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Vortex chamber pump performance with Bingham fluids 25 January 2021 | Research Energy. The research article Influence of Bingham fluid viscosity on energy performances of a vortex chamber pump has been published in the journal Energy (Volume 218, 1 March 2021, 119432). Abstract One of the problems in the development of coal-water technologies is the use of reliable and long-lasting pumps. To date, classic pumps, due to the use of mechanical moving parts and seals, are subject to rapid abrasive wear. The solution to this problem can lie in the creation of new vortex chamber pumps developed by the authors. They are highly reliable, simple in design and have no moving parts. The object of this paper consists in determining the range of vortex chamber pump performance when pumping Bingham fluids of different rheological parameters, as well as to determine the dependence of the pump efficiency on the Bingham viscosity and t

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