Model for the combination of diffusional and inertial particle deposition on inverse surfaces at low pressure

Christof Asbach; Heinz Fissan; Thomas A.J. Kuhlbusch; Jing Wang; David Y.H. Pui

doi:10.1063/1.2967874

Model for the combination of diffusional and inertial particle deposition on inverse surfaces at low pressure

Christof Asbach, Heinz Fissan, Thomas A.J. Kuhlbusch, Jing Wang, David Y.H. Pui

Mechanical Engineering

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

4 Scopus citations

Abstract

A model was developed to estimate particle contamination probabilities on inverse surfaces at low pressure for inertial and diffusional particle deposition under the influence of gravity, drag, and thermophoresis. The model shows that contamination probabilities strongly depend on particle size, initial velocity, and initial distance between particle and surface. While thermophoresis effectively protects the surface against deposition of particles with 10 mm (or more) initial distance and velocities below 1 ms, the contamination probability of particles with an initial distance of 0.1 mm is very high for small particles due to their high diffusivity and for fast particles due to inertia.

Original language	English (US)
Article number	054104
Journal	Applied Physics Letters
Volume	93
Issue number	5
DOIs	https://doi.org/10.1063/1.2967874
State	Published - Sep 22 2008

Access

10.1063/1.2967874

Fingerprint Dive into the research topics of 'Model for the combination of diffusional and inertial particle deposition on inverse surfaces at low pressure'. Together they form a unique fingerprint.

Cite this

@article{d9cc12007f4f4094b61afea0bb5cec8e,

title = "Model for the combination of diffusional and inertial particle deposition on inverse surfaces at low pressure",

abstract = "A model was developed to estimate particle contamination probabilities on inverse surfaces at low pressure for inertial and diffusional particle deposition under the influence of gravity, drag, and thermophoresis. The model shows that contamination probabilities strongly depend on particle size, initial velocity, and initial distance between particle and surface. While thermophoresis effectively protects the surface against deposition of particles with 10 mm (or more) initial distance and velocities below 1 ms, the contamination probability of particles with an initial distance of 0.1 mm is very high for small particles due to their high diffusivity and for fast particles due to inertia.",

author = "Christof Asbach and Heinz Fissan and Kuhlbusch, {Thomas A.J.} and Jing Wang and Pui, {David Y.H.}",

year = "2008",

month = sep,

day = "22",

doi = "10.1063/1.2967874",

language = "English (US)",

volume = "93",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics Publising LLC",

number = "5",

}

TY - JOUR

T1 - Model for the combination of diffusional and inertial particle deposition on inverse surfaces at low pressure

AU - Asbach, Christof

AU - Fissan, Heinz

AU - Kuhlbusch, Thomas A.J.

AU - Wang, Jing

AU - Pui, David Y.H.

PY - 2008/9/22

Y1 - 2008/9/22

N2 - A model was developed to estimate particle contamination probabilities on inverse surfaces at low pressure for inertial and diffusional particle deposition under the influence of gravity, drag, and thermophoresis. The model shows that contamination probabilities strongly depend on particle size, initial velocity, and initial distance between particle and surface. While thermophoresis effectively protects the surface against deposition of particles with 10 mm (or more) initial distance and velocities below 1 ms, the contamination probability of particles with an initial distance of 0.1 mm is very high for small particles due to their high diffusivity and for fast particles due to inertia.

AB - A model was developed to estimate particle contamination probabilities on inverse surfaces at low pressure for inertial and diffusional particle deposition under the influence of gravity, drag, and thermophoresis. The model shows that contamination probabilities strongly depend on particle size, initial velocity, and initial distance between particle and surface. While thermophoresis effectively protects the surface against deposition of particles with 10 mm (or more) initial distance and velocities below 1 ms, the contamination probability of particles with an initial distance of 0.1 mm is very high for small particles due to their high diffusivity and for fast particles due to inertia.

UR - http://www.scopus.com/inward/record.url?scp=51849164488&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=51849164488&partnerID=8YFLogxK

U2 - 10.1063/1.2967874

DO - 10.1063/1.2967874

M3 - Article

AN - SCOPUS:51849164488

VL - 93

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 5

M1 - 054104

ER -