1995-2015: Recent submissions
Afișează articolele 201-220 of 326
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The Analysis of the CAM Mechanisms Using Matrix Calculations
(Universitatea "Dunărea de Jos" din Galați, 2011)The present study presents the kinematic analysis of a mechanical structure created by cam mechanism RR-CC. It was determined the position, velocity and angular acceleration of the tapped, as depending on the position ... -
Influence of the Behavior of Nonlinear viscoelastic Systems Bearing on the Dynamic of Bridge Structures
(Unioversitatea "Dunărea de Jos' dibn Galati, 2011)Modern structures of bridges and viaducts require dynamic isolation systems, designed to eliminate or mitigate the destructive effects of intense traffic and seismic activity on these constructions. This paper studies ... -
Project Management and Engineering Issues
(Universitatea "Dunărea de Jos" din Galați, 2011)Starting with some attributes specific to a project manager’s work, the paper presents the functions which must be performed by a project leader – planning, organizing, staffing, directing, motivating, leading – and makes ... -
Optimized Method for Synthesis of a Mechanism for Controlling a Hydraulic Operated Machine
(Universitatea "Dunărea de Jos" din Galați, 2011)This paper presents how can be design a mechanism capable of self command. It is intended as a high uniformity of the way of action, so that external control is as safe and simple. Are taken into account the concrete conditions ... -
Optimazation of Ultrasonic Flow Meters for Crude Oil Metering and Export
(Univeritatea "Dunărea de jos" din Galați, 2012)Ultrasonic flow meters, as all velocity or inference type devices, require an adequate flow stream conditioning in order to assure an accurate performance. Typical flow conditioning consists of straightening the upstream ... -
Energy Dissipation Device Using Fluid Dampers
(Universitatea "Dunărea de Jos" din Galați, 2012)This scientific paper presents a solution that is adequate for the seismic isolation of small and medium size buildings and bridges. Comprising two seismic isolating devices, the described arrangement is suitable ... -
Influence of structure Mass on the Behavior of Seismic Energy Hidraulic Dissipation Devices
(Universitatea "Dunărea de Jos" din Galați, 2012)Since many solutions exist today in the field of structure isolation against the destructive action of earthquakes, the authors present a simple solution that can provide complete protection against shock and vibration ... -
Characterization of Bearings Nonlinearities Influences on Viaducts Dynamic Responses
(Universitatea "Dunărea de Jos" din Galați, 2012)In view of viaducts designing and safety exploitation it is necessary to evaluate both theoretically, and instrumentally the dynamic behaviour for impulsive external actions. In this study the dynamic response for a ... -
Analysis of the Sift Feature Destriptors Alghorithm Implementation Used for Object Pieces Recognition
(Universitatea "Dunărea de Jos" din Galați, 2012)Recognition algorithms based on local features such as: are widely used in a large number of computer vision applications object tracking, object reconstruction from images, detection and recognition of objects and people ... -
Comparative Study of "Revolve" Command in the Average-Class Design Software Taught in the Higher Education
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper aims to present a comparative study of "Revolve" control/command or equivalent controls that are found in the following design software, namely Mechanical Desktop 6, Inventor 2011 and Solid Works 2008. In other ... -
Considerations Regarding Parameters Dependencies of Reinforced Concrete Share Equipment Types for Buildings Demolition
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)The models of demolishing jaws and pulverizers that are already on the market give us the necessary information for the development of a research program regarding the optimum choice of the necessary machinery in demolishing ... -
The Dynamic Analysis of the Inrtial Vibrating Screens Modeled as 3DOF Elastic Systems
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper proposes an approach of a 3DOF (3 Degree Of Freedom) dynamic model for the vibrating screens, with the purpose of determining some impartial criteria for the appreciation of dynamic characteristics of the ... -
Acoustic and Parametric Studies of the Experimental Radial Sonic Generator
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)In this paper the parameters of the acoustic field were studied experimentally,along with the frequency produced by the generator and the circular diagram of the generator’s acoustic emission, the influence of the nozzle’s ... -
An Exact Method for Analysis of Kinematics for Mechanisms by Using Vectors Which Form Closed Polygons
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)Construction machinery equipments are complex, with a high degree of mobility. Their operation is done with groups of hydraulic cylinders equal in number with the mobility. This paper presents an exact calculation, which ... -
Influence on Energy Efficiency Oof Mechanisms Operated With Hydraulic Cylinders
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)During the operation of mechanisms operated by hydraulic cylinders significant energy losses occur. They is due to the loss of flow, pressure and friction losses that occur in the system. This paper highlights the connection ... -
Aspects Regarding the Dynamics of the Vibrating Conveyors Modeled as 3DOF Elastic Systems
(Universitatea "Dunărea de Jos " din Galați, 2012)The paper proposes an approach of a 3DOF (3 Degree Of Freedom) dynamic model for the vibrating conveyors, with the purpose of determining the trajectories of the points which belong to the organ to work (transport, sort ... -
Considerations on the Application of the Principles of Computer-Aided Design to Sprinkler Irrigation Systems
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)This paper aims to demonstrate the successful applicability of the general principles of the computer- aided design to the sprinkler irrigation systems. In other words there were applied commands and traditional design ... -
Comparative Analysis Between Operational Performances of Motor Grader Equipments
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper generally deals with technological equipments for construction and agricultural works, and evaluated the operational performances for motor-grader equipments. Starting from a large review of modern ... -
Comparative Study of the Commands for "Pattern" Duplicates with Miscellaneous Design Software
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)The paper aims to present a comparative study of the multiplication command of "Pattern" type or its equivalent that is found in the following design software packages: Mechanical Desktop 6 and Autodesk Inventor 2011. ... -
Econometric Control of the Manufacturing Machines
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)This paper presents a method of econometric modelling of the manufacturing machines which is based on the machine operation monitoring, the collected data storing and an analytical model building meant to describe the ...