Trapping-Free Rotors for High-Sealing Lobe Pumps-Reference-Cited by-同舟云学术

Trapping-Free Rotors for High-Sealing Lobe Pumps

Published:1999-07-01 Issue:4 Volume:122 Page:536-542
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Liu Hung-Cheng¹,Tong Shih-Hsi¹,Yang Daniel C. H.¹

Affiliation:

1. Mechanical and Aerospace Engineering Department, School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA 90095

Abstract

In this paper a method for the design of new rotor profiles for high-sealing lobe pump is presented. The objective of this research is to improve the sealing property of lobe pumps by designing chamber profile conforming rotors. The deviation function method is adopted for the design. The resultant rotors are trapping-free and have C1 continuity. A design procedure for rotor generation is also developed. A sealing index is defined to evaluate the sealing property of lobe pumps. Our results show that it is possible to design many new rotor profiles that have better sealing property than conventional involute rotors. [S1050-0472(00)01304-0]

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/122/4/536/5686382/536_1.pdf

Reference7 articles.

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3. Cheremisiroff, N. P., and Cheremisiroff, P. N., 1992, Pumps and Pumping Operations, Prentice Hall, Englewood Cliffs, NJ.

4. Mimmi, G. C., and Pennacchi, P. E., 1998, “Computation of Pressure Loads in the Three-Lobe Supercharger,” MECH 5832, ASME Design Engineering Technical Conferences, Sep. 13–16, Atlanta, GA.

5. Fox, R. W., and McDonald, A. T., 1992, Introduction to Fluid Mechanics, John Wiley & Sons, New York.

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