Investigation on the internal thermal link of pulse tube refrigerators

被引：2

作者：

Koettig, T. ^{[1
]}

Moldenhauer, S. ^{[1
]}

Patze, M. ^{[1
]}

Thurk, M. ^{[1
]}

Seidel, P. ^{[1
]}

机构：

[1] Univ Jena, Inst Festkorperphys, D-07743 Jena, Germany

来源：

CRYOGENICS | 2007年 / 47卷 / 03期

关键词：

pulse tube (E); regenerators (E); heat transfer (C); thermal conductivity (C);

D O I：

10.1016/j.cryogenics.2006.10.003

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Within a pulse tube refrigerator (PTR) in coaxial configuration the pulse tube is located inside the regenerator matrix in axial direction. An internal thermal contact between these two main components of the coldfinger occurs. The experimental investigation of the direction and the quantity of transferred heat is in focus of this paper. Intermediate cooling of the regenerator by the corresponding part of its own pulse tube can improve the cooling performance of a PTR. Therefore, a well-adapted geometrical arrangement between the pulse tube and the regenerator is essential, considering the temperature distribution inside the coldfinger. We deduce design parameters to optimise the configuration of coaxial PTRs. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：137 / 142

页数：6

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