Numerical investigations of the flow induced oscillation of a torque converter. Liu, B., Yan, Q., & Wei, W. Engineering Applications of Computational Fluid Mechanics, 12(1):270–281, February, 2018. ZSCC: 0000013doi abstract bibtex The flow induced oscillation of a three-element torque converter was investigated numerically under various operational conditions. A two-way coupling fluid-structure interaction simulation was performed using ANSYS (R)-Fluent (R) along with the ANSYS (R) Transient Structural module. The fluid pressure excitation and the dynamic structure response were investigated at various turbine/pump rotation speed ratios SR epsilon [0.00.8]. The maximum pressure blade load and structural deflections were observed in the stall condition, corresponding to the highest torque transmission ratio. The pressure pulsations and structure oscillations were monitored at locations selected on the basis of time-averaged distributions. The turbine oscillations were dominated by the frequency of pump blade passing at SR = 0.0. The stator always oscillated under impact from the upstream flow with the dominating pump shaft frequency. Both the time-averaged and instantaneous features revealed that the pump oscillations were almost independent of SR.
@article{liu_numerical_2018,
title = {Numerical investigations of the flow induced oscillation of a torque converter},
volume = {12},
issn = {1994-2060},
doi = {10.1080/19942060.2017.1419149},
abstract = {The flow induced oscillation of a three-element torque converter was investigated numerically under various operational conditions. A two-way coupling fluid-structure interaction simulation was performed using ANSYS (R)-Fluent (R) along with the ANSYS (R) Transient Structural module. The fluid pressure excitation and the dynamic structure response were investigated at various turbine/pump rotation speed ratios SR epsilon [0.00.8]. The maximum pressure blade load and structural deflections were observed in the stall condition, corresponding to the highest torque transmission ratio. The pressure pulsations and structure oscillations were monitored at locations selected on the basis of time-averaged distributions. The turbine oscillations were dominated by the frequency of pump blade passing at SR = 0.0. The stator always oscillated under impact from the upstream flow with the dominating pump shaft frequency. Both the time-averaged and instantaneous features revealed that the pump oscillations were almost independent of SR.},
language = {en},
number = {1},
journal = {Engineering Applications of Computational Fluid Mechanics},
author = {Liu, B. and Yan, Q. and Wei, W.},
month = feb,
year = {2018},
note = {ZSCC: 0000013},
keywords = {Flow induced oscillation, PLSM, centrifugal pump, cfd, computational fluid dynamics, computational fluid dynamics, fluid-structure interaction, fluid–structure interaction, francis turbine, large-eddy simulation, large-eddy simulation, passage, pressure field, rotor-stator interaction, steady, torque converter, ①待读0x, ②已读1x, ⑦P\&W1},
pages = {270--281},
}
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The pressure pulsations and structure oscillations were monitored at locations selected on the basis of time-averaged distributions. The turbine oscillations were dominated by the frequency of pump blade passing at SR = 0.0. The stator always oscillated under impact from the upstream flow with the dominating pump shaft frequency. Both the time-averaged and instantaneous features revealed that the pump oscillations were almost independent of SR.","language":"en","number":"1","journal":"Engineering Applications of Computational Fluid Mechanics","author":[{"propositions":[],"lastnames":["Liu"],"firstnames":["B."],"suffixes":[]},{"propositions":[],"lastnames":["Yan"],"firstnames":["Q."],"suffixes":[]},{"propositions":[],"lastnames":["Wei"],"firstnames":["W."],"suffixes":[]}],"month":"February","year":"2018","note":"ZSCC: 0000013","keywords":"Flow induced oscillation, PLSM, centrifugal pump, cfd, computational fluid dynamics, computational fluid dynamics, fluid-structure interaction, fluid–structure interaction, francis turbine, large-eddy simulation, large-eddy simulation, passage, pressure field, rotor-stator interaction, steady, torque converter, ①待读0x, ②已读1x, ⑦P&W1","pages":"270–281","bibtex":"@article{liu_numerical_2018,\n\ttitle = {Numerical investigations of the flow induced oscillation of a torque converter},\n\tvolume = {12},\n\tissn = {1994-2060},\n\tdoi = {10.1080/19942060.2017.1419149},\n\tabstract = {The flow induced oscillation of a three-element torque converter was investigated numerically under various operational conditions. A two-way coupling fluid-structure interaction simulation was performed using ANSYS (R)-Fluent (R) along with the ANSYS (R) Transient Structural module. The fluid pressure excitation and the dynamic structure response were investigated at various turbine/pump rotation speed ratios SR epsilon [0.00.8]. The maximum pressure blade load and structural deflections were observed in the stall condition, corresponding to the highest torque transmission ratio. The pressure pulsations and structure oscillations were monitored at locations selected on the basis of time-averaged distributions. The turbine oscillations were dominated by the frequency of pump blade passing at SR = 0.0. The stator always oscillated under impact from the upstream flow with the dominating pump shaft frequency. 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