Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems

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ZHOU, Junjie ;HU, Jibin ;JING, Chongbo .
Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 62, n.6, p. 373-380, june 2016. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/lumped-parameter-modelling-of-cavitating-orifice-flow-in-hydraulic-systems/>. Date accessed: 01 dec. 2021. 
doi:http://dx.doi.org/10.5545/sv-jme.2015.3082.
Zhou, J., Hu, J., & Jing, C.
(2016).
Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems.
Strojniški vestnik - Journal of Mechanical Engineering, 62(6), 373-380.
doi:http://dx.doi.org/10.5545/sv-jme.2015.3082
@article{sv-jmesv-jme.2015.3082,
	author = {Junjie  Zhou and Jibin  Hu and Chongbo  Jing},
	title = {Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {62},
	number = {6},
	year = {2016},
	keywords = {gaseous cavitation; lumped parameter; orifice; hydraulic systems},
	abstract = {Gaseous cavitation is an important issue that introduces negative effects on the performance of hydraulic systems. The lumped parameter modelling approach is widely adopted in the research of hydraulic applications due to its quickness and convenience to apply at the system level. For this reason, a novel lumped parameter model of cavitating orifice flow based on a control volume concept is presented in this paper. In particular, a procedure of calibrating the unknown model coefficients is provided by using the computational fluid dynamic (CFD) method as well as test data. A test rig for studying cavitation in an external gear pump is set up with a variable orifice at the inlet port. The four coefficients in the CFD cavitation model is first identified by the measured mass flow rate through the test orifice; then the CFD simulated fluid field offers required information including the average air mass fraction in downstream region to determine the two coefficients of lumped parameter (LP) model. To further verify the calibrated models, another test at a different pump speed is carried out to compare it to the model prediction. Good matching with experiments justifies the proposed approach and the calibration procedure. Suggestions for future work include extending the approach to the study of hydraulic valves and high-speed pumps.},
	issn = {0039-2480},	pages = {373-380},	doi = {10.5545/sv-jme.2015.3082},
	url = {https://www.sv-jme.eu/article/lumped-parameter-modelling-of-cavitating-orifice-flow-in-hydraulic-systems/}
}
Zhou, J.,Hu, J.,Jing, C.
2016 June 62. Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 62:6
%A Zhou, Junjie 
%A Hu, Jibin 
%A Jing, Chongbo 
%D 2016
%T Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems
%B 2016
%9 gaseous cavitation; lumped parameter; orifice; hydraulic systems
%! Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems
%K gaseous cavitation; lumped parameter; orifice; hydraulic systems
%X Gaseous cavitation is an important issue that introduces negative effects on the performance of hydraulic systems. The lumped parameter modelling approach is widely adopted in the research of hydraulic applications due to its quickness and convenience to apply at the system level. For this reason, a novel lumped parameter model of cavitating orifice flow based on a control volume concept is presented in this paper. In particular, a procedure of calibrating the unknown model coefficients is provided by using the computational fluid dynamic (CFD) method as well as test data. A test rig for studying cavitation in an external gear pump is set up with a variable orifice at the inlet port. The four coefficients in the CFD cavitation model is first identified by the measured mass flow rate through the test orifice; then the CFD simulated fluid field offers required information including the average air mass fraction in downstream region to determine the two coefficients of lumped parameter (LP) model. To further verify the calibrated models, another test at a different pump speed is carried out to compare it to the model prediction. Good matching with experiments justifies the proposed approach and the calibration procedure. Suggestions for future work include extending the approach to the study of hydraulic valves and high-speed pumps.
%U https://www.sv-jme.eu/article/lumped-parameter-modelling-of-cavitating-orifice-flow-in-hydraulic-systems/
%0 Journal Article
%R 10.5545/sv-jme.2015.3082
%& 373
%P 8
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 62
%N 6
%@ 0039-2480
%8 2016-06-06
%7 2016-06-06
Zhou, Junjie, Jibin  Hu, & Chongbo  Jing.
"Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems." Strojniški vestnik - Journal of Mechanical Engineering [Online], 62.6 (2016): 373-380. Web.  01 Dec. 2021
TY  - JOUR
AU  - Zhou, Junjie 
AU  - Hu, Jibin 
AU  - Jing, Chongbo 
PY  - 2016
TI  - Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2015.3082
KW  - gaseous cavitation; lumped parameter; orifice; hydraulic systems
