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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
TOBON-ESPINOSA, Daniel Felipe; MEJIA-OCAMPO, David Alejandro; MORENO-SANCHEZ, Ricardo y BOTERO-HERRERA, Francisco Javier. Hydrodynamic and experimental characterization of pumps as turbines. Dyna rev.fac.nac.minas [online]. 2023, vol.90, n.226, pp.124-129. Epub 13-Feb-2024. ISSN 0012-7353. https://doi.org/10.15446/dyna.v90n226.106010.
To estimate the performance, efficacy, modes of operation, hydrodynamic instabilities, and methodologies for harnessing energy from the pump as turbine (PAT), it is necessary to characterize these hydraulic turbomachines in all their modes of operation using an experimental test rig that simulates actual operating conditions. In this process, the characteristic curve of four quadrants of a turbomachine is constructed, especially its five modes: pump mode, brake pump mode, turbine mode, brake turbine mode, and reverse pump mode. In addition, with dynamic sensors installed in the pump volute, it is possible to know the hydrodynamic phenomena within PAT, finding its average behavior and frequency response, which is a tool for diagnosing the machine’s condition.
Palabras clave : pump as turbine; vibration; spectral analysis; monitoring.