Extinction efficiencies of elongated soot particles

T. T. Charalampopoulos; D. W. Hahn

doi:10.1016/0022-4073(89)90085-X

Extinction efficiencies of elongated soot particles

T. T. Charalampopoulos, D. W. Hahn

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

8 Scopus citations

Abstract

Knowledge of the radiative properties of soot particles is needed in many areas of research and practical applications. Soot particles play a significant role in radiative heat-transfer modeling, efficiency of mobile and stationary combustion systems and air pollution studies. The effects of soot shape on flame radiation have often been addressed with much attention given to the limiting shapes of agglomeration: spheres and long chains modeled as infinite cylinders. In the present study, we investigate the existing approximate solutions for cylinder-like agglomerated soot. A new approximate expression for this type of agglomerate is presented that accurately describes the extinction efficiency of combustion-generated soot as a function of the particle radius and its refractive indices.

Original language	English (US)
Pages (from-to)	219-224
Number of pages	6
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	42
Issue number	3
DOIs	https://doi.org/10.1016/0022-4073(89)90085-X
State	Published - Sep 1989
Externally published	Yes

ASJC Scopus subject areas

Radiation
Atomic and Molecular Physics, and Optics
Spectroscopy

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10.1016/0022-4073(89)90085-X

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abstract = "Knowledge of the radiative properties of soot particles is needed in many areas of research and practical applications. Soot particles play a significant role in radiative heat-transfer modeling, efficiency of mobile and stationary combustion systems and air pollution studies. The effects of soot shape on flame radiation have often been addressed with much attention given to the limiting shapes of agglomeration: spheres and long chains modeled as infinite cylinders. In the present study, we investigate the existing approximate solutions for cylinder-like agglomerated soot. A new approximate expression for this type of agglomerate is presented that accurately describes the extinction efficiency of combustion-generated soot as a function of the particle radius and its refractive indices.",

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AU - Hahn, D. W.

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AB - Knowledge of the radiative properties of soot particles is needed in many areas of research and practical applications. Soot particles play a significant role in radiative heat-transfer modeling, efficiency of mobile and stationary combustion systems and air pollution studies. The effects of soot shape on flame radiation have often been addressed with much attention given to the limiting shapes of agglomeration: spheres and long chains modeled as infinite cylinders. In the present study, we investigate the existing approximate solutions for cylinder-like agglomerated soot. A new approximate expression for this type of agglomerate is presented that accurately describes the extinction efficiency of combustion-generated soot as a function of the particle radius and its refractive indices.

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JF - Journal of Quantitative Spectroscopy and Radiative Transfer

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Extinction efficiencies of elongated soot particles

Abstract

ASJC Scopus subject areas

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