Căutare Fascicula XIV după Titlu
Afișează articolele 238-257 of 326
-
Study about Dynamic Behavior of Suspended Sieve to Machine of Sorted Self-Propelled KT 45/18/13
(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
(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 ... -
A Study of Hand-Arm Vibrations for the Foresters Workers
(Universitatea "Dunărea de Jos" din Galați, 2012)The foresters workers are especially exposed to hand-arm transmitted vibrations. These vibrations can cause the complex of vascular, neurological and musculoskeletal disorders, collectively named hand-arm vibration ... -
Study of Noise Produced by Elevators Inside Buildings
(Universitatea "Dunărea de Jos" din Galați, 2007)This paper studies the way in which elevators movement produces work perturbing noises. The studies were made on two types of buildings: a modern building, with noiseless elevators and another one with old elevators. ... -
Study of the internal Resonance of a two-Degree-of-Freedom Non-Linear Dynamic System
(Universitatea "Dunărea de Jos" din Galați, 2006)The paper analyses a two- degree- of- freedom dynamic system, by taking into account its non- linearity. The case of the internal resonance is studied and, by local analysis, Hopf bifurcations are emphasized. Periodic ... -
Study of The Palette-Obstacle Impact for a Concrete Mixer
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)In this paper the numerical simulation of the concrete mixer was developed in SimMechanics, a toolbox for Matlab environment. The virtual model for mixing equipment simulation has been computed to estimate the increase ... -
Study on a Seismic Isolation Method Suitable for an Architectural Monument
(Universitatea "Dunărea de Jos" din Galați, 2012)The research presented in this scientific paper investigates an adaptive seismic isolation system meant to protect architectural monuments structures subjected to a variety of seismic ground motions. This scientific paper ... -
A Study on Stevens' Power Law Applied on the Human Perception of a Running Vehicle Transmitted Vibrations
(Universitatea "Dunărea de Jos" din Galați, 2009)This paper studies the way humans perceive vibrations induced by a running vehicle, starting from Stevens’ Power Law. The measurable physical magnitude was the acceleration transmitted to the hand-arm system. The ... -
Study on the influence of Sonic Generator Geometry on Acoustic Parameters
(Universitatea "Dunărea de Jos" din Galați, 2010)The acoustical parameters, dimensional determination and construction of sonic generator is described in the paper. The generator’s dimensional determination and construction show that the nozzle slot, the axial resonator ... -
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, ... -
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. ... -
A Study Upon Traction Systems for Technological Machines with Auto Propulsion
(Universitatea "Dunărea de Jos" din Galați, 2003)This paperwork presents a comparison of traction systems used for heavy machines that needs to move on public roads. (construction devices, agriculture machines, etc.). Here are presented traction charts implemented on ... -
Technical-Economical Competitiveness of Food Industry
(Universitatea "Dunărea de Jos" din Galați, 2014)In the literature, different definitions of competitiveness exist. The EU Commission (2003) uses as a definition of competitiveness: the ability of an economy to provide its population with high and rising standards of ... -
Technological Design Optimization of an Industrial Centrifugal Fan
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)The paper aims to present a technological design optimization of an industrial centrifugal fan going through steps such as computer aided design CAD, simulation and analysis of elements of interest (CAE) and manufacturing ... -
Technological Optimization Process for "Differential Trunk" Component
(Universitatea "Dunărea de Jos" din Galați, 2012)This study aims to optimize the technological process of manufacturing the „differential trunk” component with NX7.5 software. Modelling the component was made in „ 3D” CAD, simulation was achieved with CAE finite element ... -
Teoretical Approach for the Control of the Make to Order Manufacturing System : Part 2
(Universitatea "Dunărea de Jos" din Galați, 2012)In practice, decisions on acceptance of order and production planning are often considered separately. Sales Department is responsible for accepting orders, while the production department in charge of production planns ... -
The 3D Assisted Design and Static Analysis of a New Type of Excavator ARM
(Universitatea "Dunărea de Jos" din Galați, 2013-10-01)The paper presents a new constructive solution of excavator arm that allows using the bucket with an increased degree of freedom The assisted design 3D permitted the optimization of execution model, checking the assembly ... -
The Analysis of the Bending Sprigs' Weight Influence on the Resonance Characteristic of the Elastical Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2007)The Analysis of the Bending Springs' Weight Influence on the Resonance Characteristic of the Elastical Mechanical Systems -
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 ... -
The Analysis of the Dynamic Response of the Hydrostatic Driving Systems in a Closed Circuit
(Universitatea "Dunărea de Jos" din Galați, 2002)The hydrostatic actions in a closed circuit were remarked in the action of the technological equipment both for achievement of translation motions with linear hydrostatic engines with bilateral stem and for rotational ...