Article | REF: BE9542 V1

Current flow tube - Electric heat exchanger

Authors: Guy DESCHAMPS, Olivier TERRAL, Pascal TERRIEN

Publication date: January 10, 2000

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AUTHORS

Guy DESCHAMPS
Olivier TERRAL
Pascal TERRIEN: Research Engineers, Research and Development Division, Industry Division, Électricité de France (EDF)

INTRODUCTION

In terms of consumption, electrothermal energy is the second most important application of electricity in industry, after rotating machinery. Since 1987, a new resistor concept has been gaining a solid reputation: the current-passing tube or TPC. More than a resistor, the TPC is an electrical exchanger.

This technique combines the advantages of electricity (simplicity, flexibility, precision) with the performance of heat exchangers (large exchange surface area, good transfer coefficient).

Far more than a simple heater, the TPC is equally suited to the treatment of chemicals, gases, sensitive food fluids and powders, as well as evaporation and chemical reaction...

Notations and symbols
Symbol	Unit	Definition	Symbol	Unit	Definition
A	...

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Current flow tube

Definitions

References

(1) - BIRD (R.B.) - The Graetz-Nusselt problem for a power law non newtonian fluid - (la problématique Graetz-Nusselt pour un fluide non newtonien de loi puissance). Chem. Ing. Sci., Vol. 6, pp. 35-41 (1956).
(2) - MIDOUX (N.) - Mécanique rhéologique des...

In Engineering Techniques

(1) - HUETZ (J.) - Notions de transfert thermique par convection - . Traité Génie énergétique A 1540. 1990.
(2) - BONTEMPS (A.), GOUBIER (C.) , coll - Échangeurs de chaleur. Problème de fonctionnement - . Traité Génie énergétique....

EDF documents

Le Tube à Passage de Courant, le chauffage électrique des liquides et des gaz dans l'industrie - Les Cahiers de l'Ingénierie, September 1994, n° 1.48.1.05.4 available from EDF Direction du Développement.

Traçage électrique des tuyauteries par l'électricité - Les Cahiers de l'Ingénierie, 1996, n° TA 82 available from EDF Direction du Développement.

Collection of internal notes...

Standardization

Installations électriques à basse tension : Règles. - NF C 15-100 - 05-91
Sécurité des installations électrothermiques. Partie 1 : Règles générales. Parties 2 à 11 règles particulières. - CEI 60519 -

European directives

Directive du conseil du 14 juin 1989 concernant le rapprochement des législations des États membres relatives aux machines modifiée par 91/368/CEE du 20/6/91 et 93/44/CEE du 14 juin 1993 et 93/68/CEE du 22 juillet 1993. - 89/392/CEE -
Directive du Conseil du 3 mai 1989 concernant le rapprochement des législations des États membres relatives à la compatibilité électromagnétique modifiée par 93/31/CEE du 24 avril...