方案摘要
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A laser image system for studying bubble formation at the orifice submerged in liquid was established. The process of bubble formation can be directly visualized and real-time recorded through computer by means of He–Ne laser as light source using the beam expanding and light amplification technique. The behaviors of bubble formation in polyacrylamide (PAM) aqueous solutions were investigated at temperature 293.15K and orifice diameters 1, 1.5 and 2 mm, respectively, the chamber volume was 90 cm3 and the gas flowrate from 0.1 to 0.6 cm3/s. The influences of mass concentration of solution and orifice diameter on bubble detachment volume were investigated experimentally and the results show that bubble detachment volume increases with solution concentration and orifice diameter in the experimental range of this work.
改进的Washburn法研究矿物岩石颗粒的表面润湿性
接触角测量仪---如何方便地测量墨水、油墨、涂料等的接触角和表面张力
FOAMSCAN泡沫分析仪表征外部设备产生的泡沫特性
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