TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser

Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after t...
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Gespeichert in:

Autor*in:	Stritzke, Felix [verfasserIn] Diemel, Oliver Wagner, Steven

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Schlagwörter:	Selective Catalytic Reduction Diesel Particulate Filter Line Strength Selective Catalytic Reduction Catalyst Diesel Oxidation Catalyst

Anmerkung:	© The Author(s) 2015

Übergeordnetes Werk:	Enthalten in: Applied physics - Berlin : Springer, 1981, 119(2015), 1 vom: 24. März, Seite 143-152
Übergeordnetes Werk:	volume:119 ; year:2015 ; number:1 ; day:24 ; month:03 ; pages:143-152

Links:	Volltext

DOI / URN:	10.1007/s00340-015-6073-5

Katalog-ID:	SPR00425130X

Internformat


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245	1	0	\|a TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser
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520			\|a Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$.
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650		4	\|a Diesel Oxidation Catalyst \|7 (dpeaa)DE-He213
700	1		\|a Diemel, Oliver \|4 aut
700	1		\|a Wagner, Steven \|4 aut
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allfields	10.1007/s00340-015-6073-5 doi (DE-627)SPR00425130X (SPR)s00340-015-6073-5-e DE-627 ger DE-627 rakwb eng Stritzke, Felix verfasserin aut TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2015 Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. Selective Catalytic Reduction (dpeaa)DE-He213 Diesel Particulate Filter (dpeaa)DE-He213 Line Strength (dpeaa)DE-He213 Selective Catalytic Reduction Catalyst (dpeaa)DE-He213 Diesel Oxidation Catalyst (dpeaa)DE-He213 Diemel, Oliver aut Wagner, Steven aut Enthalten in Applied physics Berlin : Springer, 1981 119(2015), 1 vom: 24. März, Seite 143-152 (DE-627)253389933 (DE-600)1458437-2 1432-0649 nnns volume:119 year:2015 number:1 day:24 month:03 pages:143-152 https://dx.doi.org/10.1007/s00340-015-6073-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 119 2015 1 24 03 143-152
spelling	10.1007/s00340-015-6073-5 doi (DE-627)SPR00425130X (SPR)s00340-015-6073-5-e DE-627 ger DE-627 rakwb eng Stritzke, Felix verfasserin aut TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2015 Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. Selective Catalytic Reduction (dpeaa)DE-He213 Diesel Particulate Filter (dpeaa)DE-He213 Line Strength (dpeaa)DE-He213 Selective Catalytic Reduction Catalyst (dpeaa)DE-He213 Diesel Oxidation Catalyst (dpeaa)DE-He213 Diemel, Oliver aut Wagner, Steven aut Enthalten in Applied physics Berlin : Springer, 1981 119(2015), 1 vom: 24. März, Seite 143-152 (DE-627)253389933 (DE-600)1458437-2 1432-0649 nnns volume:119 year:2015 number:1 day:24 month:03 pages:143-152 https://dx.doi.org/10.1007/s00340-015-6073-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 119 2015 1 24 03 143-152
allfields_unstemmed	10.1007/s00340-015-6073-5 doi (DE-627)SPR00425130X (SPR)s00340-015-6073-5-e DE-627 ger DE-627 rakwb eng Stritzke, Felix verfasserin aut TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2015 Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. Selective Catalytic Reduction (dpeaa)DE-He213 Diesel Particulate Filter (dpeaa)DE-He213 Line Strength (dpeaa)DE-He213 Selective Catalytic Reduction Catalyst (dpeaa)DE-He213 Diesel Oxidation Catalyst (dpeaa)DE-He213 Diemel, Oliver aut Wagner, Steven aut Enthalten in Applied physics Berlin : Springer, 1981 119(2015), 1 vom: 24. März, Seite 143-152 (DE-627)253389933 (DE-600)1458437-2 1432-0649 nnns volume:119 year:2015 number:1 day:24 month:03 pages:143-152 https://dx.doi.org/10.1007/s00340-015-6073-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 119 2015 1 24 03 143-152
allfieldsGer	10.1007/s00340-015-6073-5 doi (DE-627)SPR00425130X (SPR)s00340-015-6073-5-e DE-627 ger DE-627 rakwb eng Stritzke, Felix verfasserin aut TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2015 Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. Selective Catalytic Reduction (dpeaa)DE-He213 Diesel Particulate Filter (dpeaa)DE-He213 Line Strength (dpeaa)DE-He213 Selective Catalytic Reduction Catalyst (dpeaa)DE-He213 Diesel Oxidation Catalyst (dpeaa)DE-He213 Diemel, Oliver aut Wagner, Steven aut Enthalten in Applied physics Berlin : Springer, 1981 119(2015), 1 vom: 24. März, Seite 143-152 (DE-627)253389933 (DE-600)1458437-2 1432-0649 nnns volume:119 year:2015 number:1 day:24 month:03 pages:143-152 https://dx.doi.org/10.1007/s00340-015-6073-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 119 2015 1 24 03 143-152
allfieldsSound	10.1007/s00340-015-6073-5 doi (DE-627)SPR00425130X (SPR)s00340-015-6073-5-e DE-627 ger DE-627 rakwb eng Stritzke, Felix verfasserin aut TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2015 Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. Selective Catalytic Reduction (dpeaa)DE-He213 Diesel Particulate Filter (dpeaa)DE-He213 Line Strength (dpeaa)DE-He213 Selective Catalytic Reduction Catalyst (dpeaa)DE-He213 Diesel Oxidation Catalyst (dpeaa)DE-He213 Diemel, Oliver aut Wagner, Steven aut Enthalten in Applied physics Berlin : Springer, 1981 119(2015), 1 vom: 24. März, Seite 143-152 (DE-627)253389933 (DE-600)1458437-2 1432-0649 nnns volume:119 year:2015 number:1 day:24 month:03 pages:143-152 https://dx.doi.org/10.1007/s00340-015-6073-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 119 2015 1 24 03 143-152
