Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 1392-1411 of 1845
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Severe Plastic Deformed Pure Aluminum by Equal Channel Angular Pressing
(Universitatea "Dunărea de Jos" din Galați, 2009)Samples of an aluminum alloy were subjected to an equal channel angular pressing (ECAP) at room temperature for one pass. For the several specimens severe plastic deformation process was interrupted to observe the material ... -
Shear Stability as Oils’ Performance Indicator
(Universitatea ”Dunărea de Jos” din Galați, 2008)The paper presents a comparative analysis between the shear stability tests results and four ball tests results for some industrial oils. This correlation is used for establishing the way how the mechanical solicitations ... -
Shear Stresses in Beams with Variable Cross Section, Subjected to Non-Uniform Bending
(Universitatea "Dunărea de Jos" din Galați, 2012)The goal of this paper is to present a generalization of the Juravski formula (appropriate for the beams with constant cross section, subjected to non-uniform bending), for the beams with variable cross section. In the ... -
Siderurgy Slags Recovery in Building Industry
(Universitatea "Dunărea de Jos" din Galați, 2014)During the metallurgical processes of iron and steel elaboration, besides the basic products, it results a serious of secondary products (wastes) in high quantities but with a high recycle – recovery potential, and their ... -
Siemens PLM Solution Applied to the Design of Agriculture Facilities and Equipment
(Universitatea "Dunărea de Jos' din Galați, 2014)This paper presents a brief description of the SIEMENS PLM solution and its application to the design of machinery and equipment for agriculture. Also it is shown in detail the concept of Product Lifecycle Management ... -
Sift Based Algorithm for Point Feature Tracking
("Dunarea de Jos" University of Galati, 2007)In this paper a tracking algorithm for SIFT features in image sequences is developed. For each point feature extracted using SIFT algorithm a descriptor is computed using information from its neighborhood. Using an algorithm ... -
Silica thin Films Obtaining by Sol-Gel Dip Coating with Controlled Optical Properties
(Universitatea "Dunărea de Jos" din Galați, 2014)Transparent oxide films are widely employed as antireflection or high reflection coatings, band-pass filters and narrow-band-filters in various optical and electronic devices. The performances of these devices are based ... -
Simple Approach for Induction Motor Control Using Reconfigurable Hardware
("Dunarea de Jos" University of Galati, 2002)The paper deals with rotor-field-oriented vector control structures for the induction motor drives fed by the so-called tandem frequency converter. It is composed of two different types of DC-link converters connected ... -
A Simple Device for Modelling Bioarticular Joint Friction
(UDJG, 2011)In this paper a simple device for modelling bioarticular friction is presented. The experimental device serves to simulate the movement as it would take place in a knee joint. Key components of the experimental device are ... -
A Simple Load Power Estimator for Quasi-Direct AC-AC Converter System
("Dunarea de Jos" University of Galati, 2003)In this paper a simple load power estimator for the three-phase quasi-direct acac converter system is reported. Since the ac-ac converter control by means of pulsewidth modulation (PWM) is based on the power balance ... -
Simulation of an Economic Policy on Second Life Using a Conjunctural Analysis Approach
("Dunarea de Jos" of University of Galati, 2007-01)This paper intends to define an economic policy that does not compromise the coordination between the 4 main sectors of an economy: the real sector, the public sector, the exterior sector and the monetary sector. The ... -
Simulation of Dynamical Systems with Linear and Non-Linear Behavior in Scicos Environment
(Universitatea "Dunărea de Jos" din Galați, 2005)The paper presents the SCICOS program and the way how to formalise dynamic system with known physical and mathematical models in this environment. Using simple examples from the field of vibrations, it is shown how “continuous ... -
Simulation of four Switch PWM AC Chopper Fed Single Phase Induction Motor
("Dunarea de Jos" University of Galati, 2010)To improve the performance of motor drives, there is a need to improve the quality and reliability of the drive system. With the high power handling capability of IGBT, pulse width modulated AC chopper can be used in ... -
Simulation of the Production Process Dynamics using Vensim and Stella
(Universitatea "Dunărea de Jos” din Galați, 2016)This paper aims to make a brief presentation of the principles of dynamic systems and to analyze two applications support for modeling and simulation of the evolution of these systems. For illustration, we chose a classic ... -
A Simulation Platform to Model, Optimize and Design Wind Turbines, the Matlab / Simulink Toolbox
("Dunarea de Jos" University of Galati, 2002)In the last years Matlab / Simulink® has become the most used software for modeling and simulation of dynamic systems. Wind energy conversion systems are for example such systems, containing subsystems with different ... -
Simulation Results of Closed Loop Controlled Interline Power Flow Controller System
("Dunarea de Jos" University of Galati, 2010)The Interline Power Flow Controller (IPFC) is the latest generation of Flexible AC Transmission Systems (FACTS) devices which can be used to control power flows of multiple transmission lines. A dispatch strategy is ... -
Simulation Results of Current Fed Interline Power Flow Controller Using Simulink
("Dunarea de Jos" University of Galati, 2010)Interline Power Flow Controllers (IPFC) have been used to enhance and optimize the use of transmission facilities, under the concept of a Flexible AC Transmission System (FACTS). The main objectives of FACTS are to ... -
Simulation Results of Single Stage AC-AC Converter for Induction Heating
("Dunarea de Jos" University of Galati, 2010)This paper presents simulation of single stage Induction heating system with series Load Resonance. Low frequency AC is converted in to High Frequency Ac using newly developed ZVS-PWM high frequency inverter. This High ... -
Sincerity : Textual claims to validation
(Universitatea "Dunărea de Jos" din Galaţi, 2006-01)Dacă se defineşte sinceritatea ca un raport de încredere între emiţător şi receptor, concomitent se face trimitere la o corelare justă între forma de exprimare şi starea emoţională a emiţătorului. Discuţia în articolul de ... -
Singular Points in an Elastic Half-Plane Containing a Circular Hole, Loaded by a Normal Point Force on the Straight Boundary
(Universitatea "Dunărea de Jos" din Galaţi, 2006)These authors published theoretical results upon the stress state induced in an elastic half-plane containing a circular hole by a point force applied on its boundary. The solutions were found in bipolar co-ordinates and ...
