Fascicula XIV: Recent submissions
Afișează articolele 281-300 of 326
-
Noise Study of a Naval Ship in Different Operating Modes on the Danube
(Universitatea "Dunărea de Jos" din Galați, 2014)In this paper are described the experimental measurements of noise transmitted to the staff from a naval ship during different operating modes on the Danube. This paper is focused on the technical aspects of the Directive ... -
Study on the Relationship Between Stability and Energy Efficiency of Hydraulic Excavators
(Universitatea "Dunărea de Jos" din Galați, 2014)The cycle of operation of hydraulic excavators has a series of steps in which large masses are accelerated and then braked. The presence of additional masses on the excavators improves stability but reduces energy efficiency. ... -
Integrating Environmental Concerns Into Design
(Universitatea "Dunărea de Jos" din Galați, 2014)This article focuses on the product design and the role played by environmental concerns over the life cycle. In this case, 3D modeling of a wooden ironing board by using CATIA is proposed. Thus, to evaluate design all ... -
The Inclusion in the Calculation Schemws for Numerical Simulation of the Pressures Drop on Inlet and Outlet of Hydraulic circuits
(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 ... -
NX Siemens - Integrated Solution of PLM Mechanical Design
(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 ... -
"NX Manufacturing" - Digital Manufacturing Integrated Solution for PLM
(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 ... -
Gyratory Crusher Bucket-type Attached to the Excavator Arm
(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 ... -
Rheological and Tribological Study on Soybean Oil
(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. ... -
Functional Aspects for Antiseismic double Sliding Isolation Systems
(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 ... -
Principle of Elastomeric Supports as Antiseismic Isolation Systems
(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 ... -
Seismic Isolation and Energy Dissipation Systems for Safe Structures
(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 ... -
Quantification of the Dynamic Response of a Viaduct Loaded by Shocks from Road Traffic
(Universitatea "Dunărea de Jos" din Galați, 2012)The work in seismic design of bridges needs to develop physical models and mathematical theory, based on which will be assessed and quantified the dynamic response of bridge structures subjected to stress arising from ... -
Mud Pumping Equipment Attached to Excavator Arm
(Universitatea "Dunărea de Jos" din Galați, 2012)This study presents a mud pumping equipment that can be attached to the excavator arm. This equipment can solve ecological issues in narrow spaces, in areas where access is limited as well as during floods. Tthe technological ... -
Study on the Influence of Ultrasound Frequency Emitted by a Sonic Generator on Water Parameters
(Universitatea "Dunărea de Jos" din Galați, 2013-10-01)The importance of ultrasound frequency radiated by the sonic generator in the evolution of water quality parameters and its variation according to the pressure level of input air are described in the paper. Also, ... -
Considerations on the Pulsating Character of Pressure Transient of Hydrostatic Components
(Universitatea "Dunărea de Jos" din Galați, 2013-10-01)The paper analyzes the dynamic response of the hydraulic units with the specific character of the hydraulic pressure and transitional pulse from such establishments. It is a simplified mathematical model for these ... -
Aspect Regarding Concept, Desingn, Development and Use of a Coandă Effect Unmanned Aerial Vehicle
(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) ... -
The Friction Force Dependence at Simple Pendulum Sliders by Relative Speed and Temperature of the Surface in Contact
(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 ... -
Some Aspects Regarding the Working Periods of Mechanical Systems Driven with Hydraulic Feedback
(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 ... -
Aspects Regarding the Influence of the damping Over the Running of a Therapeutic Apparatus
(Universitatea "Dunărea de Jos" din Galați, 2014)The paper studies a therapeutic apparatus from the point of view of the influence of damping over its functioning, for various working conditions. The apparatus is intended for the subjects suffering from severe pains, ... -
Siemens PLM Solution Applied to the Design of Agriculture Facilities and Equipment
(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 ...
