Căutare 1995-2015 după Titlu

Afișează articolele 220-239 of 326

    • Second Law Analysis of a Furnace for Metal Heating 

      Pană, Daniela (Universitatea "Dunărea de Jos" din Galaţi, 2013-10-01)
      The industry represents an important sector of the final energy consumption and despite the effort made so far, energy saving potential still remains in this sector. This paper presents an example of energy efficiency ...

    • Seismic Base Isolation of Structures Using Frictuon Pendulum Bearings 

      Șcheaua, Fănel (Universitatea 'Dunărea de Jos" din Galați, 2011)
      Base isolation systems have become a significant element to enhance reliability during an earthquake. One type of base isolation system is Friction Pendulum Bearing in which the superstructure is isolated from the foundation ...

    • Seismic Isolation and Energy Dissipation Systems for Safe Structures 

      Șcheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2012)
      The seismic protection of buildings has been a successful strategy for the past 30 years. Seismic protection systems ensure the safety of any type of building even under most severe earthquakes. Seismic devices not ...

    • Seismic Protection of Structures Using Hydraulic Damper Devices 

      Șcheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2010)
      In recent years, much attention has been paid to the research and development of structural control techniques with particular emphasis on alleviation of wind and seismic responses of structures. Structural control in civil ...

    • Shear Stresses in Beams with Variable Cross Section, Subjected to Non-Uniform Bending 

      Dumitrache, Petru (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 ...

    • Siemens PLM Solution Applied to the Design of Agriculture Facilities and Equipment 

      Goanță, Adrian Mihai (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 ...

    • Simulation of Dynamical Systems with Linear and Non-Linear Behavior in Scicos Environment 

      Gillich, Gilbert-Rainer (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 ...

    • Solution for Energy consumption Uniformity at Single Bucket Excavators 

      Axinti, Gabriel; Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos"din Galați, 2011)
      This paper presents a possible technical solution for energy consumption uniformity at single bucket excavators. The basics of this proposed solution consist of energy inertially stocked up and the proper way to implement ...

    • A Solution to a Deflection Beam Problem 

      Dumitrache, Petru; Hauk, Niculai; Goanță, Adrian Mihail (Universitatea "Dunărea de Jos" din Galați, 2004)
      The present paper shows how the minimal total potential energy principle it is used for elastic systems in the case of the determination of the linearelastic displacements which determines the beams bending. Qualitative aspects ...

    • Some Aspects of the Calculation of Beams Loaded with Mobile Forces with Variable Intensity 

      Dumitrache, Petru (Universitatea "Dunărea de Jos" din Galați, 2010)
      In this article is presented the case of the beams which are loaded by mobile forces with variable intensity along the beam. In this context, after calculus assumptions and calculus model are presented, necessary formulas ...

    • Some Aspects Regarding the Working Periods of Mechanical Systems Driven with Hydraulic Feedback 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2014)
      The mechanisms of mechanical systems, driven by hydraulic feedback systems, have two degrees of mobility. Between the power system and the feedback system there is a hydraulic connection whose behavior is affected by a ...

    • Some Considerations of using Virtual Reality in the Training Process Specific to Disciplines of Applied Mechanics 

      Starețu, Ionel (Universitatea "Dunărea de Jos" din Galați, 2009)
      In this paper, we first discuss issues regarding the training in mechanical design using CAD software to develop the geometric model of the components, the simulation possibilities of functioning in the case of the model ...

    • Some Physical Changes in Extra Virgin Rapeseed Oil after the Process 

      Şolea, Liviu Cătălin; Ştefănescu, Ioan; Zgherea, Gheorghe; Creţu, Romică (Universitatea "Dunărea de Jos" din Galaţi, 2013-10-01)
      The aim of this study is the viscosity’s evolution depending on the temperature and the shear rate and the analysis at the transmittance spectra of the oxidized rapeseed oil. Rapeseed oil was oxidized at the temperatures ...

    • Specific Aspects of Modelling and Designing Gear Pumps 

      Goanță, Adrian Mihai (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper intends to highlight, in the context of general geometrical modelling, the specific aspects of design and modelling of a gear pump. In practice in such situations containing toothed gear it is recommended to ...

    • Spectrophotometric and Rheological Studies on Oxidized Soybean Oils 

      Şolea, Liviu Cătălin; Creţu, Romică (Universitatea "Dunărea de Jos" din Galaţi, 2013-10-01)
      This paper presents a rheological and spectrophotometric study of oxidized and nonoxidized soybean oils at 100, 110 and 120°C temperatures. The oxidation periods of time were 5 hours and 10 hours. Changes of the oxidized ...

    • A Statistical Analysis of the Danube Flow Regimes in Brăila Harbour Area 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2015)
      It was in the frame of the „Restoration of the aquatic and terrestrial ecosystems complex, from Fundu Mare Island, part of the Small Wetland of Brăila - RAMSAR site 1074” project to look for solutions to improve the hydro ...

    • Structural and Kinematic Analysis of Planetary Gearings 

      Naidin, Gigi (Universitatea "Dunărea de Jos" din Galați, 2011)
      By bounding two or more gearings, using a role bear-axle element, we can obtain simple transmissions with caged wheels. A transmission with gear wheels generally has, an axle of fixed rotation, called main axle. The gear ...

    • Structural Requirements of Bituminous Paving Mixtures 

      Bordea, Carmen; Năstac, Silviu (Universitatea "Dunărea de Jos" din Galați, 2002)
      In this work, the autors present some of the principal issues and challenges associated with the design and production of bituminous mixtures that can meet the ever-increasing structural needs of modern pavements.

    • Study about Dynamic Behavior of Suspended Sieve to Machine of Sorted Self-Propelled KT 45/18/13 

      Axinti, Gavril; Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2006)
      In his work studied machine of sorted self-propelled KT 45/18/13. This is a made in product brand name Romania S. C. RALLY-BM. Com. Srl and is used-up for the assortment through material vibrations of grain miscellaneous ...

    • A Study of Body Posture on Human Comfort Under the Influence of Whole-Body Vibrations for the Rail Passengers 

      Picu, Ana (Universitatea "Dunărea de Jos" din Galați, 2010)
      When traveling by train, passengers are exposed to vibration. A well designed seat will attenuate the vibration path to the person in the frequency region where it is the most perceptible, between 3 and 10 Hz. This paper ...