Vortex waves have become a major preoccupation of workers in superfluidity. This book discusses the properties of quantized vortex lines in superfluid helium II in the light of research on vortices in modern fluid mechanics. The author begins with a review of classical fluid dynamics relevant to the main topics of the book. This is followed by a presentation of basic material on helium II and quantized vortices. The following chapters deal with various different aspects of the subject including vortex dynamics and mutual friction, the structure of quantized vortices, vortex arrays, and vortex...

Vortex waves have become a major preoccupation of workers in superfluidity. This book discusses the properties of quantized vortex lines in superfluid helium II in the light of research on vortices in modern fluid mechanics. The author begins with a review of classical fluid dynamics relevant to the main topics of the book. This is followed by a presentation of basic material on helium II and quantized vortices. The following chapters deal with various different aspects of the subject including vortex dynamics and mutual friction, the structure of quantized vortices, vortex arrays, and vortex...

Because of their extremely low viscosity, liquid helium and ultra-cold helium gas provide ideal media for fundamental studies of fluid flow and turbulence at extremely high Reynolds numbers. Such flows occur in aerospace applications (satellite reentry) and other extreme conditions, where they are difficult to study. A cryogenic-helium wind tunnel would allow one to model these flows in a laboratory at much more benign conditions. Such studies have not been feasible because, using these fluids in a wind tunnel requires more liquid helium than has readily been available. However, the capacity...

Liquid helium has been studied for its intrinsic interest through much of the 20th century. In the past decade, much has been learned about heat transfer in liquid helium because of the need to cool superconducting magnets and other devices. The topic of the Seventh Oregon Conference on Low Temperature Physics was an applied one, namely the use of liquid and gaseous helium to generate high Reynolds number flows. The low kinematic viscosity of liquid helium automatically makes high Reynolds numbers accessible and the question addressed in this conference was to explore various possibilities to...