Downstream pressure and elastic wall reflection of droplet flow in a T-junction microchannel

作者：Pang, Yan; Liu, Zhaomiao^*; Zhao, Fuwang

来源：Acta Mechanica Sinica, 2016, 32(4): 579-587.

DOI：10.1007/s10409-016-0561-7

• Droplet flow
• Pressure evolution
• T-junction microchannel
• Elastic wall

This paper discusses pressure variation on a wall during the process of liquid flow and droplet formation in a T-junction microchannel. Relevant pressure in the channel, deformation of the elastic wall, and responses of the droplet generation are analyzed using a numerical method. The pressure difference between the continuous and dispersed phases can indicate the droplet-generation period. The pressure along the channel of the droplet flow is affected by the position of droplets, droplet-generation period, and droplet escape from the outlet. The varying pressures along the channel cause a nonuniform deformation of the wall when they are elastic. The deformation is a vibration and has the same period as the droplet generation arising from the process of droplet formation.

• 出版日期2016-8
• 单位北京工业大学