Issue: #4 (97)
Mathematics
Numerical Solution of the Two-Phase Stefan Problem in the Enthalpy Formulation with Smoothing the Coefficients
Authors: Vasilyev V.I., Vasilyeva M.V., Stepanov S.P., Sidnyaev N.I., Matveeva O.I., Tseeva A.N. |   |
Category: Mathematics | Chapter: Computational Mathematics |
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Keywords: mathematical model, cryolithozone, enthalpy, Stefan’s problems, coefficient smoothing, latent heat, numerical calculations |
New Two-Fluid Turbulence Model Based Numerical Simulation of Flow in a Flat Suddenly Expanding Channel
Authors: Malikov Z.M., Madaliev M.E. |   |
Category: Mathematics | Chapter: Computational Mathematics |
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Keywords: Navier --- Stokes equations, flat channel with a backward-facing step, separated flow, two-fluid model, control volume approach, turbulent stresses |
Computational Diagnostics of Jacobi Unstable Dynamical Systems with the Use of Hybrid Algorithms of Global Optimization
Authors: Shkapov P.M., Sulimov A.V., Sulimov V.D. |   |
Category: Mathematics | Chapter: Differential Equations, Dynamic Systems, and Optimal Control |
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Keywords: dynamical system, control, Jacobi stability, geometrical invariant, computational diagnostics, global optimization, hybrid algorithm |
The Solution of Boundary Value Problems of Various Types with Consideration of Volume Forces for Anisotropic Bodies of Revolution
Authors: Ivanychev D.A., Levina E.Yu. |   |
Category: Mathematics | Chapter: Mathematical Physics |
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Keywords: the method of boundary states, boundary value problems of mechanics, anisotropy, bulk forces, state space, elastic equilibrium |
Physics
Temperature State of the Electrical Insulation Layer of a Superconducting DC Cable with Double-Sided Cooling
Authors: Zarubin V.S., Kuvyrkin G.N., Savelyeva I.Yu. |   |
Category: Physics | Chapter: Thermal Physics and Theoretical Heat Engineering |
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Keywords: non-linear mathematical model, electrical insulation of a superconducting cable, one-dimensional temperature distribution, integral relations |
Chemistry
Preparation of Solutions of Titanium Trichloride-Based Complex Coagulants
Authors: Kuzin E.N. |   |
Category: Chemistry | Chapter: Electrochemistry |
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Keywords: complex coagulant-reducing agent, titanium trichloride, thermal reduction, electrochemical reduction |
Research into Thermocatalytic Propane-to-Propylene Synthesis Using Iron-Containing Composite Carbon Materials
Authors: Markova E.B., Cherednichenko A.G., Akhmedova L.S., Averina Yu.M., Serov Yu.M. |   |
Category: Chemistry | Chapter: Organic Chemistry |
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Keywords: olefin synthesis, propane cracking, heterogeneous catalysis, iron-containing catalysts, activated carbons, carbon nanotubes |
The Development of Combustion Strategy in Improving the Performances of SI-PFI Engine Using E50 of Gasoline-Bioethanol Fuel Blend
Authors: Paloboran M., Syam H., Yahya M., Darmawang |   |
Category: Chemistry | Chapter: Bioorganic Chemistry |
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Keywords: spark ignition engine, gasoline-bioethanol blend, Response Surface Methodology, combustion strategy, compression ratio |
Chemical Current Source Express Diagnostics Using Noise Spectroscopy on the Example of Lithium-Thionyl Chloride Battery
Authors: Petrenko E.M., Semenova V.A. |   |
Category: Chemistry | Chapter: Electrochemistry |
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Keywords: primary chemical current sources, lithium batteries, noise spectroscopy, discharge degree, residual capacitance |