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Download or read book Determination of Combustion Gas Temperatures by Infrared Radiometry in Sooting and Nonsooting Flames written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-12-29 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flame temperatures in nonsooting and sooting environments were successfully measured by radiometry for pre-mixed propane-oxygen laminar flames stabilized on a water-cooled, porous sintered-bronze burner. The measured temperatures in the nonsooting flames were compared with fine-wire thermocouple measurements. The results show excellent agreement below 1700 K, and when the thermocouple measurements were corrected for radiation effects, the agreement was good for even higher temperatures. The benefits of radiometry are: (1) the flow is not disturbed by an intruding probe, (2) calibration is easily done using a blackbody source, and (3) measurements can be made even with soot present. The theory involved in the radiometry measurements and the energy balance calculations used to correct the thermocouple temperature measurements are discussed. Lyons, Valerie J. and Gracia-Salcedo, Carmen M. Glenn Research Center NASA-TP-2900, E-4446, NAS 1.60:2900, AVSCOM-TR-88-C-008, AD-A205373 DA PROJ. 1L1-61102-AH-45; RTOP 505-62-21...

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