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Liquid metal downflow in an inclined heated tube affected by a longitudinal magnetic field

I. A. Belyaev - N. G. Razuvanov - V. G. Sviridov - V. S. Zagorsky

Joint Institute of High Temperatures, RAS, 13/19 Igorskaya str., Moscow, Russia

Liquid metal downflow heat transfer in an inclined heated tube (inclinations of 11° , 30° , 45° to the horizon) under the longitudinal magnetic field influence has been studied experimentally. Mercury was used as a model liquid. The test section is a steel tube of 19 mm inner diameter and approximately 100 calibers length, wherein the latter 40 calibers are heated. The magnetic field is uniform at 26 calibers. Parameters under study are the Stuart number N = Ha2Rn = 0÷23, the Richardson number Ri = Grq/Rn2 = 0÷0.8, under uniform heating. The studies were conducted using a method of microthermocouple probe. Average longitudinal velocity, average temperature and temperature fluctuations fields were measured; local and average Nusselt numbers along the tube perimeter were calculated. Tables 12, Figs 15, Refs 10.

Magnetohydrodynamics 51, No. 4, 673-684, 2015 [PDF, 4.14 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X