GAS DYNAMIC FACE SAEL TIGTNESS UNDER NON-STATIONARY LOADING

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Abstract

This paper presents a new method for calculating leaks of an end gas dynamic seal with spiral grooves in various modes of operation of an aircraft engine. This type of seal has never been used in the design of aircraft engines, however, it has good characteristics in comparison with traditional types of seals. In the developed methodology, the effect of changing the engine operating mode on temperature loads and deformations is investigated. The simulation results are compared with experimental data.

About the authors

Aleksandr S. Vinogradov

Samara National Research University

Email: a.s.vinogradov@list.ru
Moskovskoe shosse, 34, Samara, 443086, Russian Federation

Aleksandr I. Sharonov

Samara National Research University

Email: sharonov.alex0210@gmail.com
Moskovskoe shosse, 34, Samara, 443086, Russian Federation

Il'ya A. Zagadov

Samara National Research University

Author for correspondence.
Email: ilyazagadov@yandex.ru
Moskovskoe shosse, 34, Samara, 443086, Russian Federation

Yuliya V. Komisar

Samara National Research University

Email: komisar.yuv@ssau.ru
Moskovskoe shosse, 34, Samara, 443086, Russian Federation

References

  1. Mueller, H. K. and Nau, B.S. (1998), “Fluid sealing technology”, Marcel Dekker Inc., New York, Chap. 1.
  2. Lebeck, A. O. (1991), “Principles and Design of Mechanical Face Seals”, John Wiley & Sons, New York, Chap. 4, 6.
  3. Harp, S. R. and Salant, R. F. (1998), “Analysis of Mechanical Seal Behavior During Transient Operation”, Journal of Tribology, Vol. 120(2), pp. 191-197.
  4. Falaleev, S. V. and Chegodaev, D. E. (1998), “Face noncontact seals of aircraft engines”, Moscow Aviation Institute, Moscow, Chap. 1, 5. (in Russian)
  5. Etsion, I. (1985), “Mechanical Face Seal Dynamics Update”, The Shock and Vibration Digest, Vol. 17(4), pp. 9–14.
  6. Meyer, E. (1978), “Face seals”, Engineering, Moscow, pp. 6-288.
  7. Muijderman, E.A. (1996), “Spiral groove bearings”, Springer – Verlag, Berlin, Chap. 3.

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Copyright (c) 2023 Vinogradov A.S., Sharonov A.I., Zagadov I.A., Komisar Y.V.

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Journal of Dynamics and Vibroacoustics

ISSN 2409-4579 (Online)

Publisher and Founder: Samara National Research University, 34, Moskovskoye shosse, Samara, 443086, Russian Federation.

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Editor-in-chief:  Academician of the RAS
E. V. Shakhmatov 

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Address for correspondence: 34, Moskovskoye shosse, Samara, 443086, Russian Federation, Samara National Research University (room 324, building 14)

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