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System and method for determining combustion temperature using infrared emissions

  • US 6,393,375 B1
  • Filed: 07/07/1999
  • Issued: 05/21/2002
  • Est. Priority Date: 01/15/1999
  • Status: Expired due to Fees
First Claim
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1. A method of determining temperature from a plurality of radiation intensity values, said method comprising the steps of:

  • creating a look-up table of a plurality of simulated radiation intensity values being calculated as a function of a range of temperature values and a range of molar concentration values of gas emissions;

    receiving a plurality of values of input radiation intensity signals;

    selecting one of said values of input radiation signals as a background radiation signal;

    subtracting said background radiation signal from the remaining said plurality of values of radiation signals to obtain corrected radiation signals; and

    comparing the values of said corrected radiation intensity signals with said simulated radiation intensity values and determining a temperature value from the value of said input radiation intensity signals.

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