742 articole găsite pentru „CAN”.
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Aplicatii civile cu GPS
Lect. univ. drd. ing. Iustin Andronie, Asist. univ. drd. ing. Mihai Andronie
Reteaua de sateliti GPS si sistemele GPS au devenit un lucru obisnuit in viata de zi cu zi. Aplicatiile sunt dintre cele mai diverse, de la cele din domeniul militar, determinarea limitelor terenurilor, navigatie comerciala, pina la cele pentru uzul persoanel…
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Standardizarea proceselor si a activitatilor in organizatiile industriale prin implementarea sistemului de fabricatie LEAN
Dr. ing. Daniel D. Georgescu
Aceast articol exploreaza un sistem echilibrat de standardizare si control care poate fi denumit ca "noua standardizare" sau standardizarea lean. Necesitatea dezvoltari unui sistem legat de masuri si de standarde care va directiona o companie spre un viitor p…
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Influenta dozajului de ciment asupra performantelor betoanelor refractare
Nicolae Angelescu, Cristina Ionita
Obiectivele prezentei lucrari reprezinta realizarea unor betoane cu dozaj redus de ciment si continut ridicat de alumina (pina la 90%). Proprietatile betoanelor refractare depind de dozajul de ciment, de aceea, o scadere a dozajului de ciment din betoane de l…
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Elaborarea unei colectii de produse de incaltaminte prin structurarea familiilor de modele
Ing. Mariana Pastina, Conf. dr. ing. Aura Mihai, Ing. Stan Mitu
In cadrul acestei lucrari se propune o metodologie de structurare ierarhica a unei familii de modele, pornind de la un model de baza. Modelul de referinta precum si modelele dezvoltate in cadrul colectiei au fost proiectate interactiv, cu ajutorul sistemului …
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New technologies of precise electrometry
Prof. dr. ing. Michael N. Surdu (Ucraina)
Noua abordare a problemei de crestere a preciziei de masurare a cantitatilor electrice este descrisa. Aceasta abordare se bazeaza pe variatiile de influenta a surselor de incertitudine la rezultatul masurarii. De obicei modelul matematic descrie rezultatul m…
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Proiectarea bazata pe performanta. Consolidarea cladirilor vulnerabile seismic.
Drd. ing. Adrian Manolache, Prof. dr. ing. Mircea Ieremia
De o buna perioada de vreme, a aparut cu prioritate in multe tari cu risc seismic ridicat necesitatea evaluarii vulnerabilitatii constructiilor existente. Aceasta evaluare este necesara pentru a stabili consecintele producerii unui seism intr-o anumita zona s…
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Energetica nucleara romaneasca si integrarea ei in politica energetica a uniunii europene la nivelul anului 2010
Ing. dipl. Petre Repcaru
Lucrarea are caracter documentar privind tehnologia vest-europeana (UE) in domeniul centralelor nuclear-electrice, informind pe intelesul tuturor atit opinia publica cit si factorii de decizie din Romania asupra superioritatii eficientiei economice a acesteia…
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ASPECTE PRIVIND REABILITAREAMODERNIZAREA INSTALAŢIEI DE ILUMINAT DINTR-UN ATELIER DE MECANICĂ AUTO
Emilia DOBRIN, Ştefan PAVEL, Bogdan PASCU
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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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RISK MANAGEMENT IN ECONOMY: PROBLEMS AND SOLUTIONS
George DOGARESCU, PhD, MBA
Risk identification process is the most important in the management of risk. Where a risk is not identified correctly, the risk manager will not be able to quantify it and to find the appropriate method of countering the significant results of exposures. In r…
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PROIECTAREA ECHIPAMENTELOR SUB PRESIUNE CU CONSIDERAREA DETERIORĂRII PRODUSĂ DE FISURI
Valeriu V. JINESCU1,Vali-Ifigenia IORDĂCHESCU (NICOLOF)
Din procesul de fabricare rezultă microfisuri şi defecte în echipamentele sub presiune (EP). În prezent proiectarea echipamentelor sub presiune constă în: - proiectarea EP fără fisuri pe baza metodei analitice sau/şi a metodei cu elemente finite; - analiza ru…
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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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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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A SOCIO-ECONOMIC REGULARITY ESTABLISHED BASED ON AN ANALOGY WITH THERMODYNAMIC PROCESSES WITH FINITE SPEED - An Equation for Standard of Living -
Ioan GANEA, Adrian S. PETRESCU, Liliana TIMOFAN , Stoian PETRESCU, Monica COSTEA
This paper proposes a quantitative description of the flows of energy, mass and information in a country, based on recently developed concepts in Thermodynamics with Finite Speed. An equation for Standard of Living is derived. As shown in the ‘70 by Georgescu…
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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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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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CURRENT RESEARCH DIRECTIONS IN BUILDING PHYSICS IMPROVING PERFORMANCE LEVELS FOR NEW OR RENOVATED BUILDINGS
Adrian RADU, Maricica VASILACHE, Marian PRUTEANU
In the present climatic, social and political conditions, the EU energy independence is emerging as a priority. Therefore, it set new levels of thermal protection minimum required and adapting buildings architecturally to achieve a maximum of energy efficienc…
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INCREASING SUSTAINABILITY OF THE HOUSING STOCK BY AVOIDING DAMAGE CAUSED BY THE SOIL-STRUCTURE RESONANCE
Dinu BRATOSIN
In any dynamic system, the coincidence between natural period and excitation period (the resonance) lead to extremely large dynamic amplification. For example a linear system with damping of order 25% the dynamic amplification factor has values between d…
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POSSIBLE MEASURES OF TAKING-OVER/ DYNAMIC CONTROL OF SEISMIC ACTIONS APPLICABLE TO URBAN UTILITY SYSTEMS. SEISMIC WAVES DEFLECTION/ DAMPING USING METAMATERIALS
Bogdan UNGUREANU, Gabriela M. ATANASIU, Victoria COTOROBAI
Nowadays, an accurate seismic prediction regarding the date, location and magnitude is still a challenge, thing that implies taking into consideration efficient, preventive, seismic risk management measures, not only for civil buildings but also for urban uti…
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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…