Periodic Critical Velocities of Ions in Liquid Helium II. Temperature Dependence

1968 ◽  
Vol 167 (1) ◽  
pp. 203-214 ◽  
Author(s):  
L. Bruschi ◽  
P. Mazzoldi ◽  
M. Santini
Keyword(s):  
Temperature Dependence ◽  
Liquid Helium ◽  
Helium Ii ◽  
Critical Velocities

On the existence of critical velocities in liquid helium II

Physica ◽  
1954 ◽  
Vol 21 (1-5) ◽  
pp. 331-344 ◽  
Author(s):  
P. Winkel ◽  
A.M.G. Delsing ◽  
J.D. Poll
Keyword(s):  
Liquid Helium ◽  
Helium Ii ◽  
Critical Velocities

Energy and stability of vortex rings in liquid helium II; critical velocities

Physica ◽  
1969 ◽  
Vol 44 (3) ◽  
pp. 415-436 ◽  
Author(s):  
A.G. Van Vijfeijken ◽  
A. Walraven ◽  
F.A. Staas
Keyword(s):  
Liquid Helium ◽  
Vortex Rings ◽  
Helium Ii ◽  
Critical Velocities

ADIABATIC OSCILLATIONS IN LIQUID HELIUM II

1957 ◽  
Vol 35 (4) ◽  
pp. 483-497 ◽  
Author(s):  
F. D. Manchester ◽  
J. B. Brown
Keyword(s):  
Temperature Dependence ◽  
Liquid Helium ◽  
Helmholtz Resonator ◽  
Experimental Arrangement ◽  
Liquid Level ◽  
Helium Ii ◽  
Thermal Pulse ◽  
Different Types

Oscillations have been observed in an experimental arrangement consisting of an adiabatic container placed in a helium II bath and connected with the bath by means of a "superleak". A "thermal pulse" introduced into the container caused the liquid level to oscillate. Containers of different geometries and employing two different types of superleak were successfully used to observe oscillations. With one of these the temperature dependence of the frequency was measured between 1.39° and 2.065°K. and found to be of the form and magnitude expected from the calculations of Robinson (1951). Other features of the oscillations have been investigated. An analogy between the oscillations in an adiabatic container in liquid helium II and those of a gas in a Helmholtz resonator is suggested and discussed.

Critical Velocities of Ions in Liquid Helium II Detected by Heat Flush

1964 ◽  
Vol 136 (2A) ◽  
pp. A311-A315 ◽  
Author(s):  
G. Careri ◽  
S. Cunsolo ◽  
M. Vicentini-Missoni
Keyword(s):  
Liquid Helium ◽  
Helium Ii ◽  
Critical Velocities

scholarly journals On the Mechano-Caloric Effect in Liquid Helium II

1950 ◽  
Vol 5 (6) ◽  
pp. 1010-1013 ◽  
Author(s):  
S. Nakajima ◽  
M. Shimizu
Keyword(s):  
Liquid Helium ◽  
Helium Ii ◽  
Caloric Effect
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