Shock waves in narrow channels filled with superfluid heliumстатья
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Дата последнего поиска статьи во внешних источниках: 26 августа 2016 г.
Аннотация:Formation of fourth-sound shock waves in narrow channels filled with superfluid helium is studied. Physical and mathematical conditions at the surface of discontinuity are established. These conditions differ somewhat from those in case of first- and second-sound waves. The velocity of discontinuity coincides with the velocity of fourth sound. The jumps of temperature and of the superfluid velocity are shown to be of the first order as to the pressure jumps.