Experimental Studies on a Two Stage Pulse Tube Cryocooler Reaching 2.5K

Kasthurirengan, S.; Srinivasa, G.; Karthik, GR; Ramesh, K.; Shafi, K. A.

doi:10.1063/1.2908681

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…Most of the researchers developed different numerical models for analysis due to the accurate prediction of results. Isothermal model [20][21][22], adiabatic model [10,23], energy equation model [24], and Computational Fluid Dynamics (CFD) model [25][26][27]. The isothermal model and adiabatic model are extensively used due to their simplicity.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of double inlet two-stage inertance pulse tube cryocooler

Choudhari¹,

Gawali²,

Momin³

et al. 2021

IJATEE

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Stirling-type Pulse Tube Cryocoolers (PTC) are designed to meet present and upcoming commercial requirements and needs with durability and low vibrations. Multistaging in Stirling type PTC is one of the major developments reported in recent times for low-temperature achievement, due to improved performance over a period of time. The current study aims to define the methodology for numerical assessment of Double Inlet Two-Stage Pulse Tube Cryocooler (DITSPTC) to achieve cryogenic temperature of 20 K. This paper performs Computational Fluid Dynamics (CFD) simulation of PTC for defining the methodology using the CFD software package and then the same methodology is extended for the analysis ofDITSPTC. The system simulations are performed with frequency of 70 Hz and average pressure of 20 bar. The minimum temperatures obtained from simulations are 95 K and 20 K at the first and second stage respectively.

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Section: Introductionmentioning

confidence: 99%

Numerical analysis of double inlet two-stage inertance pulse tube cryocooler

Choudhari¹,

Gawali²,

Momin³

et al. 2021

IJATEE

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“…These are refrigeration systems that use a closedloop cooling system to maintain the low temperatures required for the superconducting materials [20]. They can be based on Gifford-McMahon [21], pulse tube, or Stirling cycle technology [22]. These cooling systems are typically used in low-power superconducting devices and systems.…”

mentioning

confidence: 99%

Perspectives on Electric Machines with Cryogenic Cooling

Marignetti

Rubino

2023

Energies

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Cryogenic cooling is a well-established and expanding technology. In the field of electric machines, it allows the construction of more efficient machines with a high power density. This paper addresses the main cooling technologies and their impact on cryogenic machine construction, providing perspective for their use in future electrical machines. Although cost and safety issues of cryogenic systems are still holding back the uptake of cryogenic electric motors and generators, research in this field should provide significant improvements and promote their use at different levels.

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Experimental Studies on a Two Stage Pulse Tube Cryocooler Reaching 2.5K

Cited by 2 publications

References 7 publications

Numerical analysis of double inlet two-stage inertance pulse tube cryocooler

Numerical analysis of double inlet two-stage inertance pulse tube cryocooler

Perspectives on Electric Machines with Cryogenic Cooling

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