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THERMAL ACOUSTIC OSCILLATIONS IN TRIPLE POINT LIQUID HYDROGEN SYSTEMS.

Author(s) : GU Y. F., TIMMERHAUS K. D.

Type of article: Article, IJR article

Summary

THERMAL ACOUSTIC OSCILLATIONS ARE OFTEN OBSERVED IN TUBES WHICH PENETRATE A CRYOGENIC SYSTEM AND ARE CLOSED AT THE WARM END AND OPEN AT THE COLD END. SUCH TUBES ARE GENERALLY USED FOR FILLING OR VENTING THE TANK. LARGE AMOUNTS OF HEAT CAN BE TRANSFERRED INTO A CRYOGENIC SYSTEM WHEN SUCH THERMAL OSCILLATIONS OCCUR. A NUMBER OF STUDIES EXAMINING THERMAL ACOUSTIC OSCILLATIONS IN LIQUID HELIUM SYSTEMS HAVE BEEN PERFORMED BY ROTT ET AL. HOWEVER, ONLY MINIMAL CONSIDERATION HAS BEEN GIVEN TO SUCH OSCILLATIONS IN LIQUID AND SLUSH HYDROGEN SYSTEMS. THE STUDY EXTENDS ROTT'S THEORY TO THE STABILITY ASPECTS OF THERMAL ACOUSTIC OSCILLATIONS FOR A STRAIGHT TUBE CLOSED AT THE WARM END AND INSERTED INTO ADEWAR FLASK FILLED WITH TRIPLE POINT LIQUID HYDROGEN WHEN THE COLD OPEN END IS LOCATED ABOVE THE LIQUID SURFACE. CONCLUSIONS ARE GIVEN.

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Pages: 282-291

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Details

  • Original title: THERMAL ACOUSTIC OSCILLATIONS IN TRIPLE POINT LIQUID HYDROGEN SYSTEMS.
  • Record ID : 1992-0469
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 14 - n. 5
  • Publication date: 1991/09

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