Labyrinth seals are commonly found in turbines and compressors. Their objective is to control gas leakage from high pressure regions to low pressure regions. The correct prediction and control of this leakage is crucial for the efficient and economic operation of turbomachinery. In this paper we present approaches for obtaining the above prediction in a simple analytical and explicit method. Both constant and pressure dependent flow coefficients are incorporated in the present study which extends to the higher inlet/outlet pressure differences. The results obtained with our methods compare favorably with the ones obtained by both numerical and experimental techniques. In many cases there is hardly a distinction between our results and the numerical prediction.
Analytical Prediction Techniques for Axisymmetric Flow in Gas Labyrinth Seals
Contributed by the Structures and Dynamics Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received by the S&D Division, April 18, 2000; final revision received by the ASME Headquarters May 12, 2000. Editor: H. D. Nelson.
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Yucel, U., and Kazakia , J. Y. (May 12, 2000). "Analytical Prediction Techniques for Axisymmetric Flow in Gas Labyrinth Seals ." ASME. J. Eng. Gas Turbines Power. January 2001; 123(1): 255–257. https://doi.org/10.1115/1.1340630
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