Helium II thermal counterflow: Temperature- and pressure-difference data and analysis in terms of the Vinen theory

作者: R. K. Childers , J. T. Tough

DOI: 10.1103/PHYSREVB.13.1040

关键词: Nonlinear systemVortexPhysicsTurbulence modelingCapillary actionThermodynamicsHeliumThermalLine (formation)Viscosity

摘要: An extensive investigation of the temperature and pressure difference associated with thermal counterflow He II in long capillary tubes is reported. For heat currents that are not too large, our data excellent agreement Vinen theory which mutual friction regarded as arising from a homogeneous mass quantized vortex line. Our data, obtained simultaneously used to determine eddy viscosity lines. The reviewed somewhat modified light these other recent results. It suggested vortex-line model one few successful quantitative models nonlinear hydrodynamics effects II. (AIP)

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