A hypothesis of operation of the regenerative pump is presented which reflects the experimentally observed characteristics of the flow inside the pump. An analysis based on the hypothesis leads to a series of expressions for pump performance over the entire operating range in terms of only three empirical constants. The relationship of these parameters to the prior art of hydrodynamic machinery and to those geometric features peculiar to regenerative pumps is developed. Experimental corroborations of the results are presented.
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Wilson et al. (1955) studied this question.