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SIMULATION OF HYDROMECHANICS AND HEAT TRANSFER OF ELECTROCONTROLLED FLUIDS IN NARROW CHANNELS-CAPACITORS OF SPECIAL HEAT EXCHANGER DEVICES

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.1070
pages 1427-1435

Evguenia Korobko
Luikov A.V. Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus, 15 P Brovki Street, Minsk, 220072, Belarus

Aleksander Makhaniok
Luikov A.V. Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus, 15 P Brovki Street, Minsk, 220072, Belarus

Natalya Bedik
Luikov A.V. Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus, 15 P Brovki Street, Minsk, 220072, Belarus

Аннотация

The results of investigation of rheophysical properties of thermally stable dielectric controllable heat carrier − electrorheological fluid on the basis of hydrated aluminum oxide are presented. Considering obtained experimental data, a numerical solution of conjugated problem of hydrodynamics and heat transfer in a flat channel of electrorheological fluid (ERF) with the flow curve, described by a modified Bulcley-Gershel rheological model is received and discussed. It is shown, that electrorheological effect leads to the increase of an average over the channel length Nusselt number up to 17 %.

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