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Author(s):
Pugachev, A. O.; Deckner, M. 
Title:
Analysis of the Experimental and CFD-Based Theoretical Methods for Studying Rotordynamic Characteristics of Labyrinth Gas Seals 
Abstract:
This paper presents an analysis of the experimental and theoretical methods used to study rotordynamic characteristics of short staggered labyrinth gas seal. Two experimental identification procedures referred to as static and dynamic methods are presented. The static method allows determining direct and cross-coupled stiffness coefficients of the seal by integrating measured circumferential pressure distribution in cavities at various shaft eccentric positions. In the dynamic method, identifica...    »
 
Book / Congress title:
Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air 
Year:
2010 
Pages:
13 
Bookseries volume:
GT2010-22058