Automotive exhaust gas analysis by infrared tunable diode laser absorption spectroscopy

Yolande Louvet; Eric de Borniol; Daniel Henry; Ajmal Khan Mohamed; Bernard Rosier; W. Jones

doi:10.1117/12.274775

23 May 1997 Automotive exhaust gas analysis by infrared tunable diode laser absorption spectroscopy

Yolande Louvet, Eric de Borniol, Daniel Henry, Ajmal Khan Mohamed, Bernard Rosier, W. Jones

Proceedings Volume 3108, Combustion Diagnostics; (1997) https://doi.org/10.1117/12.274775
Event: Environmental Sensing III, 1997, Munich, Germany

Abstract

Engine management optimization and waste exhaust-gas control require engine transients measurements. The infrared tunable diode laser absorption spectroscopy method can measure absolute molecule concentrations, gas temperature and pressure at high rate. The technique has been improved to measure NO or CO concentrations, as well as temperature and pressure of engine exhaust-gas. Measurements with a time resolution of one millisecond have been achieved in one of the cylinder exhaust pipe without any gas sampling.

Citation Download Citation

Yolande Louvet, Eric de Borniol, Daniel Henry, Ajmal Khan Mohamed, Bernard Rosier, and W. Jones "Automotive exhaust gas analysis by infrared tunable diode laser absorption spectroscopy", Proc. SPIE 3108, Combustion Diagnostics, (23 May 1997); https://doi.org/10.1117/12.274775

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