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Title: Localization and Quantification of Trace-gas Fugitive Emissions Using a Portable Optical Spectrometer

Abstract

We present a portable optical spectrometer for fugitive emissions monitoring of methane (CH4). The sensor operation is based on tunable diode laser absorption spectroscopy (TDLAS), using a 5 cm open path design, and targets the 2ν3 R(4) CH4 transition at 6057.1 cm-1 (1651 nm) to avoid cross-talk with common interfering atmospheric constituents. Sensitivity analysis indicates a normalized precision of 2.0 ppmv∙Hz-1/2, corresponding to a noise-equivalent absorption (NEA) of 4.4×10-6 Hz-1/2 and minimum detectible absorption (MDA) coefficient of αmin = 8.8×10-7 cm-1∙Hz-1/2. Our TDLAS sensor is deployed at the Methane Emissions Technology Evaluation Center (METEC) at Colorado State University (CSU) for initial demonstration of single-sensor based source localization and quantification of CH4 fugitive emissions. The TDLAS sensor is concurrently deployed with a customized chemi-resistive metal-oxide (MOX) sensor for accuracy benchmarking, demonstrating good visual correlation of the concentration time-series. Initial angle-of-arrival (AOA) results will be shown, and development towards source magnitude estimation will be described.

Authors:
 [1];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [1];  [1]
  1. IBM, Yorktown Heights, NY (United States). Thomas J. Watson Research Center
  2. Princeton Univ., NJ (United States). Electrical Engineering Dept.
Publication Date:
Research Org.:
IBM Research
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1433075
Report Number(s):
DOE-IBM-0000540-13
DOE Contract Number:  
AR0000540
Resource Type:
Conference
Resource Relation:
Conference: SPIE Defense and Commercial Sensing (DCS) 2018, Orlando, FL, April 15-19, 2018.; Related Information: E. J. Zhang, C. C. Teng, T. G. van Kessel, L. Klein, R. Muralidhar, C. Xiong, Y. Martin, J. S. Orcutt, M. Khater, L. Schares, T. Barwicz, N. Marchack, S. Kamlapurkar, S. Engelmann, G. Wysocki, N. Sosa, and W. M. J. Green, “Localization and Quantification of Trace-gas Fugitive Emissions Using a Portable Optical Spectrometer,” Paper 10629-33, SPIE DCS Conference, Orlando, Florida, April 2018.
Country of Publication:
United States
Language:
English
Subject:
03 NATURAL GAS

Citation Formats

Zhang, Eric, Teng, Chu, van Kessel, Theodore, Klein, Levente, Muralidhar, Ramachandran, Xiong, Chi, Martin, Yves, Orcutt, Jason, Khater, Marwan, Schares, Laurent, Barwicz, Tymon, Marchack, Nathan, Kamlapurkar, Swetha, Engelmann, Sebastian, Wysocki, Gerard, Sosa, Norma, and Green, William. Localization and Quantification of Trace-gas Fugitive Emissions Using a Portable Optical Spectrometer. United States: N. p., 2018. Web. doi:10.1117/12.2305174.
Zhang, Eric, Teng, Chu, van Kessel, Theodore, Klein, Levente, Muralidhar, Ramachandran, Xiong, Chi, Martin, Yves, Orcutt, Jason, Khater, Marwan, Schares, Laurent, Barwicz, Tymon, Marchack, Nathan, Kamlapurkar, Swetha, Engelmann, Sebastian, Wysocki, Gerard, Sosa, Norma, & Green, William. Localization and Quantification of Trace-gas Fugitive Emissions Using a Portable Optical Spectrometer. United States. doi:10.1117/12.2305174.
Zhang, Eric, Teng, Chu, van Kessel, Theodore, Klein, Levente, Muralidhar, Ramachandran, Xiong, Chi, Martin, Yves, Orcutt, Jason, Khater, Marwan, Schares, Laurent, Barwicz, Tymon, Marchack, Nathan, Kamlapurkar, Swetha, Engelmann, Sebastian, Wysocki, Gerard, Sosa, Norma, and Green, William. Sun . "Localization and Quantification of Trace-gas Fugitive Emissions Using a Portable Optical Spectrometer". United States. doi:10.1117/12.2305174. https://www.osti.gov/servlets/purl/1433075.
@article{osti_1433075,
title = {Localization and Quantification of Trace-gas Fugitive Emissions Using a Portable Optical Spectrometer},
author = {Zhang, Eric and Teng, Chu and van Kessel, Theodore and Klein, Levente and Muralidhar, Ramachandran and Xiong, Chi and Martin, Yves and Orcutt, Jason and Khater, Marwan and Schares, Laurent and Barwicz, Tymon and Marchack, Nathan and Kamlapurkar, Swetha and Engelmann, Sebastian and Wysocki, Gerard and Sosa, Norma and Green, William},
abstractNote = {We present a portable optical spectrometer for fugitive emissions monitoring of methane (CH4). The sensor operation is based on tunable diode laser absorption spectroscopy (TDLAS), using a 5 cm open path design, and targets the 2ν3 R(4) CH4 transition at 6057.1 cm-1 (1651 nm) to avoid cross-talk with common interfering atmospheric constituents. Sensitivity analysis indicates a normalized precision of 2.0 ppmv∙Hz-1/2, corresponding to a noise-equivalent absorption (NEA) of 4.4×10-6 Hz-1/2 and minimum detectible absorption (MDA) coefficient of αmin = 8.8×10-7 cm-1∙Hz-1/2. Our TDLAS sensor is deployed at the Methane Emissions Technology Evaluation Center (METEC) at Colorado State University (CSU) for initial demonstration of single-sensor based source localization and quantification of CH4 fugitive emissions. The TDLAS sensor is concurrently deployed with a customized chemi-resistive metal-oxide (MOX) sensor for accuracy benchmarking, demonstrating good visual correlation of the concentration time-series. Initial angle-of-arrival (AOA) results will be shown, and development towards source magnitude estimation will be described.},
doi = {10.1117/12.2305174},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {4}
}

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