气固轴对称射流中固粒扩散的研究

工程热物理学报 , 2000, 21(2): 234-237.

1.浙江大学力学系,流体传动及控制国家重点实验室,浙江,杭州,310027;杭州应用工程技术学院,浙江,杭州,310012

2.杭州应用工程技术学院,浙江,杭州,310012

3.浙江大学力学系,流体传动及控制国家重点实验室,浙江,杭州,310027

基金项目: 教育部新世纪优秀人才支持计划

RESEARCH ON THE PARTICLE DISPERSION IN THE PARTICULATE AXISYMMETRIC JET

由三维离散涡丝方法对气固轴对称射流场数值模拟的结果表明,当固粒St数<1时,固粒明显受到流场运动的影响;St=1时,固粒均匀分布在涡结构周围;当St>1时,固粒受流场影响较弱.对涡环沿周向施以五个波长扰动时,固粒扩散范围较宽.

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