Căutare 1995-2015 după Data publicării

Afișează articolele 301-320 of 326

    • Aspect Regarding Concept, Desingn, Development and Use of a Coandă Effect Unmanned Aerial Vehicle 

      Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2014)
      This scientific paper presents certain aspects regarding the stages of concept, design, development and use of a Coandă unmanned aerial vehicle. The study is based on MEDIAS project case study, a Lightweight UAV (LUAV) ...

    • Rheological and Tribological Study on Soybean Oil 

      Șolea, Liviu Cătălin (Universitatea "Dunărea de Jos" din Galați, 2014)
      In this work the temperature and share rate influence on soybean oil viscosity was studied. Moreover, a statistical analysis of the experimental data obtained by a tribological study of this oil was carried out. ...

    • "NX Manufacturing" - Digital Manufacturing Integrated Solution for PLM 

      Goanță, Mihai; Eftimie, Dorin (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper presents a description of the integrated manufacturing solution produced by Siemens NX MANUFACTURING INDUSTRY SOFTWARE - that respects the principles of the concept of Product Lifecycle Management (PLM). It's ...

    • Principle of Elastomeric Supports as Antiseismic Isolation Systems 

      Șcheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2014)
      Special systems have been designed to be mounted at building structures acting against the effects of ground dynamic motions caused by earthquakes. Such systems considered as isolators working on dynamic regime are based ...

    • The Friction Force Dependence at Simple Pendulum Sliders by Relative Speed and Temperature of the Surface in Contact 

      Leopa, Adrian (Universitatea "Dunărea de Jos" din Galați, 2014)
      Some bridges located in areas of high seismic risk have the decks supported through simple pendulum what dissipates energy by dry friction. The friction force that occurs by motion of the two surfaces is dependent on both ...

    • NX Siemens - Integrated Solution of PLM Mechanical Design 

      Goanță, Adrian Mihai; Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper presents a description of the integrated solution for the SIEMENS NX design – meeting the principles of the concept Product Lifecycle Management (PLM). There is also a succinct explanation of the origin and ...

    • The Inclusion in the Calculation Schemws for Numerical Simulation of the Pressures Drop on Inlet and Outlet of Hydraulic circuits 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2014)
      Numerical simulation of the operation of hydraulic systems acting on hydraulic cylinderst is based on differential equations that describe the equilibrium of forces and the continuity of the flow rate. To simplify ...

    • 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 ...

    • 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 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 ...

    • Correlative Estimations in Using of Effective Configurations for Vibroinsulation Elastomeric Elements 

      Potîrniche, Aurora; Năstac, Silviu (Universitatea "Dunărea de Jos" din Galați, 2015)
      This paper deals with practical insulation devices, systems to provide the tradeoff between the contact with earth (in order to resist to gravitation) and the separation from earth (in order to withstand the earthquake). ...

    • 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 ...

    • Aspects Regarding Rolling Pendulum Seismic Isolation Systems 

      Scheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2015)
      Special systems capable to ensure a proper isolation for building structures against dynamic actions have experienced a continuous development in the recent years. These systems are designed to provide increased safety for ...

    • On the Influence of temperature the Cushioning Ability of the Hydraulic Cylinders 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2015)
      This paper presents some aspects related to the way the cushioning capacity of hydraulic cylinder is affected by the temperature variations of the hydraulic fluid. We have analysed the case of the hydraulic cylinders with ...

    • The Influence of the Hydraulic Fluid Compressibility on the Tematics of Mechanisms Actuated with Hydraulic Cylinders 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2015)
      the description of the kinematics of mechanisms driven by hydraulic cylinders, hydraulic agent is usually considered incompressible. This computing hypothesis introduces errors which, in certain situations, can not be ...

    • The Dynamics of the Moving Transmissions 

      Daschievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2015)
      The chargers on tire with direction through side-slip are equipments for used loading different materials, having very good manoeuvrability in narrow places due to the possibility of turning around their centre of weight. ...

    • The Method for Remote Control of a Mechatronic System, Based on a Bluetooth Module 

      Staretu, Ionel; Bogdan, Laurean (Universitatea "Dunărea de Jos" din Galați, 2015)
      The paper presents a mechatronic system programmed and controlled by a PLC. The mechanical structure consists of a Dc motor and pneumatic actuators. The Control from short distance is necessary in many industrial appl ...

    • The Road Traffic Acoustic Emissions Influence 

      Anghelache, Diana (Universitatea "Dunărea de Jos" din Galați, 2015)
      Transportation (on road, water and through air) is the most powerful potential source of acoustic pollution these days, so its framing in general ecological cycle is not suitable.Man must better understand the unity of ...

    • Assements Regarding Effective Configurations of Vibrations Isolators Based on Strain Analysis 

      Potîrniche, Aurora; Căpățînă, Gigel-Florin (Universitatea "Dunărea de Jos" din Galați, 2015)
      This paper aims to treat the case of some practical insulation systems used for buildings, systems that assure the compromise between the contact with the ground in order to resist to gravitation and separation from ...

    • Results Obtained from Testing a Hybrid Model of Vibration Isolation System 

      Scheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2015)
      The achievement of new civil and industrial buildings or the rehabilitation of old ones involves using special systems designed to avoid the dynamic requests represented by shocks, vibrations or seismic actions. Such ...