Measurements of Angular Momentum in Superfluid HeliumStanford University, 1967 - 128 pages |
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... rotate - cool runs . 94 IV . Data of cool - rotate runs 102 Data of rotate - cool - slow runs . 105 VI . Data on mechanical critical velocity . 107 VII . Data of rotate - cool runs at temperatures above 1.61 ° K A. 5.6 sec . period ...
... rotate - cool runs . 94 IV . Data of cool - rotate runs 102 Data of rotate - cool - slow runs . 105 VI . Data on mechanical critical velocity . 107 VII . Data of rotate - cool runs at temperatures above 1.61 ° K A. 5.6 sec . period ...
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... ( rotate- cool ) runs 98 Schematic diagram of the support circuit : Oscillator and bridge Schematic diagram of the ... rotate - cool procedure 100 21. Angular momentum of the superfluid vs angular velocity of the rotor in the cool - rotate ...
... ( rotate- cool ) runs 98 Schematic diagram of the support circuit : Oscillator and bridge Schematic diagram of the ... rotate - cool procedure 100 21. Angular momentum of the superfluid vs angular velocity of the rotor in the cool - rotate ...
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... Cool - rotate " ( CR ) Runs . In this case the rotor is cooled while at rest , or while rotating slowly , and then accelerated to the angular velocity of measure- ment . For the lower angular velocity runs ... Rotate-cool-slow" (CS) runs.
... Cool - rotate " ( CR ) Runs . In this case the rotor is cooled while at rest , or while rotating slowly , and then accelerated to the angular velocity of measure- ment . For the lower angular velocity runs ... Rotate-cool-slow" (CS) runs.
Common terms and phrases
acceleration amplifier amplitude angular momentum angular potential approximation autocollimator Average axis calculation classical angular momentum coils configuration constant constant angular velocity container cool-rotate cooling copper critical velocity cryostat cylinder Data of Rotate-Cool diameter effect Equation exchange gas exchange jacket experiment feedback ferrite Figure free energy frequency heat capacity heat flux heat input heating light helium II helium reservoir inertia initial temperatures interaction linear liquid helium low temperature magnetic field magnitude metastable moment of inertia motor normal fluid number of vortices observed oscillator output pendulum modes pendulum period period of rotation Phys pressure procedure rad/sec radius RC data RC runs Reppy and Lane resistance thermometer resistors room temperature root locus Rotate-Cool Runs rotation period rotor rotor B-2 Run Sense sec Period sensor Simplified Scale Drawing superfluid superfluid helium support circuit T₂ Table thermal shunt torque tube uncertainty vacuum Vinen vortex line vortex model X-point zero