Attaining the liquid helium temperature with a compact pulse tube cryocooler for space applications
Sign Up to like & getrecommendations! Published in 2019 at "Science China Technological Sciences"
DOI: 10.1007/s11431-019-1471-7
Abstract: Recent breakthroughs in space science have motivated space exploration programs in many countries including China. Cryocoolers, which provide the mandatory low-temperature environment for many sensitive yet delicate space detectors, are crucial for the proper functioning… read more here.
Keywords: space; temperature; helium temperature; cryocooler ... See more keywords
Parametric study of a free-piston Stirling cryocooler capable of providing 350 W cooling power at 80 K
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.115101
Abstract: Abstract High cooling capacity free-piston Stirling cryocooler (FPSC) has been considered a promising candidate for high temperature superconducting and gas liquefaction applications, which require a cost effective and highly reliable cryocooler capable of providing large… read more here.
Keywords: piston stirling; capable providing; cooling power; power ... See more keywords
Performance of a multi-stage thermoacoustically-driven pulse tube cryocooler: Uncertainty quantification and sensitivity analysis
Sign Up to like & getrecommendations! Published in 2022 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.117653
Abstract: Abstract The current paper presents the broad-range sensitivity analysis and uncertainty quantification for the performance of a thermoacoustically-driven pulse tube cryocooler to make it robustly perform using a low-grade heat source. Accordingly, the onset and… read more here.
Keywords: cryocooler; performance; uncertainty; stage ... See more keywords
Stirling pulse tube cryocooler using an active displacer
Sign Up to like & getrecommendations! Published in 2018 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2018.10.004
Abstract: Abstract An in-line pulse tube cryocooler with an active displacer has been built and its performance has been examined in detail by experimental measurements and numerical modelling. An active displacer allows the mass flow at… read more here.
Keywords: tube cryocooler; pulse tube; active displacer; cryocooler ... See more keywords
Numerical and experimental study of VM type pulse tube cryocooler with multi-bypass operating below 4 K
Sign Up to like & getrecommendations! Published in 2019 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2019.01.004
Abstract: Abstract The Vuilleumier (VM) type pulse tube cryocooler (VPTC) is a new kind of 4 K cryocooler which had been experimentally verified. This paper presents the recent advances on a 4 K VPTC in our laboratory. First,… read more here.
Keywords: cryocooler; type pulse; multi bypass; tube cryocooler ... See more keywords
Design and construction of a 1.8 K superfluid 4He system with a G-M cryocooler
Sign Up to like & getrecommendations! Published in 2019 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2019.06.007
Abstract: Abstract This paper describes a superfluid 4 He (He II) production system with a G-M cryocooler developed to supply continuous cooling capacity for cryogenic devices working below 2 K, such as the sealed-cell lambda-point devices… read more here.
Keywords: system cryocooler; system; construction superfluid; cryocooler ... See more keywords
Cryocooler based helium liquefier using an active thermosiphon process
Sign Up to like & getrecommendations! Published in 2020 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2020.103040
Abstract: Abstract A helium liquefier with a production capacity of 17.4 L per day at standard temperature and pressure has been developed using a 1.5 W @4.2 K Gifford McMahon cryocooler to study the heat transfer dynamics between the… read more here.
Keywords: helium gas; heat transfer; cryocooler; helium ... See more keywords
Numerical modelling of a coaxial Stirling pulse tube cryocooler with an active displacer for space applications
Sign Up to like & getrecommendations! Published in 2020 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2020.103048
Abstract: Abstract A numerical model for a coaxial Stirling pulse tube cryocooler with an active displacer has been developed. An active displacer, in place of an inertance tube, has already demonstrated good efficiency in an in-line… read more here.
Keywords: coaxial stirling; active displacer; displacer; cryocooler ... See more keywords
Low input power 4 K pulse tube cryocooler driven by an inverter helium compressor: Intrinsic temperature oscillations and mechanical vibrations
Sign Up to like & getrecommendations! Published in 2020 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2020.103085
Abstract: Abstract We report on the intrinsic mechanical vibrations and thermal oscillations of a small-scale two-stage pulse tube cryocooler operated by an inverter driven helium compressor. The combination offers a cooling power ranging from 35 to… read more here.
Keywords: mechanical vibrations; compressor; power; cryocooler ... See more keywords
Development of a compact 2.17 K hybrid 4He JT cryocooler for space applications
Sign Up to like & getrecommendations! Published in 2021 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2021.103347
Abstract: Abstract The space 2 K cryogenic technology is one of the key supporting technologies for deep-space exploration. Superfluid helium cryostats were used to obtain the temperature below 2 K in early space missions. However, superfluid helium cryostats… read more here.
Keywords: cryocooler; compact hybrid; space applications; development compact ... See more keywords
First demonstration of a cryocooler conduction cooled superconducting radiofrequency cavity operating at practical cw accelerating gradients
Sign Up to like & getrecommendations! Published in 2020 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/ab82f0
Abstract: We demonstrate practical accelerating gradients on a superconducting radiofrequency (SRF) accelerator cavity with cryocooler conduction cooling, a cooling technique that does not involve the complexities of the conventional liquid helium bath. A design is first… read more here.
Keywords: cryocooler; accelerating gradients; superconducting radiofrequency; conduction ... See more keywords