ShareZERO-GRAVITY EXPERIMENTS ON SUPERFLUID HELIUM ABOARD A ROCKET.
Author(s) : MURAKAMI M.
Type of article: Article
Summary
SUPERFLUID EXPERIMENTS IN THE ZERO-GRAVITY STATE WERE PERFORMED WITH A CRYOSTAT ABOARD A ROCKET. OBSERVATION OF THE DYNAMIC BEHAVIOUR OF LIQUID HELIUM (HELIUM II), VERIFICATION OF A POROUS-PLUG PHASE SEPARATOR WITH A CONTROLLING HEATER, INVESTIGATION OF THERMAL BEHAVIOUR OF SUPERFLUID THIN FILMS AND A SUPERFLUID HEAT PIPE, AND THE NOISE TEST OF A COOLED PRE-AMPLIFIER FOR INFRARED DETECTORS WERE PERFORMED. INITIAL BULK FLUID MOTIONS WERE RATHER QUICKLY DAMPED AND A STABLE LIQUID CONTAINMENT IN THE CRYOSTAT WAS ACHIEVED. VERY GOOD TEMPERATURE UNIFORMITY WAS ATTAINED. THE POROUS-PLUG WAS FOUND TO WORK AS WELL AS PREDICTED IN THE ZERO-GRAVITY STATE. THE ADSORBED FILM BECAME THICKER IN THE REDUCED GRAVITY STATE.
Details
- Original title: ZERO-GRAVITY EXPERIMENTS ON SUPERFLUID HELIUM ABOARD A ROCKET.
- Record ID : 1985-2263
- Languages: English
- Source: Cryogenics - vol. 25 - n. 3
- Publication date: 1985
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