Laser-based planar imaging of nano-particle fluidization: Part II-mechanistic analysis of nanoparticle aggregation

Xiao Shan Wang; Virginia Palero; Julio Soria; Martin John Rhodes

doi:10.1016/j.ces.2006.09.046

Laser-based planar imaging of nano-particle fluidization: Part II-mechanistic analysis of nanoparticle aggregation

Xiao Shan Wang
, Virginia Palero
, Julio Soria
, Martin John Rhodes

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

41 Citations (Scopus)

Abstract

Degussa Aerosil R974 powder, with a primary particle size of 12 nm, was fluidized using nitrogen in a glass vessel of 46 turn square cross-section. Images of nanoparticle aggregates were recorded with a high-resolution digital CCD camera. The settling velocities of the nanoparticle aggregates were obtained through PIV (particle image velocimetry) analysis and manual tracking of individual aggregates. The results enabled an assessment of the applicability of the Richardson-Zaki equation to nanoparticle fluidization. The internal structure and formation mechanisms of nanoparticle aggregates formed under fluidization conditions are discussed in the light of the results obtained. (c) 2006 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	8040 - 8049
Number of pages	10
Journal	Chemical Engineering Science
Volume	61
Issue number	24
DOIs	https://doi.org/10.1016/j.ces.2006.09.046
Publication status	Published - 2006

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10.1016/j.ces.2006.09.046

Cite this

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title = "Laser-based planar imaging of nano-particle fluidization: Part II-mechanistic analysis of nanoparticle aggregation",

abstract = "Degussa Aerosil R974 powder, with a primary particle size of 12 nm, was fluidized using nitrogen in a glass vessel of 46 turn square cross-section. Images of nanoparticle aggregates were recorded with a high-resolution digital CCD camera. The settling velocities of the nanoparticle aggregates were obtained through PIV (particle image velocimetry) analysis and manual tracking of individual aggregates. The results enabled an assessment of the applicability of the Richardson-Zaki equation to nanoparticle fluidization. The internal structure and formation mechanisms of nanoparticle aggregates formed under fluidization conditions are discussed in the light of the results obtained. (c) 2006 Elsevier Ltd. All rights reserved.",

author = "Wang, \{Xiao Shan\} and Virginia Palero and Julio Soria and Rhodes, \{Martin John\}",

year = "2006",

doi = "10.1016/j.ces.2006.09.046",

language = "English",

volume = "61",

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journal = "Chemical Engineering Science",

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T1 - Laser-based planar imaging of nano-particle fluidization: Part II-mechanistic analysis of nanoparticle aggregation

AU - Wang, Xiao Shan

AU - Palero, Virginia

AU - Soria, Julio

AU - Rhodes, Martin John

PY - 2006

Y1 - 2006

N2 - Degussa Aerosil R974 powder, with a primary particle size of 12 nm, was fluidized using nitrogen in a glass vessel of 46 turn square cross-section. Images of nanoparticle aggregates were recorded with a high-resolution digital CCD camera. The settling velocities of the nanoparticle aggregates were obtained through PIV (particle image velocimetry) analysis and manual tracking of individual aggregates. The results enabled an assessment of the applicability of the Richardson-Zaki equation to nanoparticle fluidization. The internal structure and formation mechanisms of nanoparticle aggregates formed under fluidization conditions are discussed in the light of the results obtained. (c) 2006 Elsevier Ltd. All rights reserved.

AB - Degussa Aerosil R974 powder, with a primary particle size of 12 nm, was fluidized using nitrogen in a glass vessel of 46 turn square cross-section. Images of nanoparticle aggregates were recorded with a high-resolution digital CCD camera. The settling velocities of the nanoparticle aggregates were obtained through PIV (particle image velocimetry) analysis and manual tracking of individual aggregates. The results enabled an assessment of the applicability of the Richardson-Zaki equation to nanoparticle fluidization. The internal structure and formation mechanisms of nanoparticle aggregates formed under fluidization conditions are discussed in the light of the results obtained. (c) 2006 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.ces.2006.09.046

DO - 10.1016/j.ces.2006.09.046

M3 - Article

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VL - 61

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EP - 8049

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