Walton, J.F., at.al. "The Effects of Internal Rotor Friction on Dynamic Characteristics of Turbopumps," Proceedings Advanced Earth-to-Orbit Propulsion Technology, NASA-CP-2437 Vol. II, pp 33-61, May 13-15, 1986.

Walton, J.F., at.al. “The Effects of Internal Rotor Friction on Dynamic Characteristics of Turbopumps,” Proceedings Advanced Earth-to-Orbit Propulsion Technology, NASA-CP-2437 Vol. II, pp 33-61, May 13-15, 1986.

An analytic model developed to determine the stiffness and damping for an axial spline is presented. Following the analytical development, a series of parametric evolutions showing the destabilizing effects of the axial spline on a supercritical rotor system is also presented.


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