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Nonlinear Flutter Analysis of Labyrinth Seals
Journal of Turbomachinery, 2022Abstract A simple nonlinear model to describe labyrinth seal flutter has been developed to assess the aeromechanic stability of straight-through labyrinth seals subjected to large gap variations. The model solves the one-dimensional integral mass, momentum, and energy equations of the seal for a prescribed motion numerically until a ...
Corral, Roque +2 more
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Journal of Aircraft, 1972
An analysis of unsteady airfoil stall and stall flutter is presented that is based on a series of approximations. Unsteady aerodynamic characteristics are related theoretically to static aerodynamic characteristics. Preliminary results show good agreement with experimental dynamic stall data.
L. ERICSSON, J. REDING
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An analysis of unsteady airfoil stall and stall flutter is presented that is based on a series of approximations. Unsteady aerodynamic characteristics are related theoretically to static aerodynamic characteristics. Preliminary results show good agreement with experimental dynamic stall data.
L. ERICSSON, J. REDING
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Coupled mode flutter analysis using flutter derivatives
Journal of Wind Engineering and Industrial Aerodynamics, 1992Abstract The “classical” coupled bending-torsion flutter of long-span bridges, possessing 3-dimensional vibration modes, is investigated both analytically and experimentally. In the analysis, self-excited forces are defined by using the so-called flutter derivatives.
H. Tanaka, N. Yamamura, M. Tatsumi
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