1. Iwatsubo, T., “Evaluation of Instability Forces of Labyrinth Seals in Turbines or Compressors,” Proc. Rotordynamic Instability Problems in High Performance Turbomachinery, NASA CP-2133, Texas A&M University, pp.139–167, 1980.
2. Scharrer, J.K., “Theory versus Experiment for the Rotordynamic Coefficients of Labyrinth Gas Seals: Part I — A Two control Volume Model,” Proc. ASME 11th Biennial Conf. on Mechanical Vibration and Noise, Rotating Machinery Dynamics Vol. 2, pp.411–426, 1987.
3. Childs, D.W., Scharrer, J.K., “Theory versus Experiment for the Rotordynamic Coefficients of Labyrinth Gas Seals: Part II-A Comparison to Experiment,” Proc. ASME 11th Biennial Conf. on Mechanical Vibration and Noise, Rotating Machinery Dynamics vol. 2, pp.427–434, 1987.
4. Kirk, R. G., “Evaluation of Aerodynamic Instability Mechanisms for Centrifugal Compressors — Part II: Advanced Analysis,” J. of Vibration, Acoustics, Stress and Reliability in Design, 110(2), pp. 207–212, 1988.
5. Kirk, R. G., “A Method for Calculating Labyrinth Seal Inlet Swirl Velocity,” ASME J. Vibration and Acoustics, 112(3), pp. 380–383, 1990.