Detection of Hazardous Liquids Using Microwaves
Author(s) -
Michael D. Janezic,
Jolene D. Splett,
Kevin J. Coakley
Publication year - 2014
Publication title -
journal of research of the national institute of standards and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.202
H-Index - 59
eISSN - 2165-7254
pISSN - 1044-677X
DOI - 10.6028/jres.119.009
Subject(s) - hazardous waste , permittivity , dielectric , microwave , materials science , fixture , spectral line , acoustics , computer science , optoelectronics , physics , mechanical engineering , telecommunications , ecology , astronomy , engineering , biology
We investigate the feasibility of using dielectric spectra to classify hazardous and nonhazardous liquids. The dielectric spectra of several liquids was obtained with a shielded-open coaxial fixture, and we present a new full-wave model for calculating the complex permittivity of liquids using this fixture. Using the measured complex permittivity for each liquid, we examine several classification methods for distinguishing between the hazardous and nonhazardous liquids and report on the error rates of each method.
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