Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve

1341 Views
1270 Downloads
Export citation: ABNT
LIAO, Yaoyao ;YUAN, Hongbing ;LIAN, Zisheng ;FENG, Jiling ;GUO, Yongchang .
Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 61, n.6, p. 355-364, june 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/research-and-analysis-of-the-hysteresis-characteristics-of-a-large-flow-directional-valve/>. Date accessed: 29 nov. 2021. 
doi:http://dx.doi.org/10.5545/sv-jme.2015.2487.
Liao, Y., Yuan, H., Lian, Z., Feng, J., & Guo, Y.
(2015).
Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve.
Strojniški vestnik - Journal of Mechanical Engineering, 61(6), 355-364.
doi:http://dx.doi.org/10.5545/sv-jme.2015.2487
@article{sv-jmesv-jme.2015.2487,
	author = {Yaoyao  Liao and Hongbing  Yuan and Zisheng  Lian and Jiling  Feng and Yongchang  Guo},
	title = {Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {61},
	number = {6},
	year = {2015},
	keywords = {Large flow directional valve; radial unbalanced force; Hysteresis; CFD;Hydraulic roof support},
	abstract = {The 1000 L/min large flow hydraulic system for the hydraulic support used in a coal mine is currently a topic of great interest. The large flow directional valve is a key component for hydraulic systems, so the design of the 1000 L/min large flow directional valve is essential. The designed single-channel valve shows serious hysteresis characteristics in a 1000 L/min large flow condition, but it does not happen in a 16 L/min small flow condition. Based on this phenomenon, the computational fluid dynamics (CFD) technology was used to simulate the flow in the valve. It was discovered that the single-channel caused unbalanced pressure in the annular region and on the surface of the valve spool, so the valve spool is subjected to great radial unbalanced force. Then a double-channel valve was designed to improve the pressure distribution. The simulated radial unbalanced force on the double-channel valve is 67.2% lower than that of the single-channel valve. The experimental results showed that the hysteresis characteristics also disappeared under the 1000 L/min large flow condition. Therefore, the conclusion can be drawn that the hysteresis characteristics of the single-channel valve is due to the radial unbalanced force caused by the unsymmetrical flow field. The results show that the maximum radial unbalanced force the valve spool can withstand is 170 N. Furthermore, symmetrical flow passages have to be taken into account in large flow conditions. This paper provides valuable references for the design of large flow valves.},
	issn = {0039-2480},	pages = {355-364},	doi = {10.5545/sv-jme.2015.2487},
	url = {https://www.sv-jme.eu/article/research-and-analysis-of-the-hysteresis-characteristics-of-a-large-flow-directional-valve/}
}
Liao, Y.,Yuan, H.,Lian, Z.,Feng, J.,Guo, Y.
2015 June 61. Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 61:6
%A Liao, Yaoyao 
%A Yuan, Hongbing 
%A Lian, Zisheng 
%A Feng, Jiling 
%A Guo, Yongchang 
%D 2015
%T Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve
%B 2015
%9 Large flow directional valve; radial unbalanced force; Hysteresis; CFD;Hydraulic roof support
%! Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve
%K Large flow directional valve; radial unbalanced force; Hysteresis; CFD;Hydraulic roof support
%X The 1000 L/min large flow hydraulic system for the hydraulic support used in a coal mine is currently a topic of great interest. The large flow directional valve is a key component for hydraulic systems, so the design of the 1000 L/min large flow directional valve is essential. The designed single-channel valve shows serious hysteresis characteristics in a 1000 L/min large flow condition, but it does not happen in a 16 L/min small flow condition. Based on this phenomenon, the computational fluid dynamics (CFD) technology was used to simulate the flow in the valve. It was discovered that the single-channel caused unbalanced pressure in the annular region and on the surface of the valve spool, so the valve spool is subjected to great radial unbalanced force. Then a double-channel valve was designed to improve the pressure distribution. The simulated radial unbalanced force on the double-channel valve is 67.2% lower than that of the single-channel valve. The experimental results showed that the hysteresis characteristics also disappeared under the 1000 L/min large flow condition. Therefore, the conclusion can be drawn that the hysteresis characteristics of the single-channel valve is due to the radial unbalanced force caused by the unsymmetrical flow field. The results show that the maximum radial unbalanced force the valve spool can withstand is 170 N. Furthermore, symmetrical flow passages have to be taken into account in large flow conditions. This paper provides valuable references for the design of large flow valves.
%U https://www.sv-jme.eu/article/research-and-analysis-of-the-hysteresis-characteristics-of-a-large-flow-directional-valve/
%0 Journal Article
%R 10.5545/sv-jme.2015.2487
%& 355
%P 10
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 61
%N 6
%@ 0039-2480
%8 2018-06-27
%7 2018-06-27
Liao, Yaoyao, Hongbing  Yuan, Zisheng  Lian, Jiling  Feng, & Yongchang  Guo.
"Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve." Strojniški vestnik - Journal of Mechanical Engineering [Online], 61.6 (2015): 355-364. Web.  29 Nov. 2021
TY  - JOUR
AU  - Liao, Yaoyao 
AU  - Yuan, Hongbing 
AU  - Lian, Zisheng 
AU  - Feng, Jiling 
AU  - Guo, Yongchang 
PY  - 2015
TI  - Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2015.2487
KW  - Large flow directional valve; radial unbalanced force; Hysteresis; CFD;Hydraulic roof support
N2  - The 1000 L/min large flow hydraulic system for the hydraulic support used in a coal mine is currently a topic of great interest. The large flow directional valve is a key component for hydraulic systems, so the design of the 1000 L/min large flow directional valve is essential. The designed single-channel valve shows serious hysteresis characteristics in a 1000 L/min large flow condition, but it does not happen in a 16 L/min small flow condition. Based on this phenomenon, the computational fluid dynamics (CFD) technology was used to simulate the flow in the valve. It was discovered that the single-channel caused unbalanced pressure in the annular region and on the surface of the valve spool, so the valve spool is subjected to great radial unbalanced force. Then a double-channel valve was designed to improve the pressure distribution. The simulated radial unbalanced force on the double-channel valve is 67.2% lower than that of the single-channel valve. The experimental results showed that the hysteresis characteristics also disappeared under the 1000 L/min large flow condition. Therefore, the conclusion can be drawn that the hysteresis characteristics of the single-channel valve is due to the radial unbalanced force caused by the unsymmetrical flow field. The results show that the maximum radial unbalanced force the valve spool can withstand is 170 N. Furthermore, symmetrical flow passages have to be taken into account in large flow conditions. This paper provides valuable references for the design of large flow valves.
UR  - https://www.sv-jme.eu/article/research-and-analysis-of-the-hysteresis-characteristics-of-a-large-flow-directional-valve/
@article{{sv-jme}{sv-jme.2015.2487},
	author = {Liao, Y., Yuan, H., Lian, Z., Feng, J., Guo, Y.},
	title = {Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {61},
	number = {6},
	year = {2015},
	doi = {10.5545/sv-jme.2015.2487},
	url = {https://www.sv-jme.eu/article/research-and-analysis-of-the-hysteresis-characteristics-of-a-large-flow-directional-valve/}
}
TY  - JOUR
AU  - Liao, Yaoyao 
AU  - Yuan, Hongbing 
AU  - Lian, Zisheng 
AU  - Feng, Jiling 
AU  - Guo, Yongchang 
PY  - 2018/06/27
TI  - Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 61, No 6 (2015): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2015.2487
KW  - Large flow directional valve, radial unbalanced force, Hysteresis, CFD,Hydraulic roof support
N2  - The 1000 L/min large flow hydraulic system for the hydraulic support used in a coal mine is currently a topic of great interest. The large flow directional valve is a key component for hydraulic systems, so the design of the 1000 L/min large flow directional valve is essential. The designed single-channel valve shows serious hysteresis characteristics in a 1000 L/min large flow condition, but it does not happen in a 16 L/min small flow condition. Based on this phenomenon, the computational fluid dynamics (CFD) technology was used to simulate the flow in the valve. It was discovered that the single-channel caused unbalanced pressure in the annular region and on the surface of the valve spool, so the valve spool is subjected to great radial unbalanced force. Then a double-channel valve was designed to improve the pressure distribution. The simulated radial unbalanced force on the double-channel valve is 67.2% lower than that of the single-channel valve. The experimental results showed that the hysteresis characteristics also disappeared under the 1000 L/min large flow condition. Therefore, the conclusion can be drawn that the hysteresis characteristics of the single-channel valve is due to the radial unbalanced force caused by the unsymmetrical flow field. The results show that the maximum radial unbalanced force the valve spool can withstand is 170 N. Furthermore, symmetrical flow passages have to be taken into account in large flow conditions. This paper provides valuable references for the design of large flow valves.
UR  - https://www.sv-jme.eu/article/research-and-analysis-of-the-hysteresis-characteristics-of-a-large-flow-directional-valve/
Liao, Yaoyao, Yuan, Hongbing, Lian, Zisheng, Feng, Jiling, AND Guo, Yongchang.
"Research and Analysis of the Hysteresis Characteristics of a Large Flow Directional Valve" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 61 Number 6 (27 June 2018)

Authors

Affiliations

  • Taiyuan University of Technology, College of Mechanical Engineering, China 1
  • Manchester Metropolitan University, School of Engineering, UK 2

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 61(2015)6, 355-364

https://doi.org/10.5545/sv-jme.2015.2487

The 1000 L/min large flow hydraulic system for the hydraulic support used in a coal mine is currently a topic of great interest. The large flow directional valve is a key component for hydraulic systems, so the design of the 1000 L/min large flow directional valve is essential. The designed single-channel valve shows serious hysteresis characteristics in a 1000 L/min large flow condition, but it does not happen in a 16 L/min small flow condition. Based on this phenomenon, the computational fluid dynamics (CFD) technology was used to simulate the flow in the valve. It was discovered that the single-channel caused unbalanced pressure in the annular region and on the surface of the valve spool, so the valve spool is subjected to great radial unbalanced force. Then a double-channel valve was designed to improve the pressure distribution. The simulated radial unbalanced force on the double-channel valve is 67.2% lower than that of the single-channel valve. The experimental results showed that the hysteresis characteristics also disappeared under the 1000 L/min large flow condition. Therefore, the conclusion can be drawn that the hysteresis characteristics of the single-channel valve is due to the radial unbalanced force caused by the unsymmetrical flow field. The results show that the maximum radial unbalanced force the valve spool can withstand is 170 N. Furthermore, symmetrical flow passages have to be taken into account in large flow conditions. This paper provides valuable references for the design of large flow valves.

Large flow directional valve; radial unbalanced force; Hysteresis; CFD;Hydraulic roof support