Heat generation in a Couette-Taylor flow multicylinder system
V.N. Mamonov, N.B. Miskiv, A.D. Nazarov, A.F. Serov, V.I. Terekhov
Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
Keywords: теплогенератор, течение Куэтта-Тэйлора, диссипация энергии, вращающиеся цилиндры, момент сопротивления, тепловая мощность, heat generator, Couette-Taylor flow, energy dissipation, rotating cylinders, drag torque, thermal power
Abstract
The paper presents the results of an experimental study of energy production in the Couette -Taylor heat generator with independent rotation of cylinders: the system is applied to solving the problem of direct conversion of wind energy into thermal energy. The system consists of two nested multicylinder rotors. The regimes for two counter-rotating rotors are studied. The study is focused on the rotor drag torque and the heat power of the generator as a function of the relative angular velocity of two rotors at a fixed viscosity of the working liquid or as a function of the working liquid viscosity at a steady relative angular velocity of two rotors. Representing of this multicylinder design of the heat generator to a form of a single equivalent annular channel between two rotating cylinders allows generalization of experimental data for the law of the drag torque and specific heat power as a function of the Reynolds number. This generalization offers a possibility of developing engineering methods for calculating the thermal parameters of various systems for fluid heating.
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