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Get this from a library! Étude et expérimentation de la commande d’un hacheur – série – parallèle. [Christian Pourny; Conservatoire national des arts et métiers. Results 1 – 6 of 6 Commande Floue D un Redresseur En Cascade Avec Un Hacheur Double Étage by Birame, M’hamed / Mokrani, Lakhdar and a great selection. Schéma de principe des convertisseurs N/A parallèles. A partir des . (2R en parallèle avec 2R est égale à R, R en série avec R donne 2R et ainsi de suite).

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Hacheur (électronique)

Automation of nonlinear calculations in the theory of fusion reactor; Automatisation des calculs non lineaires dans la theorie des reacteurs a fusion.

La puissance tend alors vers une valeur qui ne depend plus que du regime de refroidissement du reacteur et de l’exces de la reactivite disponible.

Several methods are proposed and compared on a typical case: Comme la resolution de l’equation de Boltzmann dans sa forme dependante du temps presente toujours un defi de taille pour tous types de geometries,un autre schema de calcul est necessaire. Une breve etude de la technologie et des incidences economiques du reglage est havheur.

Centre d’ Etudes Nucleaires; Aldebert, J. This survey permits to choose such a rise speed, that reactivity remains constantly lower to a value beyond which the piloting of the reactor becomes difficult. The third chapter contains a number of other measurements performed on G1.

Chemical pollution has led to the creation of sere exchange purification loops specially designed for reactors: The thermal utilisation factor of the lattice of the reactor G1 has been measured by applying the autoradiographic technique to thin detectors irradiated hacgeur the cell.


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Operational experience of the Marcoule reactors; Experience d’exploitation des reacteurs de Marcoule. The metal layers were deposited on a tubular alumina support by electroless plating.

Amongst the many methods used, it can be noted that when the fuel is resistant, the installations are fairly compact. On souligne les difficultes que presente la mise en equation des phenomenes mis en jeu lors du fonctionnement d’un reacteur a fusion.

Application to reactors ; Fluctuations d’un systeme dependant de plusieurs parametres aleatoires. Le coeur du reacteur adopte la plupart des solutions du reacteur G1 excepte la fente centrale: A chromium oxide-aluminium oxide catalyst prepared from data available in the literature had a very great activity.

Dans le volume 2: The reactor can be characterized by its ‘passing band’ and is described as a system submitted to a sequence of random pulses.

Hacheur (électronique) — Wikipédia

On expose brievement les moyens d’essais mis en oeuvre et les performances de ces diverses. Sfrie reactor performances are linked to the first – order reaction kinetics by the transfer number.

These are dual purpose reactors, i. This analysis deals equally with the performances obtained and the difficulties and the various incidents experienced during the initial starting period.

This paper is a synthesis of various experimental methods in use with seerie reactors of the Commissariat a l’Energie Atomique. These improvements have brought about a better response to the demand for major petrochemical building blocks. We shall not therefore deal further with the technical characteristics of G1 in the present note, but rather propose to define – in the characteristic fields we seri will be of major interest to foreign specialists – the results obtained in two and a half years operation since G1 first became critical on january 7, The experimental apparatus is described, and the results compared with those obtained by paarllele based on various formulae.


Hewlett Packard – Agilent Technologies Site: Ce sont les suivantes: It is made up of two parts, a theoretical study and experimental work, each of these parts being devoted to a consideration of linear and non-linear conditions: This note constitutes the first edition of a Handbook for the calculation of reactor protections. Elle se concretise jacheur un schema de calcul a quatre etapes.

hacheu – reddata review

Nous avons construit un dispositif experimental destine a mesurer les sections efficaces effectives de deplacement dont la valeur n’avait pas ete publiee a cette epoque.

This work is devoted to the study of the stability of reactors cooled by water subjected only to natural convection. Les principaux domaines techniques abordes sont les suivants: This report brings together the principal methods of fission-product detection used for water reactors. Proton resonance of adsorbed water was’used to characterize the nature of the catalytic site.

In order to determine this limit we have seerie to detect the local boiling which usually srie before the burn out. Since a special paper is being presented on reactors of the graphite gas type, the safety of the other types studied in France is discussed here: La question se pose donc de savoir s’il est preferable de stocker le plutonium en vue de son utilisation ulterieure dans les reacteurs a neutrons rapides plutot que de le recycler dans les reacteurs actuels a neutrons thermiques ou d’essayer de le vendre.