Chapter 15.3 - Shock Wave Propagation in Multi-Phase Media: 15.3 Shock Waves in Inert and Reactive Bubbly Liquids

Abstract

This chapter discusses shock waves in inert bubbly liquids and bubbly detonation waves in reactive bubbly liquids. Interaction of a compression wave with a bubbly liquid is characterized by the fact that at a certain length of the layer the total energy of the shock wave, as a result of absorption, is transformed into the energy of the compression waves reradiated by the bubbly medium as a wave packet at a time determined by the bubble collapse time in the layer and dependent on the medium parameters and on the incident shock wave. Energy in the formed wave packet accounts for 20-30% of the initial shock wave energy and is concentrated in a narrow radiation spectrum band. Bubbly detonation is known as a quasi-stationary self-sustaining regime for the formation and propagation of the wave packet in reactive bubbly liquid. Formation of quasi-stationary solitary waves in bubbly detonation depends on the character of the chemical reaction inside a single gas bubble collapsing in the incident shock wave.