Momentum and heat transfer in gas atomization of melts

被引：1

作者：

Singh, Devendra ^{[1
]}

Tomar, Aruna ^{[1
]}

Ojha, K. V. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Met & Mat Engn, Roorkee 247667, Uttar Pradesh, India

来源：

STEEL RESEARCH INTERNATIONAL | 2007年 / 78卷 / 03期

关键词：

droplet; melt; pitot tube; latent heat; atomization; laval nozzles; solidification;

D O I：

10.1002/srin.200705886

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Gas atomization of melt is widely used to produce metal powders and spray formed parts. In this process heat and momentum transfer of metal droplets take place during their flight in the gas medium. It is quite important to know the values of various parameters related to these two modes of transport phenomena. In the present paper mathematical models were developed and experimentally verified to predict values of various parameters, such as droplet and gas velocity, droplet temperature with time and distance travelled, percentage release of latent heat by the droplet. Four metals, lead, zinc, aluminium and tin were atomized to collect experimental data.

引用

页码：241 / 247

页数：7

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