Onset of Thermoacoustic Oscillations in Flexible Transfer Lines for Liquid Helium

Autor:	M. Krzyzowski, U. Hesse, S Kloeppel, N. Dittmar, Ch. Haberstroh, M. Wolfram, A. Raccanelli
Rok vydání:	2015
Předmět:	Liquid helium Physics Oscillations Oscillation Evaporation rate Transfer line Thermoacoustics Mechanics Physics and Astronomy(all) Mathematics::Numerical Analysis law.invention Idle law Transfer (computing) Cryogenic transfer line Thermoacoustic heat engine
Zdroj:	Physics Procedia. 67:348-353
ISSN:	1875-3892
DOI:	10.1016/j.phpro.2015.06.099
Popis:	Thermoacoustic oscillations in flexible transfer lines result in an increased evaporation rate of stored cryogen. This kind of os- cillation is barely regarded since it only occurs in idle state, i.e. no liquid helium is transferred and a considerable part of the transfer line is close to ambient temperature. The examination of prototype transfer lines with built-in sensors has resulted in a unique knowledge of the oscillation characteristics. As a consequence thermoacoustic oscillations are considered as a common phenomenon in idle flexible transfer lines. The presented paper discusses the conditions for the establishment and a strategy for mitigating thermoacoustic oscillations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::909aa24e4c99212fec3caf7b0ee7d4fa https://doi.org/10.1016/j.phpro.2015.06.099 Zobrazit plný text záznamu