IMPROVEMENT OF CRYOVESSELS THERMAL SHIELDING

Authors

  • Г. Г. Жунь Национальный технический университет «Харьковский политехнический институт», ул. Кирпичёва, 2, Харьков, Украина, 61002, Ukraine https://orcid.org/0000-0003-3765-983X
  • О. Е. Борщ Национальный технический университет «Харьковский политехнический институт», ул. Кирпичёва, 2, Харьков, Украина, 61002, Ukraine https://orcid.org/0000-0001-9456-8016

DOI:

https://doi.org/10.18198/j.ind.gases.2017.0872

Keywords:

Cryovessel, Thermal shielding, Superisolation, Vacuum pumping, Heating, Temperature, Pressure

Abstract

The technique is developed for the first time providing optimal pressure   in a vessel thermal shielding, at which the shielding effective thermal conductivity does not further depend on this parameter. To achieve the result, an accelerated process is proposed for thermal vacuum degassing of isolation cavities of cryovessels in electrical oven at temperature 390 K during 160–180 hours until experimentally determined value of optimal gassing. The development of the method for building cryovessels with optimal gas pressure in the thermal shielding is an important stage for their improvement and also promotes further studies for getting better characteristics. 

Author Biographies

Г. Г. Жунь, Национальный технический университет «Харьковский политехнический институт», ул. Кирпичёва, 2, Харьков, Украина, 61002

G.G. Zhun’, Doctor of Technical Sciences

О. Е. Борщ, Национальный технический университет «Харьковский политехнический институт», ул. Кирпичёва, 2, Харьков, Украина, 61002

O. E. Borsch

Downloads

Issue

Vol. 17 No. 3 (2017): Технические газы

Section

THERMOPHYSICAL PROPERTIES OF GASES AND THEIR MIXTURES. THERMODYNAMIC ANALYSIS OF PROCESSES IN LOW-TEMPERATURE SYSTEMS

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