language	English
source	Enthalten in Applied physics 119(2015), 1 vom: 24. März, Seite 143-152 volume:119 year:2015 number:1 day:24 month:03 pages:143-152
sourceStr	Enthalten in Applied physics 119(2015), 1 vom: 24. März, Seite 143-152 volume:119 year:2015 number:1 day:24 month:03 pages:143-152
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Selective Catalytic Reduction Diesel Particulate Filter Line Strength Selective Catalytic Reduction Catalyst Diesel Oxidation Catalyst
isfreeaccess_bool	true
container_title	Applied physics
authorswithroles_txt_mv	Stritzke, Felix @@aut@@ Diemel, Oliver @@aut@@ Wagner, Steven @@aut@@
publishDateDaySort_date	2015-03-24T00:00:00Z
hierarchy_top_id	253389933
id	SPR00425130X
language_de	englisch
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author	Stritzke, Felix
spellingShingle	Stritzke, Felix misc Selective Catalytic Reduction misc Diesel Particulate Filter misc Line Strength misc Selective Catalytic Reduction Catalyst misc Diesel Oxidation Catalyst TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser
authorStr	Stritzke, Felix
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topic_title	TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser Selective Catalytic Reduction (dpeaa)DE-He213 Diesel Particulate Filter (dpeaa)DE-He213 Line Strength (dpeaa)DE-He213 Selective Catalytic Reduction Catalyst (dpeaa)DE-He213 Diesel Oxidation Catalyst (dpeaa)DE-He213
topic	misc Selective Catalytic Reduction misc Diesel Particulate Filter misc Line Strength misc Selective Catalytic Reduction Catalyst misc Diesel Oxidation Catalyst
topic_unstemmed	misc Selective Catalytic Reduction misc Diesel Particulate Filter misc Line Strength misc Selective Catalytic Reduction Catalyst misc Diesel Oxidation Catalyst
topic_browse	misc Selective Catalytic Reduction misc Diesel Particulate Filter misc Line Strength misc Selective Catalytic Reduction Catalyst misc Diesel Oxidation Catalyst
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser
ctrlnum	(DE-627)SPR00425130X (SPR)s00340-015-6073-5-e
title_full	TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser
author_sort	Stritzke, Felix
journal	Applied physics
journalStr	Applied physics
lang_code	eng
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container_start_page	143
author_browse	Stritzke, Felix Diemel, Oliver Wagner, Steven
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author-letter	Stritzke, Felix
doi_str_mv	10.1007/s00340-015-6073-5
title_sort	tdlas-based $ nh_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm dfb diode laser
title_auth	TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser
abstract	Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. © The Author(s) 2015
abstractGer	Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. © The Author(s) 2015
abstract_unstemmed	Abstract A new developed tunable diode laser spectrometer for the measurement of ammonia ($ NH_{3} $) mole fractions in exhaust gas matrices with strong $ CO_{2} $ and $ H_{2} $O background at temperatures up to 800 K is presented. In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. There the spectrometer achieved normalized ammonia detection limits of 7–10 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}%$ and 2–3 %${\text{ppm}}_{\text{V}}\cdot{\text{m}}/\sqrt{\text{Hz}}%$. © The Author(s) 2015
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title_short	TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser
url	https://dx.doi.org/10.1007/s00340-015-6073-5
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up_date	2024-07-04T00:19:50.142Z
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In situ diagnostics in harsh exhaust environments during SCR after treatment are enabled by the use of ammonia transitions in the $ ν_{2} $ + $ ν_{3} $ near-infrared band around 2300 nm. Therefore, three lines have been selected, coinciding near 2200.5 nm (4544.5 $ cm^{−1} $) with rather weak temperature dependency and minimal interference with $ CO_{2} $ and $ H_{2} $O. A fiber-coupled 2.2-μm distributed feedback laser diode was used and attached to the hot gas flow utilizing adjustable gas tight high-temperature fiber ports. The spectrometer spans four coplanar optical channels across the measurement plane and simultaneously detects the direct absorption signal via a fiber-coupled detector unit. An exhaust simulation test rig was used to characterize the spectrometer’s performance in ammonia-doped hot gas environments. We achieved a temporal resolution of 13 Hz and temperature-dependent precisions of $ NH_{3} $ mole fraction ranging from 50 to 70 $ ppm_{V} $. 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TDLAS-based $ NH_{3} $ mole fraction measurement for exhaust diagnostics during selective catalytic reduction using a fiber-coupled 2.2-µm DFB diode laser

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