ShareTRANSIENT BURN-OUT IN LIQUID HELIUM WITH RAPID RISE OF HEAT FLUX.
Author(s) : PAVLOV Ju. M., BABITCH V. I.
Type of article: Article
Summary
HEAT INPUT IN THE OPEN VERTICAL CHANNEL WITH LIQUID HELIUM WAS INCREASED LINEARLY. THE RATE OF INCREASE ON HEAT FLUX WAS VARIED FROM 100 TO 23,000 W/M2.S. WHEN HEAT INPUT ROSE RAPIDLY, BURN-OUT SIMULTANEOUSLY APPEARED OVER THE ENTIRE CHANNEL LENGTH. THIS CAN BE EXPLAINED BY THE PECULIARITIES OF UNSTEADY HYDRODYNAMICS. A PHYSICAL MODEL OF TRANSIENT BOILING BURN-OUT IN A POOL AND IN CHANNELS IS PRESENTED. RELATIONSHIPS FOR SOME FORMS OF HEAT FLUX VARIATION IN TIME HAVE BEEN DERIVED. PRESENT EXPERIMENTAL DATA AND RESULTS OF OTHER AUTHORS ARE VERIFIED BY MEANS OF THE DEVELOPED MODEL.
Details
- Original title: TRANSIENT BURN-OUT IN LIQUID HELIUM WITH RAPID RISE OF HEAT FLUX.
- Record ID : 1988-2238
- Languages: English
- Source: Cryogenics - vol. 27 - n. 11
- Publication date: 1987
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Indexing
- Themes: Mass transfer
- Keywords: Helium; Calculation; Liquid helium; Heat transfer; Boiling
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- Date : 1986/09/01
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- Date : 1993
- Languages : English
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- Date : 1990
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