LAUSR

An approach for estimating acoustic power in a pulse tube cryocooler

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1 Published in 2017 at "Cryogenics"

DOI: 10.1016/j.cryogenics.2017.08.009

Abstract: Abstract Acoustic power at the cold end of regenerator is the measure of gross cooling capacity for a pulse tube cryocooler (PTC), which cannot be measured directly. Conventionally, the acoustic power can only be derived… read more here.

Keywords: acoustic power; estimating acoustic; power; regenerator ... See more keywords

Stirling pulse tube cryocooler using an active displacer

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1 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

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1 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

Low input power 4 K pulse tube cryocooler driven by an inverter helium compressor: Intrinsic temperature oscillations and mechanical vibrations

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0 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

Systematic approach to determine the transient cooling power and heat leak of a commercial pulse tube cryocooler

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1 Published in 2020 at "Cryogenics"

DOI: 10.1016/j.cryogenics.2020.103228

Abstract: Abstract In a typical pulse tube cryocooler application, modeling the cool-down dynamics of a load attached to the cold tip require knowledge of the transient cooling power. Although this data may be calculated for in-house… read more here.

Keywords: tube cryocooler; transient cooling; cooling power; transient ... See more keywords