Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați: Recent submissions
Afișează articolele 461-480 of 1845
-
Strength Analysis of a Composite Joint Used in Ship Structure
(Universitatea "Dunărea de Jos" din Galați, 2015)Low weight and high strength panels are always taken into account when designing materials for sandwich panel technology, which offers an efficient solution for different problems. Different types of sandwich panels are ... -
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 the Anodic Oxidation Treatment on the Corrosion Behaviour of Aluminium and Aluminium Alloyss
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper deals with the effect of anodic oxidation treatment on the corrosion behaviour of 6061 aluminium alloy in natural sea water. Anodic oxidation treatment leads to the formation of an amorphous oxide layer on the ... -
Alumina Influence on the Corrosion Resistance of Ni-PAl2O3 Composite Layers
(Universitate "Dunărea de Jos" din Galați, 2015)This paper aims to analyze the corrosion resistance of composite layers based on Ni-P matrix and disperse phase alumina of 10 μm size, present in amounts of 5, 10 and 20 g / L in the nickel plating bath. The influence ... -
Corrosion Resistance of Zinc Coated Steel in sea Water Environment
(Universitatea "Dunărea de Jos din Galați, 2015)The life time of metallic materials used in naval transport industry is influenced by their corrosion resistance. For utilization in shipbuilding and offshore construction, metallic materials need to be covered with ... -
Water-in-Diesel Emulsions as an Alternative Fuel for Diesel Engines. Part II: Performance of Diesel Engines Fueled with Water-in-Diesel Emulsions. A Literature Review
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper presents the recent advances of water-in-diesel emulsion fuel studies, especially the impact of using this emulsion fuel to the performance and emissions of diesel engine. Studies revealed that the onset and ... -
Dual Priority Scheduling Algorithm Used in the nMPRA Microcontrollers-Dynamic Scheduler
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper is a follow up of an already published paper that described the static scheduler. It deals with a true dynamic scheduling algorithm that is meant to maximize the CPU utilization. The dual priority algorithm ... -
Contributions Regarding the Development of New Types of Solar Actuators
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents the authors’ contributions to the development of solar actuators with bimetallic band and Bourdon tube in the EMAD Research Centre of ”Ștefan cel Mare” University of Suceava. The solutions and the ... -
The Structural Design Improvement of a Twin-Hull Ship
(Universitatea "Dunărea de Jos' din Galați, 2015)The paper is focused on the strength analysis of the structure of twin-hull ships, particularly a passenger catamaran. Catamarans have some advantages against conventional monohulls: larger deck area and cargo volume, ... -
Solutions for Diagnosing Faults in an Asynchronous Motor Stator Through a Ferrofluid Installation
(Universitatea "Dunărea de Jos" din Galați, 2015) -
The Use of Ultrasound in the Treatment Process of Wastewater. A Reviuw
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper, different types of ultrasound devices for the treatment process of wastewater are presented. The use of ultrasound in treatment processes is a method of perspective, an alternative to conventional methods. ... -
Electrical Properties Characterization of Vinyl ester Resin Filled with carbon Nanotubes
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper the authors have done a characterization of the electrical properties of vinyl ester based nanocomposites containing different percentages of carbon nanomaterials The carbon fillers used in this study were ... -
Applications Based on Variabile Frequency Rotating Magnetic Field Electromechanical Agitator With Dual Direction
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper presents a series of experimental results obtained by studying the specific effects and phenomena of the rotating magnetic field. During the research, an interesting phenomenon, specific to the variable frequency ... -
Determination of Glass Transition Temperature for Polyester/Graphene Oxide and Polyester/Graphite Composite by TMA and DSC
(Universitatea "Dunărea de Jos" din Galați, 2015)The influences of oxide grapheme and grapheme in thermosetting polymer composites are complex and they very much depend on the chemical bonds formed between the additives and the polymer matrix. This study has used ... -
The Electromagnetic Proprieties of Hybrid Composites
(Universitatea "Dunărea de Jos" din Galați, 2015)This research investigates the electromagnetic behaviour of hybrid composites with heterogeneous epoxy matrix. The hybrid composites were formed by the wet lay-up method and were made of three types of simple plain fabrics ... -
Conductive-Atomic Force Microscopy Investigation of the Electrical Properties of Low Temperature Deposed ZnO Transparent thin Films
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents the investigation by conductive-atomic force microscopy (C-AFM) of the variation of the local conductivity and topography of the transparent ZnO thin films deposed onto soda lima glass substrates by ... -
Selective Recovery by solubilization of Metals Ions of Chromium, Iron and Zinc from Electroplating Sludge to Develop Pigments for Ceramics Industry
(Universitatea 'Dunărea de Jos" din Galați, 2015)Electroplating industries discharge large amounts of heavy metals, including chromium (Cr), iron (Fe) and zinc (Zn) ions, in the wastewater resulted from technological processes, as well as in the sludge from wastewater ... -
Effective Electromechanical Coupling for the Partially Electroded Ceramic Resonators of Different Geometries
(Universitatea "Dunărea de Jos" din Galați, 2015)Effective electromechanical coupling factor (ECF) was studied on bar, disc and ring ceramic resonators partially covered by electrodes. ECFs were calculated theoretically and verified experimentally. Bar resonators ... -
Water-in-Diesel Emulsions as Alternative Fuel for Diesel engines part I: Water-inDiesel Emulsions. A Literature Review
(Universitate "Dunărea de Jos" din Galați, 2015)Although emulsions have found numerous and various applications in chemical, pharmaceutical and food industries, emulsions of water in diesel fuel are applicable alternative fuels for the existing diesel engines. Wate ... -
Detailed Microcontroller Architecture Based on a Hardware Scheduler Engine and independent Pipeline Registers
(Universitatea "Dunărea de Jos" din Galați, 2015)In the world of real time operating systems, task switching, communication between threads and synchronization are implemented in software. Some of the mechanisms used may introduce big latencies in task recurrence, task ...
