The experimental dependence of the kinematic viscosity oil-water emulsions on temperature was examined. Oil-water with a high water content (up to 60%) were prepared by long-term mechanical stirring in cylindrical vessel using screw metal brushes. Stokes method used determine viscosity. Emulsions are opaque liquids. Therefore, movement ball's time between upper and lower layers liquid determine...

Due to the ever-increasing consumption of fossil fuels, their impact on environment, and volatility market, it is advisable use biofuels that can be produced locally from renewable sources, which supports local economy, agriculture, related processing industries. This article deals with how improve flow properties pour point for diesel engines. For experiment, biodiesels in form rapeseed methyl...

The quality of lubricant oil plays a central role in the performance machineries. Aggressive working environment industry, particularly mining remains dominant point faster rate degradation. colossal consumption is factor to an inflated maintenance cost which can be averted by optimizing using scientific and methodical approaches. At present schedule drain-off interval accomplished at regular o...

The wastewater generated in the potash mines of Bages region Catalonia (Spain) was experimentally tested at Paterson & Cooke slurry test facility Cape Town, South Africa, to determine flow behavior and limit deposition velocity various brine brine-slurry mixtures containing a low solids concentration fine insoluble particles. tests measured velocity, viscosity, resistance range different concen...

Abstract This article analyses two schemes: Mann-type and viscosity-type proximal point algorithms. Using these schemes, we establish Δ-convergence strong convergence theorems for finding a common solution of monotone vector field inclusion problems, minimization problem, fixed multivalued demicontractive mappings in Hadamard spaces. We apply our results to find mean median values probabilities...

This work focuses on the numerical solution of the Stokes-Brinkman equation for a voxel-type porous-media grid, resolved by one to eight spacings per permeability contrast of 1 to 10 orders in magnitude. It is first analytically demonstrated that the lattice Boltzmann method (LBM) and the linear-finite-element method (FEM) both suffer from the viscosity correction induced by the linear variatio...

Comparison between fossil and analogue active geothermal systems permit to obtain key-parameters define a conceptual model of the area under exploration. The approach is based on structural, kinematic, fluid inclusions analyses. system investigated describe distribution hydrothermal mineralization as witness flow through geological structures bodies, at depth. Structural kinematic data (to pref...

The deviation of density and viscosity values oil mixtures from those calculated according to the additivity rule has been examined. Mathematical models have developed for determining properties with different compositions taking into account group composition source components. Mixtures containing components a high content alkanes low arenes found be characterized by extreme deviations towards...