This book presents a fluid mechanics perspective to the dynamics of fronts and vortices and their interaction with waves in geophysical flows. It provides a basic physical background for modeling coherent structures in a geophysical context, and it gives essential information on advanced topics such as spontaneous wave emission and wavemomentum transfer in geophysical flows. Based on a set of lectures by leading specialists, this text is targeted at graduate students, researchers and engineers in geophysics and environmental fluid mechanics.
A classic in its field, Professor Milne-Thomson's university text and reference book has long been one of the basic works. This is the complete reprinting of the revised (1966) edition which brings the subject up to date, including a complete and probably unique chapter on conical flow around sweptback wings. A wealth of problems, illustrations and cross-references add to the book's value as a text and a reference.
The final article in this section presents a modification to the Green’s function
approach for modeling acoustic pressure, where the use of conformal mapping is
replaced by a group of bound vortices. The author shows that the approach is readily
extended to three dimensions. The method is discussed in the context of aircraft noise.
This book is the collection of 11 chapters that have been contributed by each
research unit joining a MIUR (Italian Ministry of University and Research) project,
devoted to the topic of fluid structure interaction. The subject matter is divided into
chapters covering a wide spectrum of recognized areas of research, such as: wall
bounded turbulence; quasi 2-D turbulence; canopy turbulence; large eddy
simulation; lake hydrodynamics; hydraulic hysteresis; liquid impacts; flow-induced
vibrations; sloshing flows; transient pipe flow; and air entrainment in dropshaft.
Aircraft wake (photo courtesy of Cessna Aircraft Company). This photograph first appeared in the Gallery of Fluid Motion, Physics of Fluids (published by the American Institute of Physics), Vol. 5, No. 9, Sept. 1993, p. S5, and was submitted by Professor Hiroshi Higuchi (Syracuse University). It shows the wake created by a Cessna Citation VI flown immediately above the fog bank over Lake Tahoe at approximately 313 km/h. A r r f altitude was about icat 122 m above the lake, and its mass was approximately 8400 kg. The downwash caused the trailing vortices to descend over the fog layer...
The most important fact related with fluid motion is to understand the fluid patterns,
and the flow structure ‐ vortices, recirculation zones, high mix regions, poor mix regions,
calm regions, to name a few. Moreover, most of the flows have turbulent characteristics
and turbulence remains one of the unsolved problems in physics. No one
knows how to obtain stochastic solutions to the well‐posed set of partial differential
equations that govern turbulent flows.