The Impact of Sliding Blades in a Rotary Compressor | Zendy

Yuan Mao Huang | Zendy; Yung-Shane Liaw | Zendy

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The Impact of Sliding Blades in a Rotary Compressor

Author(s) -

Yuan Mao Huang,

Yung-Shane Liaw

Publication year - 1999

Publication title -

journal of mechanical design

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.911

H-Index - 120

eISSN - 1528-9001

pISSN - 1050-0472

DOI - 10.1115/1.1416150

Subject(s) - von mises yield criterion , finite element method , contact mechanics , structural engineering , gas compressor , stress (linguistics) , displacement (psychology) , modal , modal analysis , engineering , contact force , blade (archaeology) , mechanical engineering , materials science , physics , classical mechanics , composite material , psychology , linguistics , philosophy , psychotherapist

The purpose of this study was to analyze the impact of blades with slots in a rotary compressor. The equations for contact forces were derived from Newton's law. Updated moving Lagrangian descriptions with the hybrid technique and the Newark time integration method were used to determine the nodal displacement vectors. The finite element method was used to analyze the contact forces and the stresses of blades. The maximum blade contact force of 2.3 KN was larger than the maximum static force of 1 KN. The maximum blade impact Von Mises stress of 12.3 Mpa that occurred at the contact point was greater than the previous calculated static stress of 5.15 Mpa. Hence, the impact effect was significant. Experimental modal analysis was also used to determine the first and second natural frequencies of blades.

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