Navneet Suman
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View article: Design of self-centering support system for 1.5 T MRI cryostat
Design of self-centering support system for 1.5 T MRI cryostat Open
View article: Indirect estimation of helium pressure at cryogenic temperatures
Indirect estimation of helium pressure at cryogenic temperatures Open
To enhance robustness of automated Temperature vs parametertype of measurements in a cold exchange gas based sampletemperature control system, a second control loop is being addedto compensate for pressure variations. For this purpose, a m…
View article: Multiphysics analysis of operational stresses in a 1.5 T MRI magnet
Multiphysics analysis of operational stresses in a 1.5 T MRI magnet Open
View article: Helium Re-condenser for 1.5T Zero-Boil-Off (ZBO) MRI cryostat
Helium Re-condenser for 1.5T Zero-Boil-Off (ZBO) MRI cryostat Open
Superconducting MRI magnet is the most exhaustive commercial application of superconductivity and helium cryogenics. Cryocooler based Zero-Boil-Off (ZBO) technique is inevitable for the present-day scanner. An MRI cryostat for a 1.5T MRI m…
View article: Development of high homogeneity and high stability 1.5T superconducting magnet for whole body MRI scanner
Development of high homogeneity and high stability 1.5T superconducting magnet for whole body MRI scanner Open
A multi-coil actively shielded 1.5T superconducting magnet has been designed for a whole-body MRI clinical scanner. The magnet has six primary coils and two active shield coils that have a reverse polarity of current with respect to the pr…
View article: Post-Quench electromechanical analysis of 1.5 T whole body clinical MRI system
Post-Quench electromechanical analysis of 1.5 T whole body clinical MRI system Open
A 1.5 T superconducting magnet has been designed for the whole-body clinical MRI scanner. The stored energy (∼4.5 MJ) of the magnet if released during a quench, can adversely affect the coil by raising its temperature and the associated vo…
View article: Analysis of mechanical stress due to winding pretension in a 1.5 T superconducting MRI magnet
Analysis of mechanical stress due to winding pretension in a 1.5 T superconducting MRI magnet Open
The paper presents the analysis of stresses due to winding tension in a 1.5 T MRI magnet with a clear bore of ∼1 m and an outer diameter of ∼1.8 m. The magnet has four pairs of symmetric coils arranged over a length of ∼1.5 m. The stringen…
View article: Stress analysis of cryogenic suspension system of superconducting MRI magnet cryostat
Stress analysis of cryogenic suspension system of superconducting MRI magnet cryostat Open
View article: Experimental load map of two stage 1.5 W at 4.2 K (SRDK-415D) GM cryocooler
Experimental load map of two stage 1.5 W at 4.2 K (SRDK-415D) GM cryocooler Open
Two stage GM cryocooler is one of the major components for development of any conduction cooled superconducting magnet system. Recently, IUAC New Delhi has developed a 6T conduction cooled NbTi magnet system using a two stage GM cryocooler…