Kyuichi Yasui – författare

Sonochemistry and the Acoustic Bubble provides an introduction to the way ultrasound acts on bubbles in a liquid to cause bubbles to collapse violently, leading to localized 'hot spots' in the liquid with temperatures of 5000� celcius and under pressures of several hundred atmospheres.

These extreme conditions produce events such as the emission of light, sonoluminescence, with a lifetime of less than a nanosecond, and free radicals that can initiate a host of varied chemical reactions (sonochemistry) in the liquid, all at room temperature.

The physics and chemistry behind the phenomena are simply, but comprehensively presented. In addition, potential industrial and medical applications of acoustic cavitation and its chemical effects are described and reviewed.

The book is suitable for graduate students working with ultrasound, and for potential chemists and chemical engineers wanting to understand the basics of how ultrasound acts in a liquid to cause chemical and physical effects.

Experimental methods on acoustic cavitation and sonochemistry Helps users understand how to readily begin experiments in the field Provides an understanding of the physics behind the phenomenon Contains examples of (possible) industrial applications in chemical engineering and environmental technologies Presents the possibilities for adopting the action of acoustic cavitation with respect to industrial applications

This authored monograph serves as an essential introduction and fundamental guide to numerical simulations of acoustic cavitation and sonochemistry. It covers a wide range of cutting-edge computational sonochemistry research, providing insights into the mechanisms of the sonochemical process in homogenous aqueous solutions. The computational aspects discussed include pyrolysis, radical generation within collapsing bubbles, number density determination, and pollutants oxidation. Additionally, the book explores the impacts of various phenomena occurring during acoustic bubble oscillation, such as heat and mass transfer, reaction heat, radical generation, and diffusion. It offers detailed insights into the different phenomena affecting acoustic cavitation and its chemical effects, while, it also advances the understanding of the use of single-bubble sonochemistry computation for characterizing multi-bubble systems in an aqueous medium. The book is a valuable resource for students, researchers, academics, and professionals interested in sonochemistry, particularly the chemical and physical impacts of sonication in aqueous homogeneous systems.

This brief explains in detail fundamental concepts in acoustic cavitation and bubble dynamics, and describes derivations of the fundamental equations of bubble dynamics in order to support those readers just beginning research in this field.