Numerical Simulation Of Moving Boundary Problems In
Superconducting Magnets
Author(s)
S. Mao & C. A. Luongo
Abstract
Numerical simulation of moving boundary
problems in superconducting magnets
S. Mao & C. A. Luongo
Center for Advanced Power Systems,
and National High Magnetic Field Laboratory,
Florida State University, USA
Abstract
In the design and operation of superconducting magnets, quench is always an
important consideration. Superconductors are designed to operate at very high
current density, for example, 10'' ~ / m ~ , so when an external disturbance is
strong enough, the superconductor will go from the superconducting state (zero
resistance) to the normal state (resistive conductor), which constitutes a quench.
The dangers of overheating if a magnet quenches are obvious.
A high order finite difference scheme is introduced to deal with thermohydraulic
quench simulation in superconducting magnets, specifically in the case
of cable-in-conduit conductors (CICC). Liquid helium flow in CICC is governed
by the unsteady convection-diffusion equations, in the regime of low Mach
number and high Reynolds numb
Keywords
Related Book
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