Kinetics of picoliter binary droplet evaporation on a substrate at reduced pressure

被引：12

作者：

Saverchenko, V. I. ^{[1
]}

Fisenko, S. P. ^{[1
]}

Khodyko, Yu. A. ^{[1
]}

机构：

[1] Natl Acad Sci Belarus, Lykov Inst Heat & Mass Transfer, Minsk 220072, BELARUS

来源：

COLLOID JOURNAL | 2015年 / 77卷 / 01期

关键词：

CRYSTALLIZATION; NANOPARTICLES; DEPOSITS;

D O I：

10.1134/S1061933X15010147

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effects of different factors on the time of evaporation of a single picoliter droplet of a water-alcohol solution on a metal substrate with a high thermal conductivity have been studied in the free molecular regime. It has been experimentally shown that the evaporation of such droplets occurs in the pinning mode. The evaporation times have been measured for droplets of water-alcohol solutions of different concentrations on the substrate at a reduced pressure. The calculations performed in terms of a one-dimensional mathematical model have shown that the rates of evaporation of pico- and femtoliter droplets of water-alcohol solutions nonlinearly depend on alcohol concentration, initial droplet height, and substrate temperature.

引用

页码：71 / 76

页数：6

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