Optical sensing of hazardous exhaust emissions using a UV based extrinsic sensor

Gerard Dooly; Colin Fitzpatrick; Elfed Lewis

doi:10.1016/j.energy.2007.11.009

Optical sensing of hazardous exhaust emissions using a UV based extrinsic sensor

Gerard Dooly, Colin Fitzpatrick, Elfed Lewis

Research output: Contribution to journal › Article › peer-review

Abstract

A fibre-optic sensor for the monitoring of hazardous exhaust gases is described. The sensor based on ultraviolet (UV) differential optical absorption spectroscopy (DOAS) was developed for the simultaneous monitoring of several exhaust gases from passenger cars. Experimental results describing the operation of this sensor with calibrated cylinder gases as well as in a full-size engine are presented. The sensor has been developed to operate within an exhaust environment and have low susceptibility to interferences from other gases present. The lower limit of detection for the sensor was found to be 5 ppm for nitric oxide (NO), 1 ppm for both nitrogen dioxide (NO₂) and sulphur dioxide (SO₂) and response time was found to be 3.4 s.

Original language	English
Pages (from-to)	657-666
Number of pages	10
Journal	Energy
Volume	33
Issue number	4
DOIs	https://doi.org/10.1016/j.energy.2007.11.009
Publication status	Published - Apr 2008

Keywords

DOAS
Pollution monitoring
Spectroscopy
UV gas sensor

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10.1016/j.energy.2007.11.009

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abstract = "A fibre-optic sensor for the monitoring of hazardous exhaust gases is described. The sensor based on ultraviolet (UV) differential optical absorption spectroscopy (DOAS) was developed for the simultaneous monitoring of several exhaust gases from passenger cars. Experimental results describing the operation of this sensor with calibrated cylinder gases as well as in a full-size engine are presented. The sensor has been developed to operate within an exhaust environment and have low susceptibility to interferences from other gases present. The lower limit of detection for the sensor was found to be 5 ppm for nitric oxide (NO), 1 ppm for both nitrogen dioxide (NO2) and sulphur dioxide (SO2) and response time was found to be 3.4 s.",

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AB - A fibre-optic sensor for the monitoring of hazardous exhaust gases is described. The sensor based on ultraviolet (UV) differential optical absorption spectroscopy (DOAS) was developed for the simultaneous monitoring of several exhaust gases from passenger cars. Experimental results describing the operation of this sensor with calibrated cylinder gases as well as in a full-size engine are presented. The sensor has been developed to operate within an exhaust environment and have low susceptibility to interferences from other gases present. The lower limit of detection for the sensor was found to be 5 ppm for nitric oxide (NO), 1 ppm for both nitrogen dioxide (NO2) and sulphur dioxide (SO2) and response time was found to be 3.4 s.

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KW - Pollution monitoring

KW - Spectroscopy

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JF - Energy

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Optical sensing of hazardous exhaust emissions using a UV based extrinsic sensor

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Keywords

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