2019
Mao, Xiuli; Pavesi, Giorgio; Chen, Diyi; Xu, Hengshan; Mao, Gaojun
Flow induced noise characterization of pump turbine in continuous and intermittent load rejection processes Journal Article
In: Renewable Energy, vol. 139, pp. 1029-1039, 2019, ISSN: 18790682.
Abstract | Links | BibTeX | Tags: Flow induced noise, Hydroelectric energy, Load rejection, Pressure fluctuations, Pump as Turbine
@article{Mao2019a,
title = {Flow induced noise characterization of pump turbine in continuous and intermittent load rejection processes},
author = {Xiuli Mao and Giorgio Pavesi and Diyi Chen and Hengshan Xu and Gaojun Mao},
url = {https://doi.org/10.1016/j.renene.2019.02.116},
doi = {10.1016/j.renene.2019.02.116},
issn = {18790682},
year = {2019},
date = {2019-01-01},
journal = {Renewable Energy},
volume = {139},
pages = {1029-1039},
publisher = {Elsevier Ltd},
abstract = {In order to study pump turbine stability in view of flow induced noise, this paper focuses on two-part operation of one high head reversible turbine: transient load rejection process and intermittent vane closing conditions. Both above simulations are solved by DES turbulent model, additionally, the flow field results are regarded as sound source and analyzed comparatively by LMS software. Except for flow field interpretation, some developing rules of flow induced noise during the period of pump turbine load rejection are found. The result indicates that flow induced noise radiation is consistent with internal fluid characteristics, and the developing trends are similar which acquired from these two part calculations, whereas the values are distinct. This work provides a reference for the study of pump turbine operating stability from the acoustic aspect, and for pump turbine design work as well.},
keywords = {Flow induced noise, Hydroelectric energy, Load rejection, Pressure fluctuations, Pump as Turbine},
pubstate = {published},
tppubtype = {article}
}
In order to study pump turbine stability in view of flow induced noise, this paper focuses on two-part operation of one high head reversible turbine: transient load rejection process and intermittent vane closing conditions. Both above simulations are solved by DES turbulent model, additionally, the flow field results are regarded as sound source and analyzed comparatively by LMS software. Except for flow field interpretation, some developing rules of flow induced noise during the period of pump turbine load rejection are found. The result indicates that flow induced noise radiation is consistent with internal fluid characteristics, and the developing trends are similar which acquired from these two part calculations, whereas the values are distinct. This work provides a reference for the study of pump turbine operating stability from the acoustic aspect, and for pump turbine design work as well.
