1989
DOI: 10.1016/0017-9310(89)90233-0
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Photophoresis of aerosol particles in the free molecular and slip-flow regimes

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Cited by 105 publications
(78 citation statements)
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“…2 pp. 85-103 96 Appendix A for the cylinder (Owen et al 1981;Benincasa et al 1987;Sun et al 2005;Liu et al 2010) and a typical but similar formulism for the sphere (Bohren and Huffman 1983;Mackowski 1989;Allen et al 1991). For a particle of high absorptivity, as shown in Figure 7a, the photophoretic velocity increases with an increase in the value of the particle size parameter  / π 2 a as expected for both cases of cylindrical and spherical particles with a fixed value of * k .…”
Section: Photophoretic Velocitysupporting
confidence: 54%
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“…2 pp. 85-103 96 Appendix A for the cylinder (Owen et al 1981;Benincasa et al 1987;Sun et al 2005;Liu et al 2010) and a typical but similar formulism for the sphere (Bohren and Huffman 1983;Mackowski 1989;Allen et al 1991). For a particle of high absorptivity, as shown in Figure 7a, the photophoretic velocity increases with an increase in the value of the particle size parameter  / π 2 a as expected for both cases of cylindrical and spherical particles with a fixed value of * k .…”
Section: Photophoretic Velocitysupporting
confidence: 54%
“…85-103 87 Recently, the effect of thermal stress slip, incorporating with the effects of the frictional slip, thermal creep, and temperature jump, at the particle surface on the thermophoresis and photophoresis of an aerosol sphere was analyzed Soong et al 2010;Chang and Keh 2012). The thermophoretic and photophoretic forces exerted on the particle obtained from these analyses were found to agree better with experimental data in comparison with those predicted by Brock (1962) and Mackowski (1989) excluding the effect of thermal stress slip. It is widely noticed that aerosol particles are generally non-spherical and exploration of effects of particle shape on thermophoresis is needed (Leong 1984;Williams 1986;Keh and Ou 2004;Keh and Chang 2009;Wang and Keh 2010;Chen and Keh 2014).…”
Section: Introductionmentioning
confidence: 96%
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“…It should also be mentioned that particles can experience negative photophoresis, which means that particles can be attracted by light. However, this is restricted to the smallest particles, roughly below 10 µm in size (Mackowski 1989;Rohatschek 1985). The fraction of the disk made up of such small particles (which exhibit either negative photophoresis or no photophoresis) might delay the clearing of the disk until larger particles have grown.…”
Section: Caveats and Future Workmentioning
confidence: 99%
“…The latter is not known for realistic materials, and its determination requires complicated numerical procedures (see, e.g. Mackowski 1989). Analytical solutions are possible, but only in the cases of high or low absorption coefficients (see Arnold & Lewittes 1982).…”
Section: Radiation Pressurementioning
confidence: 99%