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APPARATUS FOR DENSITY AND DIELECTRIC CONSTANT MEASUREMENTS TO 35 MPASCALS ON FLUIDS OF CRYOGENIC INTEREST.

Author(s) : HAYNES W. M., FREDERICK N. V.

Type of article: Article

Summary

AN APPARATUS HAS BEEN DEVELOPED FOR SIMULTANEOUS MEASUREMENTS OF FLUID DENSITIES AND DIELECTRIC CONSTANTS AT TEMPERATURES FROM 70 TO 320 K AND AT PRESSURES TO 35 MPASCALS. A MAGNETIC SUSPENSION TECHNIQUE, BASED ON AN APPLICATION OF ARCHIMEDES' PRINCIPLE, IS EMPLOYED IN THE DENSITY DETERMINATION, WHILE A CONCENTRIC CYLINDER CAPACITOR IS USED FOR OBTAINING THE DIELECTRIC CONSTANT DATA. THE APPARATUS CAN BE USED NOT ONLY FOR DETERMINING DENSITIES AND DIELECTRIC CONSTANTS OF COMPRESSED GASES AND LIQUIDS (INCLUDING MIXTURES), BUT FOR SATURATED LIQUID AND VAPOUR PROPERTIES AS WELL. ALSO INCLUDED IS THE CAPABILITY FOR ACQUIRING LIQUID-VAPOUR EQUILIBRIUM DATA FOR MIXTURES.

Details

  • Original title: APPARATUS FOR DENSITY AND DIELECTRIC CONSTANT MEASUREMENTS TO 35 MPASCALS ON FLUIDS OF CRYOGENIC INTEREST.
  • Record ID : 1984-1367
  • Languages: English
  • Source: J. Res. NBS - vol. 88 - n. 4
  • Publication date: 1983
  • Document available for consultation in the library of the IIR headquarters only.

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