439 articole găsite pentru „har”.
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CONSTRUCTIVE SOLUTIONS FOR VARIABLE COMPRESSION RATIO ENGINES
drd.Iig.Adrian GABOR
Se crede ca in viitorul apropiat, raportul variabil de comprimare (VCR) va furniza industriei auto o gama larga de strategii pentru a putea fi produse motoare puternice, cu un consum redus de combustibil, ceea ce va duce la autovehicule atractive care se vo…
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THE FUNCTIONING OF SOME TRANSDUCERS AND SENSORS INTENDED FOR ROBOTIZED LASER
Dr.Ing. Wolfgang Janssen (Germania), Dr.Ing. Nicolae Joni, Ing. EWE. Alexandru Joni
Ultima perioada a dus la cresterea accentuata a cercetarilor pentru dezvoltarea aplicatiilor industriale ale diferitelor procese de sudare cu laser. In mod special interesul s-a concentrat pe dezvoltarea echipamentelor necesare pentru cresterea adaptivitatii…
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TECHNOLOGY TRANSFER IN MECHATRONICS
Conf. dr. ing. Adrian Petru POP, ing. Leonard, MITU, ing. Horia, O. GEAMAN, prof. univ. dr. ing. Gheorghe BEJINARU
In prezent transferal tehnologic este esential pentru dezvoltarea stiintifica, tehnnologica si tehnica a natiunilor. Mecatronica reprezinta o ramura de varf a stiintei si tehnologiei. Transferul tehnologic in domeniul mecatronicii comporta aspecte privind: p…
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OPTIMIZAREA PERFORMANTELOR EDUCATIONALE PRIN MODELAREA SIMULATIVA A FLUXULUI DE PERSONAL, LA NIVELUL MICROSOCIAL AL UNEI FACULTATI
Dr. ec. Ramona Camelia PAUNESCU
Articolul isi propune sa aduca in atentia specialistilor necesitatea redefinirii unor concepte si introducerea unor concepte noi, astfel incat sa se asigure o intelegere clara, coerenta si interdisciplinara a oricarei organizatii ca sistem natural cu autoregl…
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Tehnologii avansate si echipamente de procesare a deseurilor vegetale utilizate pentru ecologizarea arealelor agricole si silvice
Cercet. st. pr. I dr. ing. Corneliu Cristescu
In articol se prezinta unele rezultate ale activitatii de cercetare-dezvoltare obtinute de INOE 2000-IHP si de parteerii sai, in directia promovarii tehnologiilor avansate si a echipamentelor de procesare a deseurilor vegetale, in scopul dezvoltarii unei agri…
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The physical and chemical structures by milk derivates
Florin M. Dumitrescu
Diferite proprietati fizico-chimice si mecanice ale margarinei, ca plasticitatea, vascozitatea, culoarea, gustul, aromele, punctul de topire, sunt similare cu ale untului de vaca natural, pe care il inlocuieste. In aceasta lucrare de cercetare a fost studiata…
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Determinarea grosimii copertei zacamantului de granodiorit Valea Lazului-Pietroasa, judetul Bihor, prin metoda sondajului electric vertical
Dr. ing. Christian Stanciu, Conf. dr. ing. Mihai MARINESCU, Ing. Sanda BUGIU, Asist. cercet. ing. Christian STANCIU
Obiectivele lucrarii de fata sunt reprezentate de elucidarea unei structuri geologice-tehnice complexe (depuneri deluviale de panta si grosimea rocii alterate pe un masiv granodioritic fractura) in vederea evaluarii rezervelor de granodiorit, a stabilirii uno…
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Applications and service integration of decision support systems using .net platform
Ilie Tamas, Radu Bucea-manea, Rocsana Tonis
In cadrul acestui articol vom discuta despre suportul oferit de platforma .NET pentru arhitectura orientata pe servicii (SOA). Pentru inceput vom face o scurta introducere a platformei .NET si apoi vom aprofunda caracteristicile si principiile de baza ale SOA…
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STABILIREA PARAMETRILOR SPECIFICI MĂSURĂRII ARMONICE A ELEMENTELOR GEOMETRICE ALE ANGRENAJELOR EVOLVENTICE PRIN SIMULARE NUMERICĂ
Drd. ing. Dănuț Iulian STANCIU, Dr. ing. prof. univ. Gh. GHEORGHE, Dr. ing. Daniela CIOBOATA
