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Chemical evolution of an isolated power plant plume during the TexAQS 2000 study

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Title: Chemical evolution of an isolated power plant plume during the TexAQS 2000 study
Authors: Springston, Stephen R., Kleinman, Lawrence I.1, Brechtel, Frederick, Lee, Yin-Nan1, Nunnermacker, Linda J.1, Wang, Jian1
Source: Atmospheric Environment. Jun2005, Vol. 39 Issue 19, p3431-3443. 13p.
Subjects: Power plants, Smoke plumes, Coal, Air pollution
Abstract: Abstract: Stack emissions from a coal-burning power plant were measured during a research flight of the DOE G-1 during the Texas Air Quality Study (TexAQS 2000) on 10 September 2000. Clean upstream air and an isolated location allowed the plume to be unambiguously sampled during 12 successive downwind transects to a distance of 63km—corresponding to a processing time of 4.6h. The chemical transformation rates of sulfur and nitrogen primary pollutants into aerosol SO and HNO yield independent values of OH concentration (8.0 and cm, respectively) that are consistent within experimental uncertainty and qualitatively agree with constrained steady-state (CSS) box model calculations. Ozone production efficiency increases with plume age as expected. Primary aerosol emissions with m were sampled near the stack. As the plume ages, aerosol size distributions adjusted for dilution show constant number concentrations of aerosols nm and a marked increase in accumulation-mode particles ( m) as gas-to-particle-conversion causes smaller particles to grow. [Copyright &y& Elsevier]
Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 17924424
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Chemical evolution of an isolated power plant plume during the TexAQS 2000 study
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  Data: <searchLink fieldCode="AR" term="%22Springston%2C+Stephen+R%2E%22">Springston, Stephen R.</searchLink><br /><searchLink fieldCode="AR" term="%22Kleinman%2C+Lawrence+I%2E%22">Kleinman, Lawrence I.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brechtel%2C+Frederick%22">Brechtel, Frederick</searchLink><br /><searchLink fieldCode="AR" term="%22Lee%2C+Yin-Nan%22">Lee, Yin-Nan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Nunnermacker%2C+Linda+J%2E%22">Nunnermacker, Linda J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Jian%22">Wang, Jian</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Atmospheric+Environment%22">Atmospheric Environment</searchLink>. Jun2005, Vol. 39 Issue 19, p3431-3443. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Power+plants%22">Power plants</searchLink><br /><searchLink fieldCode="DE" term="%22Smoke+plumes%22">Smoke plumes</searchLink><br /><searchLink fieldCode="DE" term="%22Coal%22">Coal</searchLink><br /><searchLink fieldCode="DE" term="%22Air+pollution%22">Air pollution</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: Stack emissions from a coal-burning power plant were measured during a research flight of the DOE G-1 during the Texas Air Quality Study (TexAQS 2000) on 10 September 2000. Clean upstream air and an isolated location allowed the plume to be unambiguously sampled during 12 successive downwind transects to a distance of 63km—corresponding to a processing time of 4.6h. The chemical transformation rates of sulfur and nitrogen primary pollutants into aerosol SO and HNO yield independent values of OH concentration (8.0 and cm, respectively) that are consistent within experimental uncertainty and qualitatively agree with constrained steady-state (CSS) box model calculations. Ozone production efficiency increases with plume age as expected. Primary aerosol emissions with m were sampled near the stack. As the plume ages, aerosol size distributions adjusted for dilution show constant number concentrations of aerosols nm and a marked increase in accumulation-mode particles ( m) as gas-to-particle-conversion causes smaller particles to grow. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.atmosenv.2005.01.060
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      – Code: eng
        Text: English
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        Type: general
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              Text: Jun2005
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