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Research Article

Theoretical analysis on pressure drop across porous cryocooler regenerator in evaluating the optimum regenerator porosity

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Pages 2045-2060 | Received 22 Sep 2018, Accepted 23 Jul 2019, Published online: 04 Aug 2019
 

ABSTRACT

The regenerator used in Stirling cryocoolers is the crucial component, which has a flow conduit through the porous matrix material. Various parameters affect the performance of the regenerator, of which pressure drop is the main parameter needs detailed analysis. Theoretical analysis of pressure drop across the length of Stirling cryocooler regenerator has been carried out at various mass flow rates (ranging from 0.4 g/s to 1.2 g/s) and at various charge pressures (ranging from 18 to 24 bar), using ANSYS 16.0 Computational Fluid Dynamics (CFD) and REGEN 3.3 numerical program for Regenerators. The paper mainly focuses on the pressure drop analysis of porous cryocooler regenerator in evaluating the optimized porosity value for the regenerator.

Additional information

Notes on contributors

K. V. Srinivasan

K. V. Srinivasanis working in the Low Temperature Facility - TIFR, Mumbai for the past 20 Years in the field of Cryogenics. He is technically associated with the various academic and research institutes for extending research guidance in the area of cryogenics and establishing cryogenics facilities.

A. Manimaran

A. Manimaranworking as Professor in  Mechanical Engineering Department at Veltech university. He has more than 20 years of teaching and research experience.

M. Arulprakasajothi

M. Arulprakasajothiworking as Associate Professor in  Mechanical Engineering Department at Veltech university. He has more than 13 years of teaching and research experience.

Rahul D. Pokale

Rahul D. Pokaleis a Post graduate student of department of Mechanical Engineering at MCT’s Rajiv Gandhi Institute of Technology, Mumbai India.

Vijay A. Arolkar

Vijay A. Arolkaris scientific officer atLow Temperature Facility - TIFR, Mumbai. He is Expert in Design, fabrication and development of Cryogenic test facility.

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