116 articole găsite pentru „engineering”.
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VIRTUAL LABORATORY FOR DC SERVOMOTORS
Prof. Eng. Gheorghe BALUTA PhD, Prof. Eng. Radu PENTIUC PhD, Assoc. Prof. Eng. Cezar POPA PhD, Assoc. Prof. Eng. Crenguta BOBRIC, PhD, Assoc. Prof. Eng. Daniela IRIMIA, PhD
E-learning a introdus noi oportunitati de predare si invatare a ingineriei electrice. Aceasta lucrare prezinta arhitectura unui laborator de inginerie virtual, conceput pentru a permite controlul de la distanta a servomotoarelor de curent continuu, de curen…
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EFFECTS OF POWER LINE OPERATING CONDITIONS ON NEARBY GAS PIPELINES
Lecturer Eng. Denisa STET PhD, Assoc. Prof. PhD. Eng. Dan D. MICU, Eng. Levente CZUMBIL PhD Student, Eng. Liviu ANCAS
Obiectivul lucrarii consta in evaluarea tensiunilor induse intr-o retea de doua conducte subterane de transport a gazelor naturale, care impart un coridor de distributie comun cu o linie electrica aeriana de inalta tensiune (LEA-IT), cu scopul de a determin…
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THE WELDING TECHNOLOGY INFLUENCE ON THE DOUBLE T GIRDER BEAMS BUCKLING
dr. ing. Ioan-Sorin LEOVEANU, Assoc. prof. eng. Eva KORMANÍKOVÁ, PhD (Slovacia), Assis. prof. Eng. Kamila Kotrasová, PhD (Slovacia), Prep. drd. eng. Daniel TAUS
In domeniul ingineriei civile structurile de rezistenta metalice au o deosebita importanta in reducerea greutatii constructiei cu deosebire in cazul constructiilor inalte, a podurilor si a constructiilor cu scop industrial. Pentru a putea micsora cat mai mult…
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Anaerobic fermentation in experimental applications at small scale
Cioabla Adrian Eugen, Dumitrel Gabriela Alina, Ionel Ioana, Trif Tordai Gavrila
Lucrarea de fata va sublinia cativa parametrii specifici de proces (caracteristici generale, pH, temperatura) care implica influenta procesului de fermentare anaeroba a doua materiale biodegradabile diferite, grau degradat si coji de cartofi, in raport cu pot…
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PSYCHOLOGICAL TECHNIQUES OF CREATION APPLIED TO IDENTIFY NEW SOLUTIONS FOR COOLING A SLIDING CONTACT
Elena Daniela OLARIU, Dorel CERNOMAZU
Creativitatea si inovarea sunt necesare, in grade diferite, in toate activitatile de succes in inginerie. Studiul realizat are drept scop aplicarea unor tehnici psihologice de creatie in domeniul electrotehnicii, mai exact, in domeniul de racire fortata a con…
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CALCULATION OF DEVICES AND ELECTRONIC EQUIPMENT OWN NOISE (ACTIVE RC FILTER, RAUKH‘S CIRCUITS)
Valentin GUTU (Repunblica Moldova)
Actuala lucrare este dedicata metodei de calcul a zgomotului propriu al dispozitivelor si echipamentelor electronice de selectie a semnalelor prin frecventa. Drept obiect ale acestor calcule sunt utilizate filtrele active RC , in varianta practica schemelor …
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ALIAJE ECOLOGICE PE BAZA DE STANIU PENTRU APLICATII IN INDUSTRIA ELECTROTEHNICA
Dr. ing. Magdalena LUNGU, Ing. Nicolae STANCU, Dr. ing. Violeta TSAKIRIS, Fiz. Lucia LEONAT, Chim. Alexandra BRATULESCU, Fiz. Delia PATROI, Sorina MITREA, Mihai IORDOC, Aristofan TEISANU
Lucrarea prezinta rezultatele cercetarilor privind obtinerea prin turnare a unor aliaje ecologice de tip Sn-Bi-Sb pentru lipire moale in vederea inlocuirii unor aliaje toxice, cum ar fi cele din Sn-Pb 60-40 utilizate pana de curand. Folosirea Pb sau a materia…
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MODELLING AND CHARACTERIZING NEW MULTIPHASE POLYMERIC COMPOSITES AS MATERIALS FOR HEATING SYSTEMS
Assoc. Prof. D. Luca Motoc, PhD Mitu Leonard
Lucrarea prezinta o parte din rezultatele experimentale si cele predic ionate, utilizand conceptele micromecanicii, ob inute si vizate pentru una dintre proprietat ile de material importante in ceea ce prives te dezvoltarea de materiale i structuri destina…
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Masurarea zgomotului electronic ca element important al tehnologiilor avansate
Prof. univ. dr. ing. Valentin Gutu
In lucrare se argumenteaza alegerea procedeului de masurare a zgomotului electronic prin metoda modulatiei. Este propusa si practic construita o instalatie de masurare a zgomotului propriu al amplificatoarelor operationale – dispozitive, pe larg utilizate in …
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COMPARATIVE DISCUSSION ABOUT THE DETERMINING METHODS OF THE STRESSES IN PLANE SLABS
Codrin PRECUPANU, Dan PRECUPANU, Ștefan OPREA
In this paper it is presented the necessity of intense developing of the finite differences method, highlighted by the authors since the first Congress of Numerical Calculus in Bruxelles 1992, at the determining of the stress state in plane structural element…
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MEANS FOR QUALITATIVE AND QUANTITATIVE DESCRIPTION OF THE CARDIO-PULMONARY SYSTEM OPERATION WITHIN IRREVERSIBLE THERMODYNAMICS WITH FINITE SPEED
Stoian PETRESCU, Monica COSTEA, Liliana TIMOFAN, Valeria PETRESCU
Illness and aging are irreversible processes, which inevitably affects us all. The answers to the questions how, why, and how much irreversible are the cardio-respiratory system processes, will allow improved design of artificial hearts and lungs (vital “spar…
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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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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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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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APPILCABILITY PRINCIPLES OF THERMAL SPRAYING
Prof. Assoc. Eng. Mihaela POPESCU, Phd student Ibolyka BRAN, Dr. Eng. Radu Alexandru ROSU, Assist. Dr. Eng. Carmen OPRIS
Pulverizarea termica este un domeniu, folosit cu succes in ingineria suprafetei ,datorita versatilitatii si gamei largi de materiale de depunere utilizate (metalice, compozite,ceramice, aliaje cu memoria formei, cermeti). Se exemplifica interdisciplinaritatea…