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Ingeniería y Desarrollo
versión impresa ISSN 0122-3461versión On-line ISSN 2145-9371
Resumen
CAMARGO, Carlos; GARCIA, Carlos; DUARTE, Jorge y RINCON, Adriana. Statistical model for characterizing and optimizing peripheral pumps. Ing. Desarro. [online]. 2018, vol.36, n.1, pp.18-39. ISSN 0122-3461. https://doi.org/10.14482/inde.36.1.10939.
Characterizing physical phenomena existing in rotodynamic pumps has open a new field of study for these machines, where the efficiency on the operating point is being investigated, without significantly affecting other parameters. Research in the peripheral pump made have experimentally proved that Euler’s equation does not model its hydraulic behavior because of the toroidal flow that is developed on them, which causes flow recirculation. Due to the above points, this paper develops a methodology for modeling the behavior of peripheral pumps, using a new criterion that was developed for predicting the characteristic curve of the pump and it is based on Euler’s equation, which includes two correction factors. The proposed model was validated experimentally to verify that it describes the phenomenon according to the mechanical, geometrical and hydraulic variables involved of the pump. An optimizing process was realized using the corrected Euler’s model, and the results are compared to actual pump curve thus is proved that the obtained hydraulic power is improved. The previous statement will allow predicting the gain on the performance of peripheral pumps without realizing expensive experimental test.
Palabras clave : Characterization; efficiency; model; optimizing; peripheral pumps.