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RISA Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Efficient and accurate parameter identification methods are urgently needed to develop high-performance sealing devices. Although the existing prediction methods have been widely validated, researchers are still grappling ...
Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Labyrinth seals are widely applied in the turbomachinery to control the leakage flow through the clearance between stationary and rotating components. The fluid excitation induced by the labyrinth seal would deteriorate ...
Inlet Preswirl Effects on the Leakage and Dynamic Characteristics of a Labyrinth Seal: Experimental Results and Computational Fluid Dynamics Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fluid-induced forces generated by annular gas seals have aroused considerable attention owing to their substantial impact on the rotordynamic stability of turbomachinery. Positive preswirl at the seal entrance has been ...