1995-2015: Recent submissions
Afișează articolele 81-100 of 326
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Assessing and Controlling the Noise in Construction. Romanian and EU Legislation
(Universitatea "Dunărea de Jos" din Galați, 2008)Exposure to loud noises at work can cause irreversible hearing damage, workplace accidents and be a contributing factor to other health problems. Noise-induced hearing loss is the most common reported occupational disease ... -
Dynamic Analysis of Mechanical Systems. Calculus of the Equivalent Dynamic Forces and Torques
(Universitatea "Dunărea de Jos" din Galați, 2008)This article presents the physical and mathematical models of mechanical systems with elastical and/or rigid elements, subjected to dynamical loads: forces and torques. The aim of the study is to establish some formulas ... -
The Concept of Competitive Management for Manufacturing Systems
(Universitatea "Dunărea de Jos" din Galați, 2008)Competitiveness is a general characteristic of enterprises, ensuring their viability. In economic literature, competitiveness is particularly analyzed from an economic and managerial viewpoint, dealing with or not ... -
About the Free Parameter Vibrations of the Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2008)The oscillation movement of a mechanical non-linear system is not easy to solve exactly in an analytical way. The approximate solutions are based on different methods and give different values with different approximation ... -
Virtual Prototype for Simulation and Analysis of Traction Systems in Interaction with Roads
(Universitatea "Dunărea de Jos" dn Galați, 2008)This study deals with numerical simulation of an equipment with full hydrostatic driving system. Based on the clasical mathematical models - single degree of freedom and two degree of freedom models, it was developed a ... -
Characteristics of the Dissipative Hydraulic Joints
(Universitatea "Dunărea de Jos" din Galați, 2008)This paper analyses the theoretical and experimental characteristics of the hydraulic energy dissipaters used as dissipative joints for the mechanical structures subject to earthquakes, and vibrations. The paper allows ... -
Dynamic Model for Hydraulic Dissipaters
(Universitatea "Dunărea de Jos" din Galați, 2008)The paper deals with the problem of energy hydraulic dissipaters used as dissipative links for mechanical structures subjected to earthquakes, shocks and vibrations. The authors propose a mathematical model of a hydraulic ... -
Acoustic Absorption Coefficient Variationof Sound Absorbing Structures and Materials
(Universitatea "Dunărea de Jos" din Galați, 2008)The task of this work is the acoustic absorption coefficient variation study of sound absorbing structures and materials. Three construction equipments have been considered according to their different cabin design. ... -
The Impact of the Technological Equipment Vibration on the Environment
(Universitatea "Dunărea de Jos" din Galați, 2007)The shocks & vibrations generated by the operation of such tools, are conveyed to the foundation environment affecting both the near – by building safety and the comfort of the unit personnel and of the surrounding ... -
The Dynamics of the Rigid Body with Passive Hydraulics Linkages
(Universitatea "Dunărea d Jos" din Galați, 2007)The paper refers to the case of the rigid body subject to linkages materialised through linear hydraulics engines. We will settle the mathematic model of the rigid and will determine its kinetic and dynamic characteristics. ... -
The Impact of Occupational Noise on the Workers. Romanian and EU Legislation
(Universitatea "Dunărea de Jos" din Galați, 2007)Noise is most obviously a problem in industries such as manufacturing, mining and construction but it can also be an issue in a wide range of other working environments like energy, transports, call centers, schools, orchestra ... -
The Noise at Work and the Professional Diseases
(Universitatea "Dunărea de Jos" din Galați, 2007)This article describes the effects of workplace noise and outlines the main steps that should be taken to reduce and control noise at work. Exposure to noise at work can harm workers’ health. The most wellknown effect ... -
Working Characteristics of the Special Isolation Devices Against Vibratory Actions
(Universitatea "Dunărea de Jos" din Galați, 2007)The actual researches for finding optimal antiseismic protection solutions are straightening to the few areas of activity: the first area of research is the base isolation of buildings or theirs parts, against the ... -
Numerical Simulations of the Special Isolation Devices Against Vibratory Actions
(Universitatea "Dunărea de Jos" din Galați, 2007)In this paper the author use the physical and mathematical models for the antiseismic and antivibrational elastic systems and describe the dynamic behaviour of this systems, for the few types of the vital equipment - ... -
The Dynamic Modelling of the Mechanical Systems. Calculus of the Equivalent Mass and Equivalent Mass Inertia
(Universitatea "Dunărea de Jos" din Galați, 2007)This study presents the phases and the final result of the physical and mathematical models' elaboration of mechanical systems with elastical and rigid elements taking into consideration the equivalent mass and inertia. The ... -
Diagnostic of Structural integrity Using the Non-Linear Vibration
(Universitatea "Dunărea de Jos" din Galați, 2007)The aim of the work presented here was to investigate the possibility of using hangs in the non-linear vibration characteristics to detect damage in mechanical structure. The nonlinearities were detected by examining the ... -
Mathematical Models for the Whole Traction Mechanical System of the Technological Self-Propelled Machines
(Universitatea "Dunărea de Jos" din Galați, 2007)The paper achieves mathematical models of the integral traction mechanical system, that is the system achieved only with gearings organized in the transmission components , gearboxes, card differentials transmissions, ... -
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 Mechanical Low Frequency Signal Reconstruction by it's Spectral Components
(Universitatea "Dunărea de Jos" din Galați, 2007)This paper is a point of view of a new way of signal reconstruction through it’s spectral components. Sampling theory is analyzed from different perspectives, what means if for technical reasons the time can’t be sampled ... -
Dynamic Models for the Traction System of the Self-Propelled Machines
(Universitatea "Dunărea de Jos" din Galați, 2007)The work presents a classification of traction systems as a function of structure, the systems being classified into: integrally mechanical-tractional systems–STIM, mechanical-hydrostatical tractional -STMH and integrally ...
