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Viscosity ratio effects on fluid displacement pattern and recovery efficiency on porous media
The injection of a fluid to displace another fluid is a very common process used to enhance the recovery factor in oil reservoirs. In circumstances...
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Variable Valve Timing and Valve Lift
The fuel economy of a conventional spark-ignited gasoline engine falls short of that of a direct injection diesel engine at part loads mainly due to...
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Linear variations in conductivity and viscosity as particles’ basic profile for convective instability in nanofluids under various boundary conditions
The present study investigates thermal sensitivity of a horizontal nanofluid layer which is subjected to conductivity and viscosity variations as...
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Artificial viscosity—then and now
In this paper, we recount the history of artificial viscosity, beginning with its origin in previously unpublished and unavailable documents,...
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Wear protection assessment of ultralow viscosity lubricants in high-power-density engines: A novel wear prediction algorithm
Durability and reliability have been studied for decades through intensive trial-error experimentation. However, there are numerous fields of...
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Flow Characteristics of Fresh Cemented Paste Backfill Containing Flocculant under Variable Shear Rate Based on Water Migration
The flocculant used in tailing thickening and shearing action in fresh cemented paste backfill (CPB) pipeline transportation will affect the...
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Drag coefficient on particle agglomerates: a CFD study with experimental validation
The formation of irregularly shaped particle agglomerates is a recurring phenomenon observed in equipment with particle-laden flows, which directly...
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Friction Models for a Sustainable Design: Friction Coefficient in Lubricated Conformal Pairs
Tribological aspects must be taken into account for a sustainable design of new components and materials developed to obtain weight reduction and...
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Integrated Design of Variable Geometry Chin Inlet with Waverider Forebody
Conventional compression profile of a chin inlet has an inevitable 3D effect, particularly under the condition of large angle of attack. This...
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Prediction of Dynamic Viscosity of Biodiesel Using Various Artificial Neural Network Methods, Response Surface Methodology, and Multiple Linear Regressions
In this paper, five machine learning models (feedforward neural network, Radial basis function neural network, Layer Recurrent Neural Network, Elman...
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Two-stage column–hemispherical penetration diffusion model considering porosity tortuosity and time-dependent viscosity behavior
The diffusion of chemical grouts in porous media is important for soil reinforcement and stabilization. Slurry diffusion radius and pressure change...
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Combined effect of magneto hydrodynamics, couple stress, and viscosity variation on squeeze film characteristics of a cylinder and rough flat plate
The present research theoretically analyzes the impact of magnetohydrodynamics (MHD) and viscosity variation on couple stress squeeze film properties...
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A link between a variable-order fractional Zener model and non-Newtonian time-varying viscosity for viscoelastic material: relaxation time
In this work, by constructing the equivalent viscoelasticity between a fractional Zener model and a time-varying viscosity Zener model, we obtain the...
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The Impact of Some Factors of Thermal Protection Material Degradation on the Discharge Coefficient of the Recessed Nozzle
AbstractComputational fluid dynamics was employed to study the effect of temperature and composition of injected thermal protection degradation...
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On the Continuous Adjoint of Prominent Explicit Local Eddy Viscosity-based Large Eddy Simulation Approaches for Incompressible Flows
The manuscript deals with continuous adjoint companions of prominent explicit Large Eddy Simulation (LES) methods grounding on the eddy viscosity...
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Prediction of the viscosity of solid–liquid mixtures using a virtual viscometer based on computational fluid dynamics
We developed a 3D rotational viscometer model based on the finite volume method and analyzed the effects of the shear rate, glass bead solid...
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A Novel Calculation Model for the Permeability Coefficient of Soils Conditioned with Foam and Bentonite Slurry
Both foam and bentonite slurry are commonly employed in soil conditioning to prevent water spewing during earth pressure balance (EPB) shield...
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Effects of Reynolds number and Schmidt number on variable density mixing in shock bubble interaction
Effects of Reynolds ( Re ) number and Schmidt ( Sc ) number on the flow structures and variable density mixing are numerically investigated through the...
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Dynamics of Vapor Bubble in a Variable Pressure Field
This paper presents analytical and numerical results of vapor bubble dynamics and acoustics in a variable pressure field. First, a classical model...
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Prediction of the Dynamic Viscosity of MXene/palm Oil Nanofluid Using Support Vector Regression
Dyanamic viscosity values of Mxene/palm oil nanofluid as availed from the experiments at varying temperatures and concentrations are used to create a...