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Title: Millimeter wave sensor for monitoring effluents

Abstract

A millimeter-wave sensor for detecting and measuring effluents from processing plants either remotely or on-site includes a high frequency signal source for transmitting frequency-modulated continuous waves in the millimeter or submillimeter range with a wide sweep capability and a computer-controlled detector for detecting a plurality of species of effluents on a real time basis. A high resolution spectrum of an effluent, or effluents, is generated by a deconvolution of the measured spectra resulting in a narrowing of the line widths by 2 or 3 orders of magnitude as compared with the pressure broadened spectra detected at atmospheric pressure for improved spectral specificity and measurement sensitivity. The sensor is particularly adapted for remote monitoring such as where access is limited or sensor cost restricts multiple sensors as well as for large area monitoring under nearly all weather conditions.

Inventors:
 [1];  [2];  [3];  [3]
  1. (Naperville, IL)
  2. (Bolingbrook, IL)
  3. (Downers Grove, IL)
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL
OSTI Identifier:
870169
Patent Number(s):
5468964
Assignee:
University of Chicago (Chicago, IL) ANL
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
millimeter; wave; sensor; monitoring; effluents; millimeter-wave; detecting; measuring; processing; plants; remotely; on-site; frequency; signal; source; transmitting; frequency-modulated; continuous; waves; submillimeter; range; wide; sweep; capability; computer-controlled; detector; plurality; species; time; basis; resolution; spectrum; effluent; generated; deconvolution; measured; spectra; resulting; narrowing; line; widths; magnitude; compared; pressure; broadened; detected; atmospheric; improved; spectral; specificity; measurement; sensitivity; particularly; adapted; remote; access; limited; cost; restricts; multiple; sensors; nearly; weather; conditions; multiple sensors; continuous wave; particularly adapted; atmospheric pressure; signal source; frequency signal; remote monitor; millimeter wave; processing plant; line width; line widths; wave sensor; time basis; /250/

Citation Formats

Gopalsami, Nachappa, Bakhtiari, Sasan, Raptis, Apostolos C., and Dieckman, Stephen L. Millimeter wave sensor for monitoring effluents. United States: N. p., 1995. Web.
Gopalsami, Nachappa, Bakhtiari, Sasan, Raptis, Apostolos C., & Dieckman, Stephen L. Millimeter wave sensor for monitoring effluents. United States.
Gopalsami, Nachappa, Bakhtiari, Sasan, Raptis, Apostolos C., and Dieckman, Stephen L. Sun . "Millimeter wave sensor for monitoring effluents". United States. https://www.osti.gov/servlets/purl/870169.
@article{osti_870169,
title = {Millimeter wave sensor for monitoring effluents},
author = {Gopalsami, Nachappa and Bakhtiari, Sasan and Raptis, Apostolos C. and Dieckman, Stephen L.},
abstractNote = {A millimeter-wave sensor for detecting and measuring effluents from processing plants either remotely or on-site includes a high frequency signal source for transmitting frequency-modulated continuous waves in the millimeter or submillimeter range with a wide sweep capability and a computer-controlled detector for detecting a plurality of species of effluents on a real time basis. A high resolution spectrum of an effluent, or effluents, is generated by a deconvolution of the measured spectra resulting in a narrowing of the line widths by 2 or 3 orders of magnitude as compared with the pressure broadened spectra detected at atmospheric pressure for improved spectral specificity and measurement sensitivity. The sensor is particularly adapted for remote monitoring such as where access is limited or sensor cost restricts multiple sensors as well as for large area monitoring under nearly all weather conditions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1995},
month = {1}
}

Patent:

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