Год выпуска: 2010 Автор: David Seveno Издательство: LAP Lambert Academic Publishing Страниц: 128 ISBN: 9783838312361
Описание
The dynamics wetting of fiber is of crucial importance in the fields, such as composites, optical fiber or textile industries. It is therefore valuable to acquire a clear understanding of the fundamental physical mechanisms which govern this phenomenon. A new theoretical approach is proposed and validated both by experiments and molecular dynamics simulations. The experiments consist in capturing images of meniscus formation around the fiber via a high speed camera. The same kind of procedure is followed to study the spontaneous spreading and the forced wetting of a nanofiber by simulations. It is confirmed that for a given equilibrium contact angle, a maximum of speed wetting occurs. Moreover, a comparison between the values of the microscopic parameters obtained via the adjustement of the theory and a direct measurement of these parameters permits us to check the validity of the chosen theory as well as the reliability of the simulation tool. This book is addressed to researchers...