INVESTIGATION OF CRYOGENIC TEMPERATURES INFLUENCE ON VALVE SEALS PRESSURIZATION INCREASE


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Abstract

This article deals with short description of cryogenic valves and calculation of specific load in sealing, results of experimental researches of separate dimensions of multi-layer bellows and results of comparative tests of valve sealing. Plant of valve testing in liquid hydrogen is also described.

About the authors

Yu. I. Kondrashov

Samara University

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

A. L. Lopatin

Samara University

Email: kon-urij@yandex.ru
Russian Federation, 34,Moskovskoe shosse, Samara, Russian Federation 443086

References

  1. Butkevich I.K. Cryogenic installations and systems: Textbook. manual.- M .: Publishing house of the Moscow State Technical University named after. N.E. Bauman. 2008 .— 151 p.
  2. GOST 21744-81 Multilayer metal bellows. Technical conditions.
  3. Solntsev Yu.P., Stepanov G.A. Materials in cryogenic technology: Handbook. - L .: Mechanical engineering, Leningrad. department, 1982 .— 312 p.
  4. Investigation of the stress-strain state of a valve seal based on polycarbonate / Kondrashov Yu.I., Zhuravlev OI, Shorin VP, Tushov Ye.V. - PTS "Technology of Aviation Instrumentation and Aggregate Engineering"; 1984, no. 4, p. 71-73.
  5. Dovgyallo A.I. Bellows thermomechanical transducers. Samara Scientific Center of the Russian Academy of Sciences. - Samara, 2000 .— 182 p .: ill.

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Copyright (c) 2021 Kondrashov Y.I., Lopatin A.L.

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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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e-mail: dynvibro@ssau.ru

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