J. Kiciński, “Rotor dynamics ― still open questions,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139791, 2021, doi: 10.24425/ bpasts.2021.139791.
S. Nitzschke, Ch. Ziese, and E. Woschke, “Analysis of dynamical behaviour of full-floating disk thrust bearings,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139001, 2021, doi: 10.24425/bpasts.2021.139001.
J. Zapoměl and P. Ferfecki, “Vibration control of rotors mounted in hydrodynamic bearings lubricated with magnetically sensitive oil by changing their load capacity,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e137988, 2021, doi: 10.24425/bpasts.2021.137988.
P. Kurnyta-Mazurek, T. Szolc, M. Henzel, and K. Falkowski, “Control system with a non-parametric predictive algorithm for a high- speed rotating machine with magnetic bearings,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e137988, 2021, doi: 10.24425/ bpasts.2021.138998.
J. Jungblut, Ch. Fischer, and S. Rinderknecht, “Active vibration control of a gyroscopic rotor using experimental modal analysis,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e138090, 2021, doi: 10.24425/bpasts.2021.138090.
T. Drapatow, O. Alber, and E. Woschke, “Consideration of fluid inertia and cavitation for transient simulations of squeeze film damped rotor systems,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139201, 2021, doi: 10.24425/bpasts.2021.139201.
B. Schüßler, T. Hopf, and S. Rinderknecht, “Simulative investigation of rubber damper elements for planetary touch-down bearings,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139615, 2021, doi: 10.24425/bpasts.2021.139615.
G. Quinz, M. Prem, M. Klanner, and K. Ellermann, “Balancing of a linear elastic rotor-bearing system with arbitrarily distributed un- balance using the Numerical Assembly Technique,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e138237, 2021, doi: 10.24425/ bpasts.2021.138237.
M. Klanner, M. Prem, and K. Ellermann, “Quasi-analytical solutions for the whirling motion of multi-stepped rotors with arbitrarily distributed mass unbalance running in anisotropic linear bearings,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e138999, 2021, doi: 10.24425/bpasts.2021.138999.
S. Bastakoti et. al., “Model-based residual unbalance identification for rotating machines,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139790, 2021, doi: 10.24425/bpasts.2021.139790.
T. Szolc and R. Konowrocki, “Research on stability and sensitivity of the rotating machines with overhung rotors to lateral vibrations,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e137987, 2021, doi: 10.24425/bpasts.2021.137987.
Ch. Prasad, P. Snabl, and L. Pešek, “A meshless method for subsonic stall flutter analysis of turbomachinery 3D blade cascade,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139000, 2021, doi: 10.24425/bpasts.2021.139000.
F. Gaulard, J. Schmied, and A. Fuchs, “State-of-the-art rotordynamic analyses of pumps”, Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e139316, 2021, doi: 10.24425/bpasts.2021.139316.