Multiphase Media

Abstract

The fundamentals of the mechanics of multiphase media are presented here for the first time within the framework of a course in fluid mechanics. This new branch of mechanics has appeared comparatively recently, about 40 years ago, in connection with the development of aerospace technology, nuclear power, and new technologies. At present, the general principles of the construction of the models of the mechanics of multiphase media have been formulated, and there are numerous applications. While presenting the material, we have aimed on the one hand to familiarize the reader with the mathematical models, which are applied for the description of various multiphase media, and on the other hand, to give an insight into the specific physical phenomena occurring in these media. Since the mechanics of multiphase media now enjoy a rapid development, the material of the present chapter does not have such a full-blown character as in the foregoing chapters. It will enable the reader to rapidly enter the details and become familiar with problems in the field of the mechanics of multi phase media.