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Development and performance evaluation of high speed cryogenic turboexpanders at BARC, India Open
Turboexpanders are a key focus area for Bhabha Atomic Research Centre (BARC), Mumbai, India in the program for development of helium refrigerators and liquefiers for intra departmental requirements. To start with, a turbine impeller with m…
Development of helium refrigeration/ liquefaction system at BARC, India Open
An experimental helium refrigerator/liquefier, using ultra high speed cryogenic turboexpanders, is designed and developed at Cryo-Technology Division, BARC. The developed system is based on the modified Claude cycle. The developed system i…
Numerical and experimental investigations of transient behaviour of compact plate fin heat exchanger Open
In this paper, models for the transient simulation of a 2 stream plate fin heat exchanger (PFHE) with offset strip fins (OSF) have been formulated based on unsteady mass and energy conservation equations. The behaviour of a PFHE during sta…
Helium refrigeration system for hydrogen liquefaction applications Open
Liquid hydrogen around 20 K is used as cold moderator for generating "cold neutron beam" in nuclear research reactors. A cryogenic helium refrigeration system is the core upon which such hydrogen liquefaction applications are built. A ther…
Development of a transferline connecting a helium liquefier coldbox and a liquid helium Dewar Open
A helium liquefier with demonstrated capacity of 32 1/hr has been developed by BARC. Mumbai. A transferline for two way flow of helium between the helium liquefier coldbox and receiver Dewar has been developed in-house at BARC. Further, a …