Abstract
AbstractThis work reports on bubble dynamics in polymer solutions of various rheological character. Relations between the friction factor and the Reynolds number are discussed and master curves based on the results of Kawase and Moo‐Young are presented and analyzed using two different viscosity expressions. The theoretical results overpredict the friction coefficient except at very high deformation rates. The surface tension is shown to affect the shape of the bubbles but not their velocity, except for bubble volumes smaller than 10‐7 m3.
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