Abstract
Flow of and heat transfer in turbulent slurries having a yield stress are discussed. A Bingham plastic model is used to describe their rheological properties. A universal velocity distribution for turbulent flow of the Bingham plastic fluid is derived. The velocity distributions obtained using Prandtl's mixing length theory are in satisfactory agreement with the available data for Bingham plastic fluids in pipes. On the basis of them, a theoretical correlation for heat transfer in turbulent Bingham plastic fluids flowing pipes is obtained. It indicates that a yield stress will decrease the heat transfer rate. The proposed correlation fits the experimental data for fully developed turbulent pipe flows adequately.
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More From: International Communications in Heat and Mass Transfer
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