Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Review of Scientific Instruments
58 (1987), S. 1917-1925
ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
A high-speed microprocessor-based cryogenic fluid density instrumentation is developed based on the rigorous application of dielectric theory, using a dielectric susceptibility function in the application of molecular Clausius–Mossotti formula. The operating principle is formulated on a novel differential dielectric measurement approach with a new algorithm which provides for automatic adjustments for polarizability and stray capacitance changes. High-precision digital density measurement is achieved over a wide range of fluid state ranging from supercritical, through subcritical to solid formation phases. Its conceptual development is examined in view of the interplay between theoretical arguments and engineering methodology.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1139489
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