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Heat Transfer Research
Fator do impacto: 0.404 FI de cinco anos: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Imprimir: 1064-2285
ISSN On-line: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v32.i1-3.100
6 pages

Experimental Investigation of Heat Transfer in a Cylindrical Tube Heated on One Side by Highly Dense Energy Beams

Aleksey V. Dedov
National Research University "Moscow Power Engineering Institute", Russia, 111250 Moscow, Krasnokazarmennaya str., 14
Alexander N. Varava
National Research University "Moscow Power Engineering Institute", Russia, 111250 Moscow, Krasnokazarmennaya str., 14
Alexander T. Komov
National Research University "Moscow Power Engineering Institute", Russia, 111250 Moscow, Krasnokazarmennaya str., 14
V. K. Naumov
Russian Scientific Center "The Kurchatov Institute" Instituteof Nuclear Synthesis Moscow, Russia
S. A. Shcheglov
Moscow Power Engineering Institute (Technical University), Moscow, Russia

RESUMO

We present the results of experimental investigations of heat exchanging in a cylindrical tube heated on one side by beams of charged particles (electrons) with a high density of thermal energy. Heat removal is made by a water stream, twisted by a screw insert, having the mass velocities in the range ρw = 1870−8900 kg/(m2·sec). The experiments were carried out on a fragment of the tube in the receiver of the beams of deviated ions in the system of injection of a T-15 tokamak. The bank of experimental data includes 510 points. It is shown that under the conditions of heat removal by the twisted flow with the coefficient of twisting k = 0.897 and subcooling ~170°C the density of the flux removed can attain ~100 MV/m2 in the case of long-pulse heating. It is noted that with the number of cycles of about 70 the fatigue destruction of the surface occurs.


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