Căutare Fascicula XIV după Titlu

Afișează articolele 115-134 of 326

    • Evaluation of Thermal Stresses in Thermo-Abrasive Blasting Nozzles 

      Gorlach, Igor A. (Universitatea "Dunărea de Jos" din Galați, 2006)
      Thermo-abrasive blasting is a technique, which combines conventional abrasive blasting and HVAF processes to prepare surfaces prior coating. Thermo-abrasive blasting has a number of advantages over conventional abrasive ...

    • Experimental Dynamics of a Bridge Deck Isolated with Rolling Pendulum System (RPS) 

      Şcheaua, Fănel Dorel (Universitatea "Dunărea de Jos" din Galaţi, 2013-10-01)
      Base isolation of building structures represents the most important technique used worldwide at this moment. An innovative isolation system is presented in this article, whose passive type operating principle is based on ...

    • Experimental Research of Reaction Force Produced by Coanda Nozzle 

      Constantinescu, Sorin Gabriel; Bălan, George (Universitatea "Dunărea de Jos" din Galați, 2013-10-01)
      The paper presents research results of gas dynamics of Coanda nozzle, that is a key element of drones with jet propulsion. The jet propulsion Coanda drones allow you to quickly monitor the large areas in emergency situations: ...

    • Experimental Researches on the Sound Absorption Composites Used for Public Worket Equipment 

      Drăgan, Nicușor (Universitatea "Dunărea de Jos" din Galați, 2010)
      Decreasing of sound and vibration global level inside and/or outside the public works equipment’s cabin as well as the reduction the noise pollution or the pollution accounted by the vibration and mechanical shocks on ...

    • Experimental Study of the Air-Jet Stem Generator 

      Graur, Iulia; Bălan, George; Șerban, Anca (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 Testes in Oven Equipped with Burner Sonoc Generator Gazodynamic 

      Pana, Daniela (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-Computational Determination of Epoxy Resin mechanical Properties, used in Assembly Applications 

      Tsiafis, Ioannis; Bouzakis, Konstantinos-Dionisios; Michailidis, Nikoloas; Asimakopoulos, Antonios; Korlos, Aposolos (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, ...

    • Filter Signals a First Step in Interpreting Experimental Results 

      Leopa, Adrian (Universitatea "Dunăread de Jos" din Galați, 2010)
      After recording and storage of experimental data, a first step in their processing is filtering, ie, removal of parasitic components (noise) accompanying the signal due from other machines or equipment in service or ...

    • Flexible Objects Vibration Control and Handling Using DD Robot Arms 

      Jiang, Zhao-Hui; Kubo, Masaya (Universitatea "Dunărea de Jos' din Galați, 2006)
      This paper addresses issue of flexible object manipulation by using robot arms. The main objective is to establish a suitable control system of the robot for performing flexible object manipulation tasks. A force sensor ...

    • Friction Coupling and Specific Phenomena 

      Simionescu, Cristian Silviu (Universitatea "Dunarea de Jos" din Galați, 2003)
      The present work object is to make the transitory conditions evolution evident,in coupling, by considering the friction moment which depends on angular speed. The friction moment is considered to be dependent on the relative ...

    • Functional Aspects for Antiseismic double Sliding Isolation Systems 

      Șcheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2015)
      In order to counteract the soil sudden movements as a result of seismic actions, a disconnection between the primary components of a specific structure was needed, so that the efforts can not be transmitted on ...

    • General Working Principles for Agricultural Tractor with Ploughing Equipment 

      Șcheaua, Fănel (Universitatea"Dunărea de Jos" din Galați, 2014)
      Agricultural machines are considered part of special mechanical equipments category intended to perform mechanized works in farmlands, in order to obtain optimal harvests. The continuous development of these equipments ...

    • Geometrical Assumptions Regarding Viscous Fluid Dampers 

      Nedelcut, Florin; Scheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2015)
      The specific innovative device presented in this paperwork is a hydraulic system operating with viscous fluid that provides damping for shocks and vibrations. A basic viscous fluid device is constructed on the principle ...

    • Geometrical Shapes with CAD Systems 

      Haraga, Georgeta; Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2008)
      The Solid Edge software is a power computer-aided design (CAD) system of graphics for mechanical assembly, part modeling, and drawing production. In this paper, both the ability in using Solid Edge program and the ...

    • Geometry Stage 3D Modeling of a Heat Station Pump 

      Goanță, Adrian Mihai; Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper presents the stages of the 3D modelling of a circulation pump in a domestic low-power heat station. The possibilities of modifying the geometry by changing the numerical size of the geometric parameters are ...

    • Gyratory Crusher Bucket-type Attached to the Excavator Arm 

      Eftimie, Dorin (Universitatea "Dunărea de Jos" din Galați, 2014)
      The paper aims to present a new technological solution of a crusher bucket-type attached to excavator arm. The optimized solution of the gyratory crusher bucket type is the computer aided design (CAD) which enables virtual ...

    • High-Performance Concretes-Behavior of Fresh Concrete 

      Paiovici, Roza; Ionescu, Ştefania (Universitatea "Dunarea de Jos" din Galaţi, 2003)
      Most of the research in High-Performance Concretes (HPC) since the publication of the State-of-the-Art Report in 1990 has concentrated on increasing basic knowledge regarding HPC performance and properties rather than ...

    • Humidity Determination in Concrete by Using the Dielectric Method 

      Ionescu, Ștefania (Universitatea "Dunărea de Jos" din Galați, 2011)
      The presence of humidity in the building envelope elements decays their structural and technological properties, favours heat losses and, in time, also the deterioration and degradation of the building. In order to avoid ...

    • Hydraulic Plant with Energy Inertia Recuperator for Single Bucket Excavator 

      Axinti, Gavril (Universitatea "Dunărea de Jos" din Galați, 2004)
      This paper analyse the driving solutions for hydraulic single bucket excavators, by the point of view of the energy consumptionon the technological working cycle. It is presented a solution of accumulation and re-circulate ...

    • Hydrostatic Motor with Variable Engine Capacity 

      Eftimie, Dorin; Bujoi, Cristian (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper presents a new constructive solution of a hydrostatic motor with variable engine capacity. The 3D model realized with NX 7.5 software and also the ensemble drawing offer designers the opportunity to standardize ...