Thermodynamic properties of the bubble growth process in a pool boiling of water-ethanol mixture two-component system

被引：5

作者：

Sattari, Mohammad ^{[1
]}

Mahdavian, Leila ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Chem, Doroud Branch, POB 133, Doroud, Iran

来源：

OPEN CHEMISTRY | 2019年 / 17卷 / 01期

关键词：

Pool boiling; bubble growth; heat transfer; bubble departure & diameter; HEAT-TRANSFER;

D O I：

10.1515/chem-2019-0010

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Saturated pool boiling in a two-component water-ethanol solution was studied at a pressure of one atmosphere in a horizontal stainless steel cylinder. Solutions with volumes of 3%, 7%, and 12% of water-ethanol solution were examined at a heat flux of 1.8 to 60 kW/m(2). Videos and photos were analyzed and changes in bubble diameter, growth, and departure parameters were recorded. The results showed that the bubble departure diameters increased with increasing heat flux, but diameters decrease with increasing ethanol mass fraction. The experimental data are evaluated with two models of Alavi Fazel and Hamzehkhani's model, have better fitting with Hamzehkhani's model.

引用

页码：88 / 95

页数：8

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