Dynamic Investigation on Effective Bulk Modulus of Hydraulic oil Using Piezoelectric Transducers

The effective bulk modulus of hydraulic oil can greatly affect the dynamic characteristics and performance of hydraulic power system, in this study, a new method based on piezoelectric transducers for investigating the fluid effective bulk modulus dynamically is proposed. In dynamic measurement, the...

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Published in2022 16th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) pp. 614 - 618
Main Authors Diao, Weidong, Pan, Qiaosheng, Li, Yinghao, Zhang, Junjian, Liu, Pengfei, Chen, Jian, Feng, Zhihua
Format Conference Proceeding
LanguageEnglish
Published IEEE 11.10.2022
Subjects
Dynamic measurement
Effective bulk modulus
Fluid dynamics
Hydraulic fluids
Hydraulic power system
Piezoelectric transducer
Piezoelectric transducers
Piezoelectricity
Power measurement
Power system dynamics
Voltage measurement
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Abstract The effective bulk modulus of hydraulic oil can greatly affect the dynamic characteristics and performance of hydraulic power system, in this study, a new method based on piezoelectric transducers for investigating the fluid effective bulk modulus dynamically is proposed. In dynamic measurement, the hydraulic oil is alternately compressed by the piezoelectric actuator and the piezoelectric ceramic sheet served as a sensor in the chamber can detect the pressure variation and output the alternating voltage, which can reflect the characteristics of effective bulk modulus of hydraulic oil. Then the effects of working pressure up to 10 MPa and whether to exhaust the air on the effective bulk modulus of hydraulic oil are experimentally studied. The experimental results show that the effective bulk modulus of hydraulic oil can be improved by increasing the working pressure and exhausting the air before pressurization.
AbstractList The effective bulk modulus of hydraulic oil can greatly affect the dynamic characteristics and performance of hydraulic power system, in this study, a new method based on piezoelectric transducers for investigating the fluid effective bulk modulus dynamically is proposed. In dynamic measurement, the hydraulic oil is alternately compressed by the piezoelectric actuator and the piezoelectric ceramic sheet served as a sensor in the chamber can detect the pressure variation and output the alternating voltage, which can reflect the characteristics of effective bulk modulus of hydraulic oil. Then the effects of working pressure up to 10 MPa and whether to exhaust the air on the effective bulk modulus of hydraulic oil are experimentally studied. The experimental results show that the effective bulk modulus of hydraulic oil can be improved by increasing the working pressure and exhausting the air before pressurization.
Author Pan, Qiaosheng
Diao, Weidong
Feng, Zhihua
Chen, Jian
Zhang, Junjian
Liu, Pengfei
Li, Yinghao
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Snippet The effective bulk modulus of hydraulic oil can greatly affect the dynamic characteristics and performance of hydraulic power system, in this study, a new...
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SubjectTerms Dynamic measurement
Effective bulk modulus
Fluid dynamics
Hydraulic fluids
Hydraulic power system
Piezoelectric transducer
Piezoelectric transducers
Piezoelectricity
Power measurement
Power system dynamics
Voltage measurement
Title Dynamic Investigation on Effective Bulk Modulus of Hydraulic oil Using Piezoelectric Transducers
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