296 articole găsite pentru „results”.
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RESEARCHES ON IMPROVING THE MANUFACTURING ACCURACY OF CNC CUTTING MACHINES
Cristina BIRIŞ, Octavian BOLOGA, Claudia GÎRJOB
This paper presents the experimental researches results carried out to optimize the dynamic behaviour of a NC machine-tool regarding the cutting precision. The aim is to detail the influence of the numerical control equipment setup on the size of the contouri…
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NEW RESEARCH ON COMPOSITE MATERIALS AT THE METAL FORMING RESEARCH CENTRE
Claudia GÎRJOB, Octavian BOLOGA, Gabriel RACZ, Cristina BIRIS
The Metal Forming Research Centre functions as separate research unit within "Lucian Blaga" University of Sibiu, Romania. This is one of the first centres of its kind in Romanian higher education system and emerged under the aegis of the European inter-univer…
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CONTROL AND COORDINATION OF ECONOMIC AND INTELLECTUAL ACTIVITIES BY INTEGRATED COMPLEX STRUCTURES
Constantin MARIN
This paper belongs to the category of research for the development and implementation of heterogeneous structures they apply favorable inclusion of the human factor for control and coordination of complex activities from various fields: economic, intellectual…
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SOME ASPECTS CONCERNING THE DURABILITY OF SERVICE AND DEVELOPMENT IN THE BUILDING SECTOR
Horea SANDI
The paper is aimed to present some ideas on the connection between the strategies of development of a safe and reliable infrastruacture as a whole and the components pertaining to the built environment. After a brief look on the development of methods of stru…
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HIGH PERFORMANCE MAGNETIC DEVICES BASED ON NANOCRYSTALLINE MATERIALS
Andrei MARINESCU Horia GAVRILA, Ionel DUMBRAVA
During the last two decades remarkable advances occurred in the field of semiconductor devices and smart systems, by their miniaturization and performance increase. Consequently, the reduction of equipment energy consumption and dimensions has resulted. A maj…
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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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NEARLY ZERO ENERGY BUILDING CONCEPT, ENERGY DESIGN PARADIGM FOR NEW BUILDINGS AND FOR RENOVATING EXISTING BUILDINGS
Dan CONSTANTINESCU, Gabriela CARACAŞ
The paper focuses on the new concept of Nearly Zero Energy Building – NZEB, which should lead, in time, to reducing the fossil energy consumption and to the protection of the natural and built environment. The NZEB concept, as defined by the European Directiv…
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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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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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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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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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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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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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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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CARACTERISTICI MECANICE ALE MATERIALELOR COMPOZITE IN DOMENIUL AERONAUTIC
Dr. ing. Dorin ROSU, Ing. Traian TOMESCU, Ing. Tudor TOMESCU (Germania)
Lucrarea prezinta aspecte teoretice si rezultate originale ale incercarilor unor materiale compozite, realizate la Brasov. Datorita proprietatilor inalte mecanice ale compozitelor pe baza de fibre de carbon cu rasini epoxidice, acestea au capatat aplicatii …
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EFFECT OF CHLORIDE IONS SOURCE ON CORROSION OF REINFORCED NORMAL AND HIGH PERFORMANCE CONCRETE
PhD, Assist. Prof. Tareq Salih AL-ATTAR, MSc, Lect. Mustafa Sameer ABDUL-KAREEM
The aim of this paper is to investigate the influence of chloride ions source on corrosion of steel embedded in different types of concrete. The experimental part consisted of: chloride content analysis, rapid chloride permeability test (RCPT), and linear pol…