Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 581-600 of 1845
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Experimental Studies on Structure Profile of Cast Alumininum Alloys
(Universitatea "Dunărea de Jos" din Galați, 2005)This paper presents experimental studies regarding the behavior after heat treatment of two cast aluminum alloy. So, we selected a typical charge for studying the structure profile. The studies that we have done can ... -
Experimental Studies Regarding the Implementation Possibilies of a Quality Control System for Ceramic Products in Continuous Flux Production
(Universitatea "Dunărea de Jos" din Galați, 2009)In the current paper the authors studied the possibilities and limitations of a system intended to evaluate the quality of ceramic products directly on the production line. The system is based on a data mining specific ... -
Experimental Study of Friction Losses in Ball Screws
(Universitatea ”Dunărea de Jos” din Galați, 2009)In contrast with conventional sliding lead screws, ball screws with rolling friction between the screw and nut have high efficiency, accurate positioning and smooth, quiet operation at low friction that make this kind of ... -
Experimental Study of the Air-Jet Stem Generator
(Universitatea "Dunărea de Jos" din Galați, 2015)Applications of sound and ultrasound air-jet stem generators became of great interest in heat and power engineering, in environmental protection, in the production of heat insulating material, extraction of poor uranium ... -
Experimental Study on Roughness Parameters Variation, During Running – in Period, for a Cylinder-Plane Friction Couple
(Universitatea ”Dunărea de Jos” din Galați, 2008)The studies of various lubrication problems have been recently focused on atypical geometrical and operating conditions (extreme conditions). Among these cases, one can find analyses of HD bearings having surface macroscopic ... -
Experimental Study on Roughness Parameters Variation, During Running – in Period, for a Cylinder-Plane Friction Couple
(2008)The studies of various lubrication problems have been recently focused on atypical geometrical and operating conditions (extreme conditions). Among these cases, one can find analyses of HD bearings having surface macroscopic ... -
Experimental Testes in Oven Equipped with Burner Sonoc Generator Gazodynamic
(Universitatea "Dunărea de Jos" din Galați, 2015)Burning is the oldest technology of humanity, and it has been used for more than a million years.Combustion plants must be as efficient, to achieve a more complete combustion, to have a higher efficiency and an emission ... -
Experimental Validation of a New Dispersion Method of Additive Particles into Polymer Matrix Composites
(Universitatea ”Dunărea de Jos” din Galați, 2009)The general expected properties of the composite materials are the result of the efficient reinforcement distribution of nanometric particles, one of the most important methods considers their dispersion. The aim of this ... -
Experimental-Computational Determination of Epoxy Resin mechanical Properties, used in Assembly Applications
(Universitatea "Dunărea de Jos" din Galați, 2005)A wide use of adhesive substances and especially of epoxy resins in metal structures with elevated strength is registered during the last years. Epoxy resins possess enhanced mechanical, chemical and physical properties, ... -
Experiments in Distributed Control of Autonomous Mobile Robots
("Dunarea de Jos" University of Galati, 2012)Distributed control is known to produce simple and cost effective solutions for many control applications. This is particularily interesting for controlling autonomous mobile robots, where the designer faces severe constraints ... -
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea "Dunărea de Jos" din Galați, 2014)Neutralizing improvised explosive devices (handmade) by mechanical separation of the elements which are part of their composition can be achieved by the following methods: - generation of shock waves by means of the ... -
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea 'Dunărea de Jos" din Galaţi, 2014)Neutralizing improvised explosive devices (handmade) by mechanical separation of the elements which are part of their composition can be achieved by the following methods: - generation of shock waves by means of the ... -
Exploring Differences in Leadership Styles in Romanian Software Development Industry
(“Dunarea de Jos” University of Galati, 2013)Leadership style is considered an important factor that influences the firm perfomance. The aim of the present paper is to explore the correlations between the gender and management level of the managers, considered as ... -
Extension through analogy a useful method in the study of disparities
(Universitatea "Dunărea de Jos" din Galaţi, 2006)The method of extension through analogy is, in our view, useful for comparisons between miscellaneous economical indicators belonging to the same structure, also between indicators which belongs to various economical ... -
Fabric Reinforced Filled Epoxy Composites
(Universitatea ”Dunărea de Jos” din Galați, 2009)Among composites, the polymer matrix ones are the cheapest and the easiest to form but they show major disadvantages such as poor electrical and thermal conductivity, low fire resistance etc. In the case of any composite, ... -
Fabrication and Characterization of Cobalt/Iron Composite Coatings
(Universitatea "Dunărea de Jos" din Galați, 2013)Cobalt/iron composite coatings are used in micro-equipments due to their high magnetic saturation values and Curie temperatures, as magnetic nanoparticles capable of killing cancer cells, for magnetic data storage and ... -
Fabrication of Ultrafine Low Carbon Metallic Multilayer by Accumulative Roll Bonding
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The effect of grain refinements by Accumulative Roll Bonding (ARB) was investigated on low carbon steel. Optical microscopy (OM) and microhardness tests were used to check the phase changes and hardness before and after ... -
Failure of a Total Knee Prosthesis Tibial Tray Due to the Fatigue Wear
(Universitatea ”Dunărea de Jos” din Galați, 2006)Some studies report the failure of a tibial insert of knee prostheses due to the subsurface cracking and delamination wear [1]. The present study starts by analysing retrieved total knee prosthesis revealing the loss of a ... -
Fast Acting Robust Controller for Pitch Control System
("Dunarea de Jos' University of Galati, 2008)In this paper a classical feedback controller has been designed to furnish fast acting characteristics in the face of parametric perturbation using two parameters, Generalized Time Constant and Characteristic Ratios. The ... -
A Fast Numerical Method to Predict Elastic Fields Due to Eigenstrains in an Isotropic Half-Space PartII. Program Validation and Simulations
(Universitatea ”Dunărea de Jos” din Galați, 2009)A fast algorithm to solve the inclusion problem for arbitrarily shaped eigenstrains is validated in this paper. Influence coefficients formulas and numerical predictions for elastic fields due to a spherical region of ...
