长度达200 m的饱和移动He II膜的研究

Physica Pub Date : 1974-11-01 DOI:10.1016/0031-8914(74)90250-X

E. Van Spronsen, H.J. Verbeek, H. Van Beelen, R. De Bruyn Ouboter, K.W. Taconis

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引用次数: 7

摘要

通过监测体液面，研究了长、窄毛细血管中的膜流。讨论了观测到的振荡、阻尼和第三声效应。由于超流体速度和加速度引起的膜厚变化，与气膜平衡一起被观察和讨论。我们先前报道的孔托洛维奇效应的观察结果在使用更长的毛细管(200米)和不同类型的流动时得到了证实。

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Investigations on the saturated moving He II film with a length of up to 200 m

Film flow in long and narrow capillaries has been studied by monitoring bulk-liquid levels. The observed oscillations, the damping and third-sound effects are discussed. Changes in film thickness, due to the superfluid velocity as well as due to acceleration, are observed and discussed together with the vapour-film equilibrium. Our earlier reported observations of the Kontorovich effect are confirmed using a longer capillary (200 m) and for different types of flow.

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Physica

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