Heat and mass transfer in two-phase He I thermosiphon flow

Baudouy, Bertrand

doi:10.1063/1.1472185

Cited by 22 publications

(9 citation statements)

References 5 publications

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“…The experimental literature data concerning nitrogen thermo-siphon cooling is minimal, though some measurement results have been reported for pressure drop, and heat and mass transfer for the a He-I supplied thermo-siphon loop [3][4][5].…”

Section: Experimental Test Set-up and Proceduresmentioning

confidence: 99%

Performance Study of Liquid Nitrogen Thermo-Siphon Cooling Loop

Kar¹,

Kumar²,

Choudhury³

et al. 2010

AIP Conference Proceedings

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A RF-superconducting linear accelerator (LINAC) booster for the existing 15UD Pelletron accelerator is presently under construction at Inter-University Accelerator Centre in New Delhi, India. The LINAC will make use of superconducting niobium quarter-wave resonators (QWR) as the accelerating element, and will consist of three accelerating cryomodules. A gravity-assisted (thermo-siphon) flow scheme with liquid nitrogen has been proposed to cool the thermal radiation shields of the LINAC cryomodules. A small test rig of the thermo-siphon loop has been developed to simulate and investigate the chosen aspects of the proposed configuration. The experimental work has been focused on the thermal performances of the specially designed copper clamps and optimization of the system engineering parameters. The paper presents the results of the thermo-siphon measurements and the qualitative description of the investigated phenomena.

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Section: Experimental Test Set-up and Proceduresmentioning

confidence: 99%

Performance Study of Liquid Nitrogen Thermo-Siphon Cooling Loop

Kar¹,

Kumar²,

Choudhury³

et al. 2010

AIP Conference Proceedings

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“…The flow of liquid helium through these channels is driven by the thermosiphon effect [18]. Since, as far as we know, the thermosiphon concept has not been used before in superconducting wigglers or undulators, an R&D program dedicated to verifying the concept was carried out at the APS in collaboration with the University of WisconsinMadison.…”

Section: B Cryostat and Cooling Systemmentioning

confidence: 99%

Development and operating experience of a short-period superconducting undulator at the Advanced Photon Source

Ivanyushenkov¹,

Harkay²,

Abliz³

et al. 2015

Phys. Rev. ST Accel. Beams

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A decade-long effort at the Advanced Photon Source (APS) of Argonne National Laboratory (ANL) on development of superconducting undulators culminated in December 2012 with the installation of the first superconducting undulator "SCU0" into Sector 6 of the APS storage ring. The device was commissioned in January 2013 and has been in user operation since. This paper presents the magnetic and cryogenic design of the SCU0 together with the results of stand-alone cold tests. The initial commissioning and characterization of SCU0 as well as its operating experience in the APS storage ring are described.

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“…The concept is based on their successful superconducting wiggler program and is a mixture of proven and new techniques: The basic cryocoolerbased concept and use of LHe reservoir is proven, while the thermosiphon technique is a new development. Thermosiphon technology is well established for cryogenic applications [6], although the horizontal layout of the system and correspondingly small liquid head limit circulation. A major thrust of the R&D program is to verify reasonable thermosiphon performance in this geometry.…”

Section: Cryostatmentioning

confidence: 99%

Cryostat design and development for a superconducting undulator for the APS

Fuerst¹,

Doose²,

Hasse³

et al. 2012

AIP Conference Proceedings

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The Advanced Photon Source (APS) upgrade project at Argonne National Laboratory includes the implementation of superconducting undulator insertion devices. A development program is under way to build, test, and operate a prototype device in the storage ring. We present the overall design concept including superconducting magnet structure, cryocooler-based cooling system, and cryostat as well as a status report on the R&D program. Results of cryocooler performance characterization using a model magnet in a test cryostat are described.

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Heat and mass transfer in two-phase He I thermosiphon flow

Abstract: The paper presents the experimental set-up that is under construction at Service des Techniques de Cryogénie et Magnétisme located at Saclay. It describes the cryostat, the test section and the instrumentation that constitutes this experimental work.

Cited by 22 publications

References 5 publications

Performance Study of Liquid Nitrogen Thermo-Siphon Cooling Loop

Performance Study of Liquid Nitrogen Thermo-Siphon Cooling Loop

Development and operating experience of a short-period superconducting undulator at the Advanced Photon Source

Cryostat design and development for a superconducting undulator for the APS

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