Open Access Journals: Recent submissions
Now showing items 521-540 of 831
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Linear, Cubic and Quintic Coordinate-Dependent Forces and Kinematic Characteristics of a Spring-Mass System
(2013-09)By combining a pair of linear springs we devise a nonlinear vibrator. For a one dimensional scenario the nonlinear force is composed of a polynomial of odd powers of position-dependent variable greater than or equal three. ... -
Development of Analytical Model for Modular Tank Vehicle Carrying Liquid Cargo
(2013-04)The study of dynamics of tank vehicles carrying liquid fuel cargo is complex. The forces and moments due to liquid sloshing create serious problems related to the instability of tank vehicles. In this paper, a complete ... -
X-ray radiography investigation of structural conditions of Fe-15Cr-35Ni11W steel irradiated by ion-plasma fluxes
(Elsevier, 2017-08)It was found that structural-phase transformations induced by radiation in the highly doped heat resistant Fe-15Cr-35Ni-11W alloy under the effects of treatment with ion-plasma beams differ from the transformations in ... -
An Analytical Model of the Power Law Distributions in the Complex Network
(2012-08)It is known that complex networks in nature exhibit some significant statistical features. We notice power law distributions which frequently emerge with respect to network structures of various quantities. One example ... -
Computational Fluid Dynamics Analysis of Greenhouses with Artificial Heat Tube
(2012-08)With the workmanship decrease in farms, the necessity to rationalize the use of other inputs and the development of technology has rapidly expanded the use of computer simulation in agricultural systems. One of the ... -
A code for 3D calculations of the output characteristics for a single-cell thermionic fuel element of thermionic nuclear power plants for different applications
(2017-08)R&D has been conducted by a cooperation of Rosatom State Corporation’s enterprises to build a line of autonomous small nuclear power plants (SNPP) of up to 1 MW el to support government programs ... -
A Finite Element Approximation of the Stokes Equations
(2011-12)In this work, a numerical solution of the incompressible Stokes equations is proposed. The method suggested is based on an algorithm of discretization by the unstable of Q1 – P0 velocity/pressure finite element ... -
Numerical Investigation of Flow Structure Interaction Coupling Effects in Hard Disk Drives
(2012-02)This paper studies the flow structural interaction (FSI) within a hard disk drive (HDD) through the use of a novel coupling method. The interaction studied was the fluid induced vibration in the HDD. A two step coupling ... -
The Mesoscopic Constitutive Equations for Polymeric Fluids and Some Examples of Viscometric Flows
(2012-02)Constitutive equations for melts and concentrated solutions of linear polymers are derived as consequences of dynamics of a separate macromolecule. The model is investigated for viscometric flows. It was shown that the ... -
A Fatigue Analysis of a Hydraulic Francis Turbine Runner
(2012-02)In this work, the estimation of crack initiation life of a hydraulic Francis turbine runner is presented. The life prediction is based on the local strain approach to predict the initiation life. First, the analysis is ... -
Quadrature formulas for integral equations of kinetics and digital reactimeters
(2017-08)The aim of this work is to derive quadrature formulas for nuclear reactor kinetic equations in the form of Volterra integral equations of the second kind and reactimeter equations in the form of integral convolution, the ... -
Criteria of return on investment in nuclear energy
(Elsevier, 2017-08)Analytical relationships between the investment performance criteria (net present value (NPV), levelized cost of electricity (LCOE), internal rate of return (IRR), discounted payback period (TPB), and discounted costs ... -
Acousto-Diffusive Waves in a Piezoelectric-Semiconductor-Piezoelectric Sandwich Structure
(2011-10)The propagation of acoustic waves in a homogeneous isotropic semiconducting layer sandwiched between two homogeneous transversely isotropic piezoelectric halfspaces has been investigated. The mathematical model of the ... -
Mathematical Modelling of Mass Transfer and Free Convection Current Effects on Unsteady Viscous Flow with Ramped Wall Temperature
(2011-08)An exact analysis of the flow of an incompressible viscous fluid past an infinite vertical plate is conducted taking into account the presence of foreign mass or constant mass flux and ramped wall temperature. The dimensionless ... -
A Simplified Nonlinear Generalized Maxwell Model for Predicting the Time Dependent Behavior of Viscoelastic Materials
(2011-06)In this paper, a simple nonlinear Maxwell model consisting of a nonlinear spring connected in series with a nonlinear dashpot obeying a power-law with constant material parameters, for representing successfully ... -
Experimental Research on Damage Parameter of Concrete in Non-Uniform Stress Field
(2011-06)The damage variables of describing the material damage state should be chosen first when the research of concrete structures by use of theory of damage theory. The method of calculation of damage parameter by the measure ... -
Evaluation of effective threshold displacement energies and other data required for the calculation of advanced atomic displacement cross-sections
(Elsevier, 2017-08)Minimum displacement threshold energy, averaged displacement threshold energy, effective displacement energy, and parameters of arc-dpa equations were estimated for 70 materials from Li to U using available experimental ... -
A Mathematical Model for Magnetohydrodynamic Convection Flow in a Rotating Horizontal Channel with Inclined Magnetic Field, Magnetic Induction and Hall Current Effects
(2011-06)Closed-form and asymptotic solutions are derived for the steady, fully-developed hydromagnetic free and forced convection flow in a rotating horizontal parallel-plate channel under the action of an inclined magnetic field ... -
Definition of Increasing the Fibre Capturing Surface of Saw Teeth of Cotton Ginning Machine through Mathematic Modelling
(2011-06)Theoretical and the experimental researches executed in Uzbekistan and abroad explored some ways of a substantiation of a rational profile of a tooth of a saw and its fibre capturing ability. Despite that, untill now, optimum ... -
Aerodynamic Brake for Formula Cars
(2015-10)In the last years, in formula racing cars championships, the aerodynamic had reached an ever more important stance as a performance parameter. In the last four seasons, Red Bull Racing Technical Officer had designed their ...