By Hermann Ehringer (auth.), H. Ehringer, G. Hoyaux, P. A. Pilavachi (eds.)
The major goals of the Ccmnunity's strength coverage include securing a adequate strength provide for the current and destiny call for of its Member States and in lowering the Community's dependence on imported power during the extra rational use of strength and a broader diversifi cation of offer. This calls for a whole set of universal efforts in any respect degrees, together with power examine and improvement. within the framework of its method for clinical and technological examine the fee of the ecu Ccmnunities has introduced numerous R & D progranunes within the box of power. Theses progranunes are :inplemented both without delay in its Joint learn Centre or via concluding contracts with study associations within the EC Member nations. essentially the most inportant brief and medil.UR time period pursuits of the current four-year power R & D Progranune (1979 - 1983) authorized by means of the Council of Ministers on thirteen September 1979 goals at fostering power conservation applied sciences within the 3 major power consl.Uning sectors: danestic, and delivery. within the ecu Carmunity greater than 35% of the strength is conslB'IIed in undefined. approximately 23% of the inported oil is utilized in this quarter. thirds of this strength are used for heating reasons. hence, there's a excessive power for residuary warmth restoration. with the intention to increase rational use of strength and effort conservation within the Member States of the Ccmnunity, it will be important, anong different issues, to advertise the advance of combustion and effort restoration techniques.
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Extra resources for Energy Conservation in Industry — Combustion, Heat Recovery and Rankine Cycle Machines: Proceedings of the Contractors’ Meetings held in Brussels on 10 and 18 June, and 29 October 1982
Ffi ; ~ I I ~ ! 5... I Q. ~ c c ""t ~ ... _ 0 ... " ~~ "co 00 ~ ... ,8. C» "( -30- \ ... ,"' ~ I I \ \ I J \ \ I \\ J I ~ 1-- NB: - profils corriges de la dissymetrie constatee sur la circonference du recuperateur - les temperatures relevees par la mesure fixe sont prises au centre de la conduite ID"C ~ . ,2,6 ~~-t: 14 m. rtes IE fumees ~ f 100 Planche (5) SCHEMA DE PRINCIPE D'UN RECUPERATEUR "ESCHER" Planche (6) PROFIL DE TEMPERATURE D'UN GAZ EN ECOULEMENT TURBULENT DANS UN TUBE CIRCULAIRE (d'apres KNUDSEN et KATZ) The analogy between momentum and heat transfer 10 I.
As a result of a detailed market survey, prime uses have been identified in the metallurgical, ceramics and oil (reformers) industries. While upper operating temperature is one constraint Limiting the application of heat exchangers in heat recovery, installation costs, regardless of operating temperature, are also highly important. The project involving collaboration between the INSTITUT FRANCAIS DU PETROLE (IFP) and CREUSOT-LOIRE is directed at the development of a heat exchanger which will assist to minimise installation costs.
Analyse methodique des phenomenes observes : II convenait d'analyser avec soin ces resultats et phenomenes observes, pour en deduire des essais d'amelioration pratique du rendement de l'echangeur. C'est ce que nous avons fait, en nous appuyant sur Ia litterature classique concernant les echanges convectifs et radiatifs. 1. Analyse des echanges convectifs dans le conduit des fumees A la decouverte du gradient de temperature mesure dans l'epaisseur -25- du courant de fumees, nous nous sommes pose deux questions : a) ce gradient important est-il "normal", c'est-a-dire compatible avec les lois classiques de l'aerothermique ?