An Inter-phasing Stirling Pulse-tube Cryocooler without Reservoirs | Zendy

Jianying Hu | Zendy; L. Zhang | Zendy; Xiaotao Wang | Zendy; Jian Zhu | Zendy; S. Chen | Zendy; H. Li | Zendy; Wei Dai | Zendy; Ercang Luo | Zendy

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An Inter-phasing Stirling Pulse-tube Cryocooler without Reservoirs

Author(s) -

Jianying Hu,

L. Zhang,

Xiaotao Wang,

Jian Zhu,

S. Chen,

H. Li,

Wei Dai,

Ercang Luo

Publication year - 2015

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2015.06.067

Subject(s) - cryocooler , inertance , pulse tube refrigerator , carnot cycle , stirling engine , materials science , tube (container) , mechanics , thermoacoustics , volume (thermodynamics) , piston (optics) , pulse (music) , regenerative heat exchanger , thermodynamics , electrical engineering , physics , heat exchanger , optics , voltage , composite material , engineering , wavefront

Asubstantial fraction of the volume of a traditional pulse-tube cryocooler is occupied by a reservoir, which greatly reduces the specificpower of the cryocooler. This is undesirable for applications that require a small size and light weight.This paper presents aninter-phasing pulse-tube cryocooler conjoining two or more cold fingers via their inertance tubes. Because the volume flow in the cold fingers are elaborately adjusted to make the total volume flow into the junction of the inertance tubes zero, the reservoirs are allowed to be removed. Experimentsdemonstrated that, with an electric input power of 1kW, the cooling power at 77K reached 59.8W, corresponding to a relative Carnot efficiency of 16.8%. Compared with a traditional pulse-tube cryocooler, this cryocooler canachieve the same cooling performance

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