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Infrared Thermometry for Diesel Exhaust Aftertreatment Temperature Measurement
2004
SAE Technical Paper Series
unpublished
The in-situ measurement of the temperature distribution on the cavity wall surface in diesel particulate filters using the infrared radiation thermometry was developed. The temperature measurement system consists of a sapphire fiber with 45° angled tip, PbS/PbSe two-color sensor, and data conditioning and acquisition device. A calibration technique using the blackbody cavity was developed. Calibration curves were generated between 80 to 400°C, the temperature range of special interest for
doi:10.4271/2004-01-0962
fatcat:lqdnp3sa55gt5afdcwkdz57okm