Measuring and testing – Gas analysis – Gas of combustion
Patent
1994-08-30
1996-07-30
Chilcot, Richard
Measuring and testing
Gas analysis
Gas of combustion
324637, 73 2401, G04N 700
Patent
active
055400795
ABSTRACT:
A method and apparatus for directing modulated microwave radiation at fly ash which absorbs the microwave energy and, in turn, emits minute acoustical waves. Those acoustic waves are measured by a microphone to determine the carbon content of the fly ash.
REFERENCES:
patent: 4705409 (1987-11-01), Trerice
patent: 4899671 (1990-02-01), Bass
patent: 5060507 (1991-10-01), Urmson et al.
patent: 5069551 (1991-12-01), Brown
patent: 5112215 (1992-05-01), Frish et al.
patent: 5299692 (1994-04-01), Nelson et al.
patent: 5369369 (1994-11-01), Cutmore
R. C. Brown et al., "On-Line Determination of Unburned Carbon in Airborne Fly Ash", Journal of Engineering for Gas Turbines and Power, 112, 597-601 (Oct. 1990).
"Carbon-In-Ash Monitors", EPRI M&D Center Technology Review, 1-15 (Feb. 1994).
T. D'Annunzio, Brochure entitled "Microwave-based Carbon-In-Ash Monitoring System Demonstrated at Eddystone", EPRI Innovators with EPRI Technology, Electric Power Research Institute, Inc. (Dec. 1993).
G. Diebold et al., "Observation of the optoacoustic effect in the microwave region", Applied Physics Letters, 29, 447-449 (Oct. 1, 1976).
A. M. DiGioia, Jr., et al., "Reducing Power Generation Costs Via On-Line Measurement and Reduction of Carbon in Fly Ash", presented at the Southeastern Electric Exchange Meeting, Bal Harbour, FL, pp. 1-16 (Jun. 3, 1988).
J. Dykstra et al., "On-Line Monitoring of Carbon Loadings in Fluidized-Bed Fly Ash", 11th Annual Conference of Fluidized Bed Combustion, pp. 7-12, Quebec, Canada (Apr. 1991).
F. R. Faxvog et al., "Carbon aerosol visibility vs. particle size distribution", Applied Optics, 17, 2612-2616 (Aug. 15, 1978).
P. G. W. Hawksley et al. in Measurement of Solids in Flue Gases (Second Edition); P. G. W. Hawksley, Ed.; The Institute of Fuel: London (1977)--enclosed are the Title page, Copyright Page, and Table of Contents (pp. vi-vii).
Noise Control in Industry; J. D. Webb, Ed.; Sound Research Laboratories Limited: Suffolk, England (1976)--enclosed are the Title page, Copyright Page, and Table of Contents (pp. v-viii).
Optoacoustic Spectroscopy and Detection; Y-H. Pao, Ed.; Academic Press, Inc.: New York (1977)--enclosed are the Title Page, Copyright Page, and Table of Contents (pp. v-vi).
D. M. Roessler et al., "Optoacoustic measurement of optical absorption in acetylene smoke", J. Opt. Soc. Am., 69, 1699-1704 (Dec. 1979).
A. Rosencwaig in Photoacoustics and Photoacoustic Spectroscopy; John Wiley & Sons: New York (1980)--enclosed are the Title page, Copyright Page, and Table of Contents (pp. vii-xii).
B. D. Sowerby et al., "On-Line Analysis in Coal-Fired Power Stations", presented at the Ninth International Conference on Coal Research, Washington DC, 9 pages (Oct. 13-16, 1991).
"Standard Test Method for Ash in the Analysis Sample of Coal and Coke from Coal", Annual Book of ASTM Standards, 5.05, Designation D3174-89, pp. 302-304 (1989).
Brown Robert C.
Dykstra Jeffrey R.
Chilcot Richard
Iowa State University & Research Foundation, Inc.
Noori Max
LandOfFree
Microwave excited photoacoustic effect carbon monitor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Microwave excited photoacoustic effect carbon monitor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microwave excited photoacoustic effect carbon monitor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1651425