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Bubble Rise Phenomena through Newtonian and Non-Newtonian Fluids

By Aslam Kabir, Aaron Slater, Masud Khan and Darryn Rackemann

Abstract

The characteristics of bubble rise phenomenon in three liquids were investigated and are reported here. The experimental rig consists of two transparent cylindrical columns – one a polycarbonate tube of 125 mm diameter and the other an acrylic tube of 400 mm diameter. The rig also consists of a lifting device designed to hold a video camera for taking bubble images. Water and two non-Newtonian fluids (0.025% and 0.045% by weight of polyacrylamide solutions) were used in this study. The smaller polycarbonate tube was used to study the velocity and the drag coefficient under vacuum. The bigger acrylic tube was used to study the influence of the size of bubbles

Topics: Bubble Velocity, Bubble Trajectory, Polymeric Solutions, Vacuum Pan, Massecuite
Year: 2005
OAI identifier: oai:eprints.qut.edu.au:4871

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