Method and apparatus for determining diameter and wall thickness of minute hollow spherical shells
Abstract
Method and apparatus for determining diameter and wall thickness of hollow microspheres or shells wherein terminal velocities of shells traveling in fluid-filled conduits of differing diameters are measured. A wall-effect factor is determined as a ratio of the terminal velocities, and shell outside diameter may then be ascertained as a predetermined empirical function of wall-effect factor. For shells of known outside diameter, wall thickness may then be ascertained as a predetermined empirical function of terminal velocity in either conduit.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 6891284
- Assignee:
- Dept. of Energy
- DOE Contract Number:
- AC08-78DP40030
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; LASER TARGETS; MEASURING METHODS; MICROSPHERES; SHELLS; SPECIFICATIONS; THERMONUCLEAR FUELS; THICKNESS; WALLS; DIMENSIONS; FUELS; TARGETS; 060201* - Fusion Fuels- Fabrication & Testing- (1980-1987)
Citation Formats
Steinman, D A. Method and apparatus for determining diameter and wall thickness of minute hollow spherical shells. United States: N. p., 1980.
Web.
Steinman, D A. Method and apparatus for determining diameter and wall thickness of minute hollow spherical shells. United States.
Steinman, D A. Fri .
"Method and apparatus for determining diameter and wall thickness of minute hollow spherical shells". United States.
@article{osti_6891284,
title = {Method and apparatus for determining diameter and wall thickness of minute hollow spherical shells},
author = {Steinman, D A},
abstractNote = {Method and apparatus for determining diameter and wall thickness of hollow microspheres or shells wherein terminal velocities of shells traveling in fluid-filled conduits of differing diameters are measured. A wall-effect factor is determined as a ratio of the terminal velocities, and shell outside diameter may then be ascertained as a predetermined empirical function of wall-effect factor. For shells of known outside diameter, wall thickness may then be ascertained as a predetermined empirical function of terminal velocity in either conduit.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri May 30 00:00:00 EDT 1980},
month = {Fri May 30 00:00:00 EDT 1980}
}
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