1.774 articole găsite pentru „om”.
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SUSTAINABLE DEVELOPMENT THROUGH PHOTOVOLTAIC ENERGY
Mihai CRENGANIS, Octavian BOLOGA
Our paper presents general aspects regarding renewable energy and its technologies. We are summarizing the characteristics of the photovoltaic energy. Also the paper describes the main components of a 24 MW photovoltaic project around Sibiu city. The goal of …
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RESULTS REGARDING MONITORING OF THE RISKS IN THE ROMANIA-BULGARIA CROSS-BORDER AREA
Gheorghe MANOLEA, Laurențiu ALBOTEANU, Constantin ȘULEA
In the period 2011-2014 was developed the cross-border project RO-BG MIS ETC 166 ”Joint Risk Monitoring during Emergencies in the Danube Area Border ”.The objectives were:1. Conceiving and realization of photovoltaic system for anti-hail units power supply sy…
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NEW CONCEPTS FOR INCREASING THE BUILDINGS ENERGY EFFICIENCY
Anca DUTA, Ion VISA, Macedon MOLDOVAN, Mihai COMSIT
The efficient use of energy is a compulsory step towards sustainable development. Regardless the source (fossil fuel or renewable), energy consumption should be efficient to protect the resources and to lower the overall costs. This is particularly valid for …
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NOI TEHNOLOGII CRIOGENICE APLICATE ÎN ROMÂNIA
Alexandru ŞERBAN
Criogenia tehnică are ca obiect dezvoltarea și perfecționarea tehnicilor de obținere a temperaturilor foarte scăzute, procese și echipamente. In contrast cu fizica temperaturilor joase, criogenia tehnică se ocupă cu utilizarea fenomenelor care au loc la tempe…
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IMPLEMENTING THE TRAM-TRAIN SYSTEM FOR PUBLIC TRANSIT, THE KEY TO AN EFFICIENT MOBILITY IN THE WESTERN DEVELOPMENT REGION AND DKMT EURO-REGION
Radu RADOSLAV, Mihai-Ionuț DANCIU
The world urban population growth brings challenges that concern every one of the three components of the organic growth: economic, social and ecologic (Little D., Arthur, 2014). Their development will induce the necessity to assure extremely effective mobili…
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ASPECTE PRIVIND PERIOADA DE ÎNLOCUIRE A FILTRELOR DE AER PENTRU AUTOMOBILE PE BAZA STĂRII LOR TEHNICE
Marius TOMA, Cristian ANDREESCU, Niculae NEGURESCU
Sistemul de alimentare cu aer al motorului este principala sursă prin care impuritățile ajung la nivelul cuplelor cinematice ale motorului. Protejarea motorului se face prin înlocuirea periodică a filtrelor de aer. Stabilirea duratei de utilizare este o probl…
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THEORETICAL RESEARCHES ON THE STRESS STATE AT VIBRO-DRAWING
Octavian BOLOGA
The paper contains the mathematical modelling of the stress state at vibro-drawing for the case of introducing the vibrating motion on axial direction, by means of the punch, into the drawing die. Starting from the definition of the total radial stress as sum…
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EDUCATION, TRAINING AND SOCIAL INCLUSION
George BĂLAN, Larisa DRAGOLEA
The core element of the society, the element of great importance for all components of the socio-economic system, is education. Education is that which should give the young the ability to perceive the essence (' what ') you should give them the freedom to li…
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TACKLING EMERGING OCCUPATIONAL RISK LANDSCAPE: PROSPECTS AND CHALLENGES
Nicolae ILIAŞ, Roland Iosif MORARU, Mihai POPESCU STELEA
This article is aimed at analysing and summarizing significant information which are available regarding the basic issues of common concern, across Europe and worldwide, regarding the so-called emerging occupational risks, in terms of bodies responsible for p…
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STRATEGII ÎN EDUCAREA ŞI FORMAREA STUDENŢILOR LA DISCIPLINA REZISTENŢA MATERIALELOR
Garabet KÜMBETLIAN
