28 articole găsite pentru „transformation”.
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ELECTROMECHANICAL ENERGY CONVERSION AND
STORAGE SYSTEMS
Prof. Eng. Corneliu BOTAN, PhD, Eng. Dumitru CUCIUREANU,Eng. Florin Tiberiu PAL, Eng. Florin OSTAFI, PhD
Lucrarea se refera la sisteme electromecanice de conversie si stocare a energiei. Se au in vedere doar sistemele care folosesc strict conversia electromecanica a energiei, fara a considera si alte forme de energie. Sunt punctate o serie de similitudini in c…
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ANALYSIS OF THE LINK BETWEEN THE HEAT
SOURCE AND MICROGRAPH FOR A SHAPE
MEMORY ALLOYS CU-Zn-Al
C. BUBULINCA (Romania), X. BALANDRAUD2,M. GREDIAC (Franta), S. STANCIU (Romania), G.A. PLAIA?U, M. ABRUDEANU (Franta)
In acest articol este prezentat studiul unor aliaje cu memoria formei pe baza de cupru, numite Cu-Zn-Al, care sunt supuse la tractiune mecanica ciclica. Testele de tractiune sunt executate in conditii normale de temperatura si presiune. Scopul acestui artic…
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CONSIDERATIONS ON THE EVOLUTION OF COMPETITIVE ELECTRICITY MARKET IN ROMANIA
Eng. Pavel ATANASOAE, PhD
Eforturile pentru integrarea pietei de energie electrica din Romania in piata europeana de energie electrica unica au provocat transformari profunde ale pietei de energie electrica din tara noastra. Piata de energie electrica este compusa din piata reglemen…
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OBJECT-RELATIONAL MAPPING OF MULTIDIMENSIONAL DATA
Rocsana TONIS, Radu BUCEA-MANEA
In acest articol se prezinta principalele reguli de modelare si transformare a depozitelor de date in colectii ierarhizate de obiecte. pe baza acestora am dezvoltat un serviciu care permite preluarea datelor, din orice tip de sursa si alocarea dinamica in s…
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Enzymes in the brewing process
Botis Nistoran Mihaela
In procesul de fabricare a berii, enzimele au un rol important, in special amidonul din aluat, care genereaza unele transformari in timpul procesului de zaharificare. Lucrarea analizeaza principalele procese si enzime care au un rol important pentru aceste tr…
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EFFICIENT COMPUTATIONS WITH STRUCTURED MATRIX PENCILS IN AUTOMATIC CONTROL
Vasile SIMA
There is a continuous research effort worldwide to improve the reliability, efficiency, and accuracy of numerical calculations in various domains. One of the most promising research avenue is to exploit the structural properties of the mathematical problems t…
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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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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…