Influence of the Properties of Regenerative Heat Exchanger Packing Material on the Efficiency of a Gifford–Mcmahon Cryocooler

V. B. Ankudinov; Yu. A. Marukhin; V. P. Ogorodnikov; V. A. Ryzhkov

doi:10.1007/s10556-019-00593-x

Influence of the Properties of Regenerative Heat Exchanger Packing Material on the Efficiency of a Gifford–Mcmahon Cryocooler

Autores: Ankudinov V.B.¹, Marukhin Y.A.¹, Ogorodnikov V.P.¹, Ryzhkov V.A.¹
Afiliações:
1. Moscow Power Engineering Institute
Edição: Volume 55, Nº 1-2 (2019)
Páginas: 136-141
Seção: Article
URL: https://bakhtiniada.ru/0009-2355/article/view/236503
DOI: https://doi.org/10.1007/s10556-019-00593-x
ID: 236503

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The influence of the packing material and porosity in a lower stage of a regenerative heat exchanger on the operating efficiency of a GM cryocooler has been studied. Experiments were used to quantify the decrease in cooling capacity when replacing lead by tin. It is found that reduction in the porosity of the material leads to a decrease in cooling capacity of the cryocooler.