Am predat cursul de Rezistenţa Materialelor începând cu anul 1967 în învăţământul liceal şi de subingineri şi cu anul 1973 în învăţământul superior, studenţilor electromecanici ai Institutului de Marină din Constanţa. Am scris şi publicat primele mele cursuri…
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EFFICIENT METHOD FOR REDUNDANCY RESOLUTION OF A 7 DOF MANIPULATOR
Mihai CRENGANIS, Octavian BOLOGA
In this paper we are presenting a method to solve the inverse kinematics problem of a redundant manipulator with seven degrees of freedom and a human like workspace based on mathematical equations, Fuzzy Logic implementation and Simulink models. For better vi…
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Simpozionul National Interdisciplinar
„Stiinta si arta – interferente
si complementaritate”, 20 martie 2015
Ing. Nicolae FILDAN Membru al Consiliului Director AGIR Presedinte Sucursala AGIR Constanta
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Progresul tehnologic si utilizarea navelor fara pilot
Ing. Neculai Banea, Dr.ing. Dragos Popa, Ing. Tudor-Mihai Tomescu (Germania), ing. Traian Tomescu
Lucrarea prezinta unele aspecte privind dezvoltarea pietelor pentru aeronavele fara pilot UAV pentru perioada 2012 - 2022
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EDITORIAL
Prof. dr. arh. Emil Barbu POPESCU, Preşedinte al Universităţii de Arhitectură şi Urbanism "Ion Mincu" (UAUIM) şi vicepreşedinte al Secţiei de Construcţii şi Urbanism a Academiei de Studii Tehnice din România (ASTR)
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EDITORIAL
Ing. Traian TOMESCU Membru al Consiliului director al A.G.I.R., Presedintele Sucursalei A.G.I.R. Brasov Vicepresedinte al Asociatiei Aviatorilor Brasoveni
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AN ANALYTIC METHOD FOR TWO-PORT PASSIVE NETWORK
COMPUTING FOR ANALYSIS OF COUPLED OSCILLATORS
Mihai IORDACHE, Lucia DUMITRIU, Lucian MANDACHE, Dragos Niculae, Jean-Marie PAILLOT (Franta), David CORDEAU (Franta)
Voltage controlled oscillators are present in the most of the digital communication system. In our days, they are used to control the phase in microwave antenna arrays. Researches are made so that a particular phase shift can be obtained by choosing the fre…
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COMPUTER ASSISTED SIMULATION OF MARKET SHARES
FOR COMPETING PRODUCTS USING MARKOV CHAINS
Radu BUCEA-MANEA-TONIS, Rocsana BUCEA-MANEA-TONIS
Article implements Markov chains in prediction of market shares for competing products, in a given time horizon. Practical approach is implemented in C code, recursively generates transition probabilities to determine the limit vector ?. The case study is pe…
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POWER SYSTEM OPERATION IN A CHANGING
ENVIRONMENT
Walter Sattinger (Elvetia)
Currently worldwide all power systems are faced with dramatically changes. After restructuring the system operation due to unbundling and deregulation and related high volatility of power flows at the level of transmission, we can observe substantial change…
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VECTORIAL PROBABILISTIC MODEL FOR THE UNBALANCE
FACTOR OF A THREE-PHASE ELECTRICAL NETWORK
Lambert Pierrat (Franta)
In a three-phase power electrical network, the voltage asymmetry can be split into two different components. The first component results from the network structure and possesses almost constant value caused by asymmetry of circuit elements (e.g., lines, tra…
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MODERNIZATION ELECTRIC SUBSTATIONS 110/20 KV
Eng. Florin DRACEANU PhD, Assoc. Prof. Eng. Cezar Dumitru POPA PhD, Assoc. Prof. Eng. Dumitru Radu PENTIUC PhD, Assoc. Prof. Eng. Leon MANDICI PhD
The subjects ”connection to the national energy system installations producing renewable electricity " is topical and of great importance for future managers of wind power, photovoltaic, biomass cogeneration. Economic situation in Romania also influence the…