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Heat transfer with organic fluids; Transferts de chaleur par liquides organiques

Abstract

Using a test channel with a circular cross-section of 12 mm internal diameter the following heat transfer correlation, valid to about {+-} 6 p. 100, was determined for the terphenyls OMP and OM2 with 0, 10, 20 or 30 p. 100 of high polymers: Nu{sub b} = 0.00835 Re{sub b}{sup 0.9} Pr{sub L}{sup 0.4}. This correlation was established with fluxes ranging from 50 to 100 W/cm{sup 2}, temperatures from 290 to 420 C and Reynolds number from 30 000 to 350 000. 8 long-term tests were carried out (250 to 1000 hours continuous running) to determine how deposition on the heating surfaces affects the exchange coefficient. The loops is made of stainless steel except for one part in soft steel. No deposits are observed even if the terphenyl contains 30 ppm of chlorure, while on the other hand deposition is appreciable when heavy substances containing combined oxygen are added. (authors) [French] On a determine sur un canal d'essai de section circulaire de 12 mm de diametre interieur, la correlation de transfert de chaleur suivante valable a {+-} 6 p.100 pres pour les terphenyles OMP et OM2 avec 0, 10, 20 ou 30 p. 100 de haute polymeres Nu{sub b} =  More>>
Authors:
Lanza, F; [1]  Ricque, R; Villeneuve, J P [2] 
  1. Association Euratom-CEA, Centre d'Etudes de Grenoble, 38 (France). Dept. de Recherches sur la Fusion Controlee
  2. Commissariat a l'Energie Atomique, Grenoble (France). Centre d'Etudes Nucleaires
Publication Date:
Jul 01, 1964
Product Type:
Technical Report
Report Number:
CEA-R-2644
Resource Relation:
Other Information: 5 refs
Subject:
42 ENGINEERING; DENSITY; DEPOSITION; HEAT TRANSFER; SPECIFIC HEAT; TERPHENYLS; THERMAL CONDUCTIVITY; VISCOSITY
OSTI ID:
20668338
Research Organizations:
CEA Grenoble, 38 (France)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
TRN: FR05R2644107039
Availability:
Available from INIS in electronic form
Submitting Site:
FRN
Size:
20 pages
Announcement Date:
Dec 14, 2005

Citation Formats

Lanza, F, Ricque, R, and Villeneuve, J P. Heat transfer with organic fluids; Transferts de chaleur par liquides organiques. France: N. p., 1964. Web.
Lanza, F, Ricque, R, & Villeneuve, J P. Heat transfer with organic fluids; Transferts de chaleur par liquides organiques. France.
Lanza, F, Ricque, R, and Villeneuve, J P. 1964. "Heat transfer with organic fluids; Transferts de chaleur par liquides organiques." France.
@misc{etde_20668338,
title = {Heat transfer with organic fluids; Transferts de chaleur par liquides organiques}
author = {Lanza, F, Ricque, R, and Villeneuve, J P}
abstractNote = {Using a test channel with a circular cross-section of 12 mm internal diameter the following heat transfer correlation, valid to about {+-} 6 p. 100, was determined for the terphenyls OMP and OM2 with 0, 10, 20 or 30 p. 100 of high polymers: Nu{sub b} = 0.00835 Re{sub b}{sup 0.9} Pr{sub L}{sup 0.4}. This correlation was established with fluxes ranging from 50 to 100 W/cm{sup 2}, temperatures from 290 to 420 C and Reynolds number from 30 000 to 350 000. 8 long-term tests were carried out (250 to 1000 hours continuous running) to determine how deposition on the heating surfaces affects the exchange coefficient. The loops is made of stainless steel except for one part in soft steel. No deposits are observed even if the terphenyl contains 30 ppm of chlorure, while on the other hand deposition is appreciable when heavy substances containing combined oxygen are added. (authors) [French] On a determine sur un canal d'essai de section circulaire de 12 mm de diametre interieur, la correlation de transfert de chaleur suivante valable a {+-} 6 p.100 pres pour les terphenyles OMP et OM2 avec 0, 10, 20 ou 30 p. 100 de haute polymeres Nu{sub b} = 0,00835 Re{sub b}{sup 0.9} Pr{sub L}{sup 0.4}. Cette correlation a ete etablie dans une gamme de flux de 50 a 100 W/cm{sup 2}, de temperature de 290 a 420 C, de Reynolds de 30 000 a 350 000. On a effectue 8 essais de longue duree (250 a 1 000 heures en regime continu) pour determiner l'effet sur le coefficient d'echange de l'encrassement des surfaces chauffantes. La boucle est en acier inoxydable sauf une partie en acier doux; on n'observe aucun encrassement meme si le terphenyle contient 30 ppm de chlore; par contre l'encrassement est sensible quand on ajoute des produits lourds contenant de l'oxygene combine. (auteurs)}
place = {France}
year = {1964}
month = {Jul}
}