A Study of Thermal Shock Wave Propagation in Superfluid Helium
The propagation of a thermal shock wave in superfluid helium and related phenomena were studied both experimentally and numerically. The temperature field associated with the thermal shock wave is visualized with a laser holographic interferometer. A superconductive temperature sensor is also utilized to measure the temporal temperature variation, in order to investigate the wave structure in detail. Numerical simulation on the basis of the superfluid two-fluid equations is conducted for the sake of comparison. Holographic interferometry is applied to study the onset of boiling due to highly transient heating in He II and the evaporation from the He II free surface upon incidence of a thermal shock wave.
Key wordsSuperfluid helium Thermal shock wave Quantized vortices
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