Author(s): E. Terrasse; O. Roussette; M. Queguineur; H. Staudt; A. Dazin

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Abstract: This paper presents a methodology to estimate the radial forces acting on a cavitating inducers from the pressure signals measured at the machine casing by a set of sensors installed at different axial and azimuthal locations. The results of these methodologies are validated on the experimental data obtained on a water loop dedicated to the study of the performance and the unsteady phenomena in a cavitating inducer. The pressure and efforts are traced by unsteady pressure sensors on the pump casing and by a 6 components balance measuring efforts on the inducer shaft. For the validation, tests at two different rotating velocities were conducted during which a continuous pressure drop was imposed to the inducer, starting from a non cavitating operating point at given rotating speed and flow rate, down to a 20% pressure drop.

DOI: https://doi.org/10.1088/1755-1315/1411/1/012037

Year: 2024