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The particles also disperse as they advect downstream. We quantify the dispersion as the standard deviation width of a Gaussian distribution ¨®. We determine the total dispersion width ¨®T as the square root of the sum of individual variances.44 The individual sources of measured dispersion include Brownian diffusion, the effects of sidewall roughness, and finite resolution of particle imaging. We have specifically neglected any electrostatic effects due to repulsion of the thin electric double layers. |
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sltmac(½ð±Ò+1): лл½»Á÷~~ 2011-05-31 15:21:43
yt.yutian.(½ð±Ò+8, ·ÒëEPI+1): лл 2011-05-31 23:06:45
sltmac(½ð±Ò+1): лл½»Á÷~~ 2011-05-31 15:21:43
yt.yutian.(½ð±Ò+8, ·ÒëEPI+1): лл 2011-05-31 23:06:45
| The particles also disperse as they advect downstream. Á£×ÓÔÚ˳Á÷ƽÁ÷ÊäËÍʱҲ¿É·¢Éú·ÖÉ¢¡£We quantify the dispersion as the standard deviation width of a Gaussian distribution ¨®. ÎÒÃǰѷÖÉ¢Á¿»¯Îª¸ß˹·Ö²¼¨®µÄ±ê׼ƫ²î¿í¶È¡£We determine the total dispersion width ¨®T as the square root of the sum of individual variances.44ÎÒÃÇÈ·¶¨×ÜÆ«²î¨®TΪ¸öÌå·½²îºÍµÄƽ·½¸ù¡£The individual sources of measured dispersion include Brownian diffusion, the effects of sidewall roughness, and finite resolution of particle imaging.²âµÃµÄ·ÖÉ¢µÄÀ´Ô´°üÀ¨²¼ÀÊÀ©É¢¡¢²à±Ú´Ö²Ú¶ÈÓ°ÏìºÍÁ£×Ó³ÉÏñµÄÓÐÏÞ·Ö±æÂÊ¡£ We have specifically neglected any electrostatic effects due to repulsion of the thin electric double layers. ÓÉÓÚÈõË«µç²ãµÄÅų⣬ÎÒÃÇÌØ±ðµØºöÂÔÁ˾²µçЧӦ¡£ |
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