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

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 poros...

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Veröffentlicht in:	Chemical and petroleum engineering 2019-05, Vol.55 (1-2), p.136-141
Hauptverfasser:	Ankudinov, V. B., Marukhin, Yu. A., Ogorodnikov, V. P., Ryzhkov, V. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Analysis Camping equipment Ceramics Chemistry Chemistry and Materials Science Cooling Geotechnical Engineering & Applied Earth Sciences Heat exchangers Heating equipment Industrial Chemistry/Chemical Engineering Industrial Pollution Prevention Metals (Materials) Mineral Resources Porosity Rare earth metals Regenerative heat exchangers Specialty metals industry
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Beschreibung
Zusammenfassung:	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.
ISSN:	0009-2355 1573-8329
DOI:	10.1007/s10556-019-00593-x