Numerical investigation of non-condensable gas effect on vapor bubble collapse
Theresa Trummler,
Steffen J. Schmidt,
Nikolaus A. Adams
Abstract:We numerically investigate the effect of non-condensable gas inside a vapor bubble on bubble dynamics, collapse pressure and pressure impact of spherical and aspherical bubble collapses. Free gas inside a vapor bubble has a damping effect that can weaken the pressure wave and enhance the bubble rebound. To estimate this effect numerically, we derive and validate a multi-component model for vapor bubbles containing gas. For the cavitating liquid and the non-condensable gas, we employ a homogeneous mixture model… Show more
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