On the Vacuum Pumps of Gradational Lead Screws with Compressibility
碩士 === 大葉大學 === 自動化工程學系碩士班 === 92 === This paper applying the differential geometry, coordinate system method, and conjugating surfaces meshing theory, the mathematical models of the screw rotor surfaces can be derived, can effective reduce noise when screw rotor revolve in high speed, opened root o...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2004
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| Online Access: | http://ndltd.ncl.edu.tw/handle/63838789253543589661 |