N2  - Gaseous cavitation is an important issue that introduces negative effects on the performance of hydraulic systems. The lumped parameter modelling approach is widely adopted in the research of hydraulic applications due to its quickness and convenience to apply at the system level. For this reason, a novel lumped parameter model of cavitating orifice flow based on a control volume concept is presented in this paper. In particular, a procedure of calibrating the unknown model coefficients is provided by using the computational fluid dynamic (CFD) method as well as test data. A test rig for studying cavitation in an external gear pump is set up with a variable orifice at the inlet port. The four coefficients in the CFD cavitation model is first identified by the measured mass flow rate through the test orifice; then the CFD simulated fluid field offers required information including the average air mass fraction in downstream region to determine the two coefficients of lumped parameter (LP) model. To further verify the calibrated models, another test at a different pump speed is carried out to compare it to the model prediction. Good matching with experiments justifies the proposed approach and the calibration procedure. Suggestions for future work include extending the approach to the study of hydraulic valves and high-speed pumps.
UR  - https://www.sv-jme.eu/article/lumped-parameter-modelling-of-cavitating-orifice-flow-in-hydraulic-systems/
@article{{sv-jme}{sv-jme.2015.3082},
	author = {Zhou, J., Hu, J., Jing, C.},
	title = {Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {62},
	number = {6},
	year = {2016},
	doi = {10.5545/sv-jme.2015.3082},
	url = {https://www.sv-jme.eu/article/lumped-parameter-modelling-of-cavitating-orifice-flow-in-hydraulic-systems/}
}
TY  - JOUR
AU  - Zhou, Junjie 
AU  - Hu, Jibin 
AU  - Jing, Chongbo 
PY  - 2016/06/06
TI  - Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 62, No 6 (2016): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2015.3082
KW  - gaseous cavitation, lumped parameter, orifice, hydraulic systems
N2  - Gaseous cavitation is an important issue that introduces negative effects on the performance of hydraulic systems. The lumped parameter modelling approach is widely adopted in the research of hydraulic applications due to its quickness and convenience to apply at the system level. For this reason, a novel lumped parameter model of cavitating orifice flow based on a control volume concept is presented in this paper. In particular, a procedure of calibrating the unknown model coefficients is provided by using the computational fluid dynamic (CFD) method as well as test data. A test rig for studying cavitation in an external gear pump is set up with a variable orifice at the inlet port. The four coefficients in the CFD cavitation model is first identified by the measured mass flow rate through the test orifice; then the CFD simulated fluid field offers required information including the average air mass fraction in downstream region to determine the two coefficients of lumped parameter (LP) model. To further verify the calibrated models, another test at a different pump speed is carried out to compare it to the model prediction. Good matching with experiments justifies the proposed approach and the calibration procedure. Suggestions for future work include extending the approach to the study of hydraulic valves and high-speed pumps.
UR  - https://www.sv-jme.eu/article/lumped-parameter-modelling-of-cavitating-orifice-flow-in-hydraulic-systems/
Zhou, Junjie, Hu, Jibin, AND Jing, Chongbo.
"Lumped Parameter Modelling of Cavitating Orifice Flow in Hydraulic Systems" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 62 Number 6 (06 June 2016)

Authors

Affiliations

  • Beijing Institute of Technology, National Key Laboratory of Vehicular Transmission, China 1

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 62(2016)6, 373-380

https://doi.org/10.5545/sv-jme.2015.3082

Gaseous cavitation is an important issue that introduces negative effects on the performance of hydraulic systems. The lumped parameter modelling approach is widely adopted in the research of hydraulic applications due to its quickness and convenience to apply at the system level. For this reason, a novel lumped parameter model of cavitating orifice flow based on a control volume concept is presented in this paper. In particular, a procedure of calibrating the unknown model coefficients is provided by using the computational fluid dynamic (CFD) method as well as test data. A test rig for studying cavitation in an external gear pump is set up with a variable orifice at the inlet port. The four coefficients in the CFD cavitation model is first identified by the measured mass flow rate through the test orifice; then the CFD simulated fluid field offers required information including the average air mass fraction in downstream region to determine the two coefficients of lumped parameter (LP) model. To further verify the calibrated models, another test at a different pump speed is carried out to compare it to the model prediction. Good matching with experiments justifies the proposed approach and the calibration procedure. Suggestions for future work include extending the approach to the study of hydraulic valves and high-speed pumps.

gaseous cavitation; lumped parameter; orifice; hydraulic systems