2.252 articole găsite pentru „in”.
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ANALIZA COMPORTĂRII DINAMICE A DISPOZITIVELOR ANTISEISMICE SCHEMATIZATE CA MODELE REOLOGICE COMPLEXE
Polidor BRATU
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INTERNAL RESONANT TRANSFORMER WITH DISTRIBUTED OPEN MAGNETIC CORE
Andrei MARINESCU, Aurelia SCORNEA, Ionel DUMBRAVA
The on-site dielectric tests on cables and high power electric machines requires the achievement of some medium voltage testing facilities with reduced dimensions and weights, allowing the compensation of the important reactive energy required by the own capa…
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DETERMINATION OF THE OPTIMAL MATERIAL FOR PERMANENT MAGNETS USED IN THE MANUFACTURE OF HIGHPOWER AUDIO DEVICES
Constantin D. STĂNESCU, Liliana CĂINICEANU
Crowded permanent magnets of NdFeB -type have the superior properties to those intered as shown by the magnetic circuit modeling using finite element method (FEM). Determination of the optimum material for magnetic circuit of high power audio devices is a com…
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MÖSSBAUER EFFECT INVESTIGATION OF FE-C STEEL ELECTROLYTIC GALVANISATION
Ion BIBICU, Caius BULEA, Vasile RUS
Galvanizing is a very well known industrial process for anticorrosive and protection coatings. At first sight, galvanizing should not need any further important research and development involvement but many reasons contradict this appreciation: the constant e…
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A SOLUTION FOR CARBON DIOXIDE STORAGE AND COAL BED METHANE BENEFICIATION IN JIU VALLEY COALFIELD
Dorel ZUGRAVESCU, Nicolae ILIAS, Iosif ANDRAS, Sorin Mihai RADU, Iosif GRUNEANTU, George TESELEANU (Italia), Inga ROSIORU, Chiril GEORGE, Tiberiu IACOB-RIDZI, Cristian TOMESCU
The paper deals with a proposal of an integrated project for CO2 storage coming from the coal burning power plants and a joint CH4 (so called CBM) recovery and its valorization in energetic applications which will lead to a substantial reduction of the delive…
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NEW APPROACHES ON THE ENERGY STORAGE TECHNOLGIES IN ROMANIA
Ioan ȘTEFĂNESCU, Mihai VARLAM, Elena CARCADEA
Critical issues related to the availability of energy sources and their efficient use has quickly become vitally important. Population growth combined with growing demand for energy and materials in order to increase the standard of living is actually the mai…
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OSCILLATIONS OF LARGE AMPLITUDE OF A RIGID SPHERE IN A VISCOUS FLUID
Sorin BERBENTE, Corneliu BERBENTE
One considers the oscillations of large amplitude of a pendulum made of a rigid sphere suspended by a cylindrical bar articulated in a fixed point. The motion is two-dimensional and takes place in in a viscous fluid of variable density, initial at rest. The s…
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THE EXERGY ANALYSIS OF THE INDUSTRIAL SYSTEMS
Ilie SIMINICEANU
This paper deals with the exergy analysis of a nitric acid plant with ammonia oxidation at normal pressure, and chemical absorption at a pressure of 5 bar (1/5 process).The exergy balance model established previously for open chemical systems, and the corresp…
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ARE THE STATIC POWER CONVERTERS
ENERGY EFFICIENT?
Ion POTÂRNICHE, Cornelia POPESCU, Mina GHEAMALINGA
The power static converters, products used intensively in industrial applications of type as energy conversion, traction, equipment and lifting equipment structure and others, are characterized through two validates abilities in the industrial practice: utili…
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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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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 PID CONTROLLER FOR A MOBILE PLATFORM
Mihai CRENGANIS, Octavian BOLOGA
This paper presents the steps taken to develop and tune a PID controller for a mobile platform built in the Department of Industrial Machinery & Equipment, of the Engineering Faculty of Sibiu. In a first phase, a brief description of the mobile robot is prese…
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AUTOMOBILUL ELECTRIC – UNA DINTRE SOLUŢIILE MOBILITĂŢII DURABILE
Nicolae VASILE, Gabriela TEODORESCU, Călin OROS,Ioan-Corneliu SĂLIŞTEANU
Deşi utilizarea unor expresii referitoare la economie, care să cuprindă cuvântul „durabil”, există încă din antichitate, sensul actual al noţiunii de „Dezvoltare durabilă” este relativ nou. Conceptul de dezvoltare durabilă înseamnă acel mod de dezvoltare care…
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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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ON THE GRADUATE MODEL OF THE COMMAND OFFICERS OF THE ROMANIAN LAND FORCES
Ghiţă BÂRSAN, Vasile NĂSTĂSESCU1, Marioara PATEŞAN, Luminiţa GIURGIU
The paper presents the results of the scientific research undertaken by the authors regarding the way the graduate model is implemented in the training process for command officers. Introduction of the new curriculum in the military academies has resulted in …
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DEVELOPING A MOBILE PLATFORM FOR EUROBOT 2015
Mihai CRENGANIS, Octavian BOLOGA
This paper presents the steps taken in the development of a mobile platform built in the Department of Industrial Machinery & Equipment, of the Engineering Faculty of Sibiu. In a first phase, a brief classification of mobile platforms is presented, followed b…
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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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Workshop-ul naţional „Cercetare şi expertiză inginerească la Constanţa” – ediţia a doua,
28 noiembrie 2014
Ing. Nicolae FILDAN Membru al Consilui Director AGIR Președinte Sucursala AGIR Constanța
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Dimensionarea turnurilor de racire umede in contracurent pentru regimul normal de functionare
Vlad Gabriel Dumitru,Nicolae Baran, Ioana Corina Moga, Elena Laura Moga