Distinctictive Features of Calculation of Power of a Rotor-Stator Impulse Device with a Profiled Rotor

A method was developed to determine power consumption in a rotor-stator impulse device having a profiled rotor with a small gap between its cover and surface. The power consumption for overcoming fluid friction in the end gaps between the coaxial annular projections in the rotor cavity and on the cover of the rotor-stator impulse device was analyzed. A major part of the power was consumed for overcoming friction in the radial gap between the rotor and the stator. Power consumption in the end gaps and for fluid swirl in the rotor cavity is an order of magnitude lower than the power consumption in the radial gap between the rotor and the stator. The calculated and experimental data on power consumption for processing biohumus (vermicompost) and gas oil for the device design with a profiled rotor and a cover were in good agreement.