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Computational Fluid Dynamics: A Practical Approach, Fourth Edition
is an introduction to computational fluid dynamics (CFD)
fundamentals and commercial CFD software to solve engineering
problems. The book is designed for a wide variety of engineering
students new to CFD, but is also ideal for practicing engineers
learning CFD for the first time. Combining an appropriate level of
mathematical background, worked examples, computer screen shots,
and step-by-step processes, this book walks the reader through
modeling and computing, as well as interpreting CFD results. This
new edition has been updated throughout, with new content and
improved figures, examples and problems.
Liutex and Its Applications in Turbulence Research reviews the
history of vortex definition, provides an accurate mathematical
definition of vortices, and explains their applications in flow
transition, turbulent flow, flow control, and turbulent flow
experiments. The book explains the term "Rortex" as a
mathematically defined rigid rotation of fluids or vortex, which
could help solve many longstanding problems in turbulence research.
The accurate mathematical definition of the vortex is important in
a range of industrial contexts, including aerospace, turbine
machinery, combustion, and electronic cooling systems, so there are
many areas of research that can benefit from the innovations
described here. This book provides a thorough survey of the latest
research in generalized and flow-thermal, unified, law-of-the-wall
for wall-bounded turbulence. Important theory and methodologies
used for developing these laws are described in detail, including:
the classification of the conventional turbulent boundary layer
concept based on proper velocity scaling; the methodology for
identification of the scales of velocity, temperature, and length
needed to establish the law; and the discovery, proof, and strict
validations of the laws, with both Reynolds and Prandtl number
independency properties using DNS data. The establishment of these
statistical laws is important to modern fluid mechanics and heat
transfer research, and greatly expands our understanding of
wall-bounded turbulence.
Computational Fluid Dynamics: A Practical Approach, Third Edition,
is an introduction to CFD fundamentals and commercial CFD software
to solve engineering problems. The book is designed for a wide
variety of engineering students new to CFD, and for practicing
engineers learning CFD for the first time. Combining an appropriate
level of