Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 755-774 of 1845
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The Influence of Electric Transformers' Specific Parameters Modification on Power Distributions and on Technological Appropriate Consumption (TAC) Within the Energetic System
(The Annals of "Dunarea de Jos" University of Galati, 2005)The paper deals with a comparative analysis – using DINIS(E) programming environment – of the way electric transformers' specific variables (Iron losses, the parameters of the equivalent scheme, the level of primary power ... -
Influence of Geometric Parameters on Forces in Single Point Incremental Forming Process for Various Parts
(Universitatea "Dunărea de Jos" din Galați, 2011)The purpose of this study was to investigate the influence of geometrical parameters on the forces in two directions in a single point incremental forming process. For this purpose, the authors have chosen three types ... -
Influence of Geometrical Parameters on Rigidity of the Worm-Gearing Tooth
(Universitatea "Dunărea de Jos" din Galați, 2002)By means of an original numerical method, the authors study the influence of the parameters of the worm-gearing tooth (diametral quotient, radius of profile curvature, profile angle of the worm, number of gear teeth) on ... -
Influence of Grease Grade and Working Regime on the Structural Modifications of the Superficial Layers on Roller-Roller Tribosystems
(Universitatea "Dunărea de Jos" din Galaţi, 2007)A X-ray diffractometric method is used for analysing the distributions of the 1-st and 2-nd tension state and dislocation density in the superficial layers, after tests in different working and lubricating conditions, the ... -
Influence of Heat Treatment Technology on the Structure and Properties of Thick Sheet Steel ASTM14 Degree F
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper, based on the researches carried out a heat treatment technology can be determined which further lead to an optimum set of mechanical properties according to the technical conditions: A. Annealing (austenite ... -
Influence of High Performance Voltage Converters Supply Upon the Induction Motors Behaviour
("Dunarea de Jos" University of Galati, 2002)The induction motors supply by converters leads to a distorted regime accompanied by some parasite torques and some supplementary losses. These aspects are emphasized further on because their quantitative determinations ... -
Influence of Micro Glass Beads Added in PBT Matrix on the Mechanical Properties of Composites
(Universitatea "Dunărea de Jos" din Galaţi, 2012)This paper presents the influence of adding materials (micros glass spheres) in a matrix of PBT on several mechanical properties: elasticity modulus, stress at break , elongation at break, energy at break. The mechanical ... -
Influence of Niobium as Microalloying element in 3%Si Steel grade for Electrical Industry
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The paper presents the results of the laboratory research on the chemical composition and crystallographic texture in 3% Si steels and their influence on the level of magnetic losses in the final sheet. The magnetic ... -
The Influence of Non-Homogenous Dielectric Material in the Waveguide Propagation Modes
("Dunarea de Jos" University of Galati, 2006)The aim of this paper is to indicate the equations of electromagnetic wave in homogenous and non-homogenous dielectric material, estabilising the bundary conditions and solves by FEM the equations of the electromagnetic ... -
Influence of Normale Loads on Corrosion Behaviour of Ti-6Al-4V Alloy During Fretting in Artificial Saliva
(Universal "Dunărea de Jos" din Galați, 2012)The fretting corrosion behaviour of untreated Ti-6Al-4V alloy in artificial saliva solution was evaluated based on the change in open circuit potential (OCP) measured as a function of time. Fretting corrosion experiments ... -
Influence of Ph galvanic Baths on the Nickel Deposits
(Universitatea "Dunărea de Jos" din Galați, 2009)The influence of pH on cathodic and anodic current efficiency, surface quality and morphology of nickel deposit in the electrolyte solutions of the Watts bath type was investigated. Cathodic current efficiency of nickel ... -
Influence of reduction scheme on hardness cold rolled strip mark steel ST 12
(Universitatea "Dunărea de Jos" din Galaţi, 2016)The paper presents the results of the research on the influence of the evolution hardness scheme rolled steel, for the cold-rolled strip steel St 12. St 12 is intended for the manufacture of cold rolled strip stamping ... -
Influence of Secondary Refining Treatments on the Quality of High-Grade Steel Used in Oil and Gas Industry
(Universitatea "Dunărea de Jos" din Galați, 2015)Steel is the most important alloy used in oil and gas industry from production and processing to the distribution of refined products. In this research is analyzed the production technology of steel intended for long ... -
Influence of Shear Stability on Oils Behaviour
(Universitatea ”Dunărea de Jos” din Galați, 2008)The paper presents a method to establish a link between the shear stability index and service behaviour of motor oils. A standardized method for shearing stability establishing is combined with appropriated curve fitting ... -
Influence of Sintering Temperature on the Structure of Yttrium Based Phosphor Nanoparticles
(Universitatea "Dunărea de Jos" din Galați, 2017)Yttrium-based phosphor materials belonging to the class known as garnets have witnessed a strong return with the development of the first white LEDs. Among these materials, yttrium aluminum garnet doped with cerium has ... -
Influence of Sliding Speed and Average Pressure in Dry Regim Upon Wear of Composite with PA and Micro Glass Spheres
(Universitatea ”Dunărea de Jos” din Galați, 2009)The papers presents the wear results of testing a set of composites PA + 1% black carbon + x% micro glass spheres, where x is the micro glass sphere concentration (x=0, 5, 10, 20, 30wt) using a pin-on-disc tribotester, for ... -
Influence of Some Technological Parametersof Fluidized Bed Carbonitriding on the Surface Hardness of Carbonitrided Parts from Low Allow Steels
(Universitatea "Dunărea de Jos" din Galați, 2016)The paper describes the experimental research of thermos-chemical treatment of carbonitriding performed on samples of different brands of low alloy steels. The technological parameters whose influence on the carbonitrided ... -
Influence of Steel Modification Allied with 4-7%Si on Macrostructure
(Universitatea "Dunărea de Jos" din Galați, 2006)The goal of this paper is to test the effect of odification process of liquid steel with 4-7% silicon content, in the course of pouring out from steel-smelting furnace into ladlet, on macrostructure. The research settled ... -
Influence of Substrate Temperature on Structural and Morphological Properties of SnO2 Nanostructured thin Films
(Universitatea "Dunărea de Jos" din Galaţi, 2013)SnO2 nanostructures thin films with thickness of 500 nm were prepared by electron beam-physical vapor deposition on glass substrate at temperature of 300, 373, 443, and 583 K. Structural and morphological properties of ... -
Influence of Technological Parameters on the Evolution of Nickel Films Deposited by Electrolysis
(Universitatea "Dunărea de Jos"din Galați, 2009)The influence of technological parameters on the structure of nickel layers electrodeposited on a copper substrate in a Watts bath has been studied. The complex influence of current densities, temperature and pH values ...
