A magnetorheological heat-transfer agent consisting of a fluid based on organosilicon substances and containing dispersed flaky carbonyl iron particles used for enhancing heat transfer efficiency and for control of hydrodynamic resistance of heat-transfer agent flow was investigated. The action of a two-dimensional gradient magnetic field was used as the moving force of the magnetorheological heat-transfer agent. The volume flow rate of the magnetorheological heat-transfer agent was regulated and controlled through induction of a magnetic field by changing the orientation of the particles in the heat-transfer agent flow.
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