally refined and adapted to the...

An experimental study on flooding into the car deck of a Ro-Ro ferry through damaged bow door

Parity violation in neutron resonances in 115In

Search for parity violation in 93Nb neutron resonances

Parity violation in neutron resonances in 107,109Ag

Parity nonconservation in neutron capture on 113Cd

Preliminary Report on a Marine Accident Involving the Yachts ""Marine Marine"" and ""Taka"". Japan-Guam Yacht Race '92