Thermodynamics of a closed-cycle gas flow system for cooling a HTc dc-SQUID magnetometer

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Bosch, P.J. van den and Brake, H.J.M. ter and Eijkel, G.C. van den and Boelens, J.P. and Holland, H.J. and Verberne, J.F.C. and Rogalla, H. (1994) Thermodynamics of a closed-cycle gas flow system for cooling a HTc dc-SQUID magnetometer. Cryogenics, 34 (suppl.). pp. 143-150. ISSN 0011-2275

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Abstract:A multichannel high-Tc dc-SQUID based heart-magnetometer is currently under development in our laboratory. The system is cooled by a cooler that, due to its magnetic interference, has to be separated from the SQUID unit. In the present prototype system a closed-cycle gas flow was chosen as the interface between the SQUID unit and the cooler (a Leybold Heraeus RG 210). In this paper the prototype system is shortly described, its thermodynamic behaviour is considered and simulations are compared with experimental results.
Item Type:Article
Copyright:© 1994 Elsevier Science
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/23794
Official URL:http://dx.doi.org/10.1016/S0011-2275(05)80030-X
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