• No Comments

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).

Author: Nagami Mikashura
Country: Zimbabwe
Language: English (Spanish)
Genre: History
Published (Last): 12 July 2014
Pages: 98
PDF File Size: 18.58 Mb
ePub File Size: 1.92 Mb
ISBN: 739-2-67229-785-2
Downloads: 42663
Price: Free* [*Free Regsitration Required]
Uploader: Fesar

Une methode de reglage, basee sur l’emploi d ‘une courbe enveloppe des courbes de flux possibles, serue donnee. Dans tous les cas, les resultats sont compares aux valeurs obtenues par un autre type d’experience ou par le calcul. It is intended in the future to determine the influence of various parameters on this characteristic frequency. Finally, some bibliographic data relative to hacheru properties of the two forms setie hydrogen, their measurement, and the different mechanisms of interconversion are given.

The analytical method employed is a paralelle measurement of the thermal conductivity of the gas. For constant residence time, the allene conversion does not vary with pressure and feed flow rate, which confirms that the string reactor allows one to perform catalytic tests with such a fast reaction without external mass transfer resistance. The first French plutonium-making reactors G1, G2 and G3 built at Marcoule research center are linked to a power plant.

The methods paraallele have proved practicable as a result of important research and developments on automatic remote control for all the operations which make up the sequences of mounting, demounting and repairing of the construction components. The comparison of the results obtained by these various methods has allowed their validity to be tested and precise conditions of use to be given.

Notes on a homogeneous reactor project; Idees sur un projet de reacteur homogene.

reacteurs catalytiques membranaires: Topics by

Dans cette fonction de transfert, les hqcheur r et p variable de Laplace demeurent groupees dans une fonction de Bessel modifiee. RF Solution ltd Site: The importance is stressed of the security action and regulations which, added to the precautions taken for the construction, ensure the safety of the installations.

On pparallele etabli un modele de variation continue du taux de vide dans un ef. Centre d’ Etudes Nucleaires. Finally the application of these calculations is given, together with the approximations necessary in the case where, because of the presence of several components in each phase, the exchange reaction no longer obeys a single kinetic law.


Les deux premiers dangers sont habituels et peuvent etre traites grace aux regles de securite en usage dans l’industrie atomique.

Hacheur (électronique)

The level is stabilized by means of a regulating system. A short study on the technology and the economical advantage of this adjustment is presented. Cependant, lorsqu’on associe une turbine a contrepression a un reacteur et qu’il est possible d’utiliser dans de bonnes conditions la chaleur residuelle, on peut montrer que dans certaines conditions assez realistes, des equipements nucleaires d’une puissance unitaire peu elevee peuvent etre competitifs avec des equipements conventionnels.

Par contre dans les reacteurs a surchauffe nucleaire l’etude du comportement du combustible necessite des installations plus importantes. The main original points: Entourant le reacteurse trouvent un certain nombre de ‘canaux boucles’ comprenant chacun: Les phenomenes d’evolution du combustible tiennent une place importante dans l. The general diagrams of the safety assemblies which have been drawn up for two types of reactor power reactor and low power experimental reactor are given.

Thus, with complex geometries, the influence of hydrodynamics on the effectiveness of the catalyst bed cannot be taken into account.

Concept of transfer functions for a nuclear reactor; Notion de fonction de transfert pour un reacteur nucleaire. Transient cookies are kept in RAM and are deleted either when you close all your browser windows, or when you reboot your computer.

The paper describes the basic structural features of the reactor and the results of the experiments for which it has been used. On etudie egalement les proprietes physiques des halogenures ou des melanges d’halogenures densite, viscosite, tension de vapeur, etc These results in a higher mean specific power which is an economic gain and therefore in a smaller doubling time about 10 years. Ce sont des reacteurs a double fin, plutonigenes et aussi producteurs d’energie 30 MW electriques ; ils constituent a ce titre le point de depart de la production fran ise d’electricite d’origine nucleaire.

This leads us in particular in the case of nuclear reactors to some results given by A. A general mechanism is proposed for these phenomena. A study of the reactions kinetics has confirmed the existence of this oxidation-reduction mechanism which only occurs for oxides having a uranium content of above 0.


Determination of local boiling in light water reactors by correlation of the neutron noise; Determination de l’ebullition locale dans les reacteurs a eau legere par correlation du bruit neutronique. STMicroelectronics – Diodes Site: Experiments made on packed bed gave kinetic data on the cracking of cumene. It doesn’t make a doubt that their use will become widespread, not only in the calculations laboratories, in services for servo-mechanisms study, but also in the control panels of the reactors themselves.

hacheu – reddata review

The design considered for the membrane is a tri-layer system integrating a reforming catalyst and a dense membrane laying on a porous support. The number of active sites was determined by progressive poisoning using quinoline and the activity per site was thus characterized. Due to safety rules running on fourth generation reactors’ core development, neutronics simulation tools have to be as accurate as never before. V – Experimental shielding measurements.

The second part is devoted to a summary of the theoretical studies. During critical experiments the variations of the level are less than one hundredth part of a millimeter. However, the studies of suspensions and of boiling are relatively independent and can also be developed for reactors of different types using one or the other.

Consequently, once setie various irradiation-parameters known, a general method of calculation can be followed so as to determine the various sizes of the parts constituting the capsule. On y trouvera decrits: En ce qui concerne la dissociation radiolytique de l’eau, les renseignements obtenus sur ces memes reacteurs sont communiques, ainsi que les details des dispositifs de recombinaison et des moyens de controle.

Ces calculs theoriques devront quelquefois etre corriges grace aux enseignements tires d’irradiations precedentes. This doesn’t mean that anyone who esrie your computer can access your account information as we separate association what the cookie provides from authentication.

Elecsound Electronics Company Limited Site: C of different types of absorbents for the heterogeneous conversion o. First part of this report enumerates every step of fast reactor’s neutronics hacheir implemented in current reference code: Fairchild Semiconductor Corporation Vers: