The superfluid vortex cooler

I. Tanaeva; A.T.A.M. Waele, de; U. Lindemann; N. Jiang; G. Thummes

doi:10.1063/1.2001730

The superfluid vortex cooler

I. Tanaeva, A.T.A.M. Waele, de, U. Lindemann, N. Jiang, G. Thummes

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Abstract

In this contribution a superfluid vortex cooler (SVC) is described. A SVC is a cooling device, the operation of which is based on the special properties of superfluid helium (He II). The SVC is small, simple, has no moving parts, and is gravity independent. It is capable of reaching temperatures as low as 0.65 K. First we have carried out a number of experiments, using a liquid-helium bath as a precooler for the SVC. Various geometries of the cooler components as well as the influence of the working pressure and the base temperature on the performance of the cooler have been investigated. Temperature below 1 K have been reached with a base temperature of 1.4 K. The next step has been combining the SVC with a pulse-tube refrigerator. In a preliminary experiment a lowest temperature of 1.19 K has been reached. Several ways to improve the system are suggested.

Original language	English
Article number	034911
Pages (from-to)	034911-1/8
Journal	Journal of Applied Physics
Volume	98
Issue number	3
DOIs	https://doi.org/10.1063/1.2001730
Publication status	Published - 2005

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title = "The superfluid vortex cooler",

abstract = "In this contribution a superfluid vortex cooler (SVC) is described. A SVC is a cooling device, the operation of which is based on the special properties of superfluid helium (He II). The SVC is small, simple, has no moving parts, and is gravity independent. It is capable of reaching temperatures as low as 0.65 K. First we have carried out a number of experiments, using a liquid-helium bath as a precooler for the SVC. Various geometries of the cooler components as well as the influence of the working pressure and the base temperature on the performance of the cooler have been investigated. Temperature below 1 K have been reached with a base temperature of 1.4 K. The next step has been combining the SVC with a pulse-tube refrigerator. In a preliminary experiment a lowest temperature of 1.19 K has been reached. Several ways to improve the system are suggested.",

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AU - Tanaeva, I.

AU - Waele, de, A.T.A.M.

AU - Lindemann, U.

AU - Jiang, N.

AU - Thummes, G.

PY - 2005

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AB - In this contribution a superfluid vortex cooler (SVC) is described. A SVC is a cooling device, the operation of which is based on the special properties of superfluid helium (He II). The SVC is small, simple, has no moving parts, and is gravity independent. It is capable of reaching temperatures as low as 0.65 K. First we have carried out a number of experiments, using a liquid-helium bath as a precooler for the SVC. Various geometries of the cooler components as well as the influence of the working pressure and the base temperature on the performance of the cooler have been investigated. Temperature below 1 K have been reached with a base temperature of 1.4 K. The next step has been combining the SVC with a pulse-tube refrigerator. In a preliminary experiment a lowest temperature of 1.19 K has been reached. Several ways to improve the system are suggested.

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

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The superfluid vortex cooler

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