Măsurarea armonică a parametrilor geometrici a angrenajelor cu profil evolventic este o metodă mult mai rapidă decât metodele tradiţionale de verificare, cu o precizie suficient de mare să poată fi aplicată cu succes în industria producătoare de roţi dinţate …
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UPON ANALITICAL AND NUMERICAL CALCULUS OF THE MAIN PARAMETERS OF THE DETONATION PROCESS
Vasile NĂSTĂSESCU1,Ghiţă BÂRSAN
This paper presents some results of scientific research undertaken by the authors, regarding the numerical modeling of the detonation process, both the Finite Element Method (FEM) and the method of free particles, in version of Smoothed Particle Hydrodynamics…
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DYNAMICAL BEHAVIOR OF HARDWOOD SPECIES SUBJECTED TO CYCLIC BENDING STRESSES
Mariana Domnica STANCIU, Ioan CURTU, Adriana SAVIN
Hardwood species as beech, maple, cherry, alder are used in common application such furniture, musical instruments, ornaments in automotive construction, panels and floors. The stresses vary in time as intensity, duration and type. From this point of view, so…
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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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DISCOVERY OF “QUANTUM NUMBERS” IN THE CARDIOPULMONARY INTERACTION STUDIED IN THERMODYNAMICS WITH FINITE SPEED
Stoian PETRESCU, Valeria PETRESCU , Monica COSTEA, Liliana TIMOFAN, Silvia DANES, Georgeta BOTEZ
The paper proposes an extension of Thermodynamics with Finite Speed (TFS) to Biological Systems, with Cardio-Pulmonary System study as the first objective. It is an extremely important system in the functioning of any blood beings (including humans). For stat…
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STUDY REGARDING THE USE OF NEW SUSTAINABLE TEXTILE MATERIALS
Dorin VLAD, Alina Mihaela COLDEA, Diana COMAN
This paper presents a new eco-efficient way about using textile materials in order to minimize potential environmental impacts and human health. It also shows the advantages and the limitation of these materials. Because conventional textile production is one…
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MAGNETIC CHARACTERISTICS OF NON-ORIENTED SILICON IRON STRIPS OBTAINED THROUGH MECHANICAL, LASER, ELECTRICAL DISCHARGE AND WATER JET CUTTING TECHNOLOGIES
Horia GAVRILĂ, Veronica MĂNESCU (PĂLTÂNEA), Gheorghe PĂLTÂNEA, Gheorghe SCUTARU, Ioan PETER
The increase of the asynchronous motors efficiency may be usually made by decreasing the total energy losses in the magnetic circuits. Non-oriented silicon iron (NO Fe-Si) sheets are soft magnetic materials with a nearly isotropic grain texture. They are used…
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THEORETICAL CONSIDERATIONS ON THE MICROMECHANICS COMPOSITE MATERIALS
Constantin D. STǍNESCU, Doina TǍRǍBUŢǍ (ENE),Mariana PǍTRAŞCU (ANTONESCU, Melania TĂMAȘ
the efficiency of a composite material is distinguished by the top level of the technical characteristics and its properties. For their study, it appeals to a number of considerations, such as: minimum dimensions of the primary elements of reinforcement secti…
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THEORETICAL RESEARCH ON THE MODELING OF CHARACTERISTICS OF COMPOSITE MATERIALS
Constantin D. STǍNESCU, Doina TǍRǍBUŢǍ (ENE),Mariana PǍTRAŞCU (ANTONESCU), Melania TĂMAȘ
the two components of the composite material, i.e., the matrix and the wire, take the requests differently compared with their rigidity. The way the force applied is taken over by composite components and their structural deformities depend on the connection …
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THE PARADIGMS OF CHEMICAL ENGINEERING
Alexandru WOINAROSCHY
It is presented the chemical engineering development, as guided by its four main paradigms: unit operations, transport phenomena, product engineering and sustainable chemical engineering. The starting point is the paradigm definition as “a set of assumptions,…
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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…