A profiled chamber metering pump (PCMP) is a new type of positive-displacement vane pump which is composed of a special stator and a rotor–slide assembly. The face-shaped curve of the inner chamber of the stator is formed by means of two quarter circular arcs and two quarter noncircular arcs, and one of the two quarter noncircular arcs is defined as transition curve. The geometry of the transition curve directly affects the dynamic performances of the pump system, including its mechanical vibration, friction, wear, and kinetic losses. This paper discusses a set of dynamic analysis methods that combine kinetic loss control with vibration control for optimization of the transition curve of the PCMP. At first, basic conception and work line on the method are explained. In a second step, by means of force analysis, a kinetic loss model is established. Then, the model is used to examine a group of vibration optimized curves in polynomial form, and kinetic losses caused by different mechanical resistance forces are calculated. Finally, through a comparison analysis together with vibration and kinetic losses, comprehensive optimal transition curves can be obtained.
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July 2016
Research-Article
A Dynamic Analysis on the Transition Curve of Profiled Chamber Metering Pump
Hua Lei,
Hua Lei
School of Aeronautics and Astronautics,
Zhejiang University,
Hangzhou, Zhejiang 310027, China
Zhejiang University,
Hangzhou, Zhejiang 310027, China
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Huijün Hu,
Huijün Hu
China Academy of Arts,
Hangzhou, Zhejiang 310002, China
Hangzhou, Zhejiang 310002, China
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Yang Lu
Yang Lu
School of Aeronautics and Astronautics,
Zhejiang University,
Hangzhou, Zhejiang 310027, China
e-mail: zd_luyang@126.com
Zhejiang University,
Hangzhou, Zhejiang 310027, China
e-mail: zd_luyang@126.com
Search for other works by this author on:
Hua Lei
School of Aeronautics and Astronautics,
Zhejiang University,
Hangzhou, Zhejiang 310027, China
Zhejiang University,
Hangzhou, Zhejiang 310027, China
Huijün Hu
China Academy of Arts,
Hangzhou, Zhejiang 310002, China
Hangzhou, Zhejiang 310002, China
Yang Lu
School of Aeronautics and Astronautics,
Zhejiang University,
Hangzhou, Zhejiang 310027, China
e-mail: zd_luyang@126.com
Zhejiang University,
Hangzhou, Zhejiang 310027, China
e-mail: zd_luyang@126.com
1Corresponding author.
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received December 25, 2014; final manuscript received March 17, 2016; published online May 6, 2016. Assoc. Editor: Fu-Cheng Wang.
J. Dyn. Sys., Meas., Control. Jul 2016, 138(7): 071003 (10 pages)
Published Online: May 6, 2016
Article history
Received:
December 25, 2014
Revised:
March 17, 2016
Citation
Lei, H., Hu, H., and Lu, Y. (May 6, 2016). "A Dynamic Analysis on the Transition Curve of Profiled Chamber Metering Pump." ASME. J. Dyn. Sys., Meas., Control. July 2016; 138(7): 071003. https://doi.org/10.1115/1.4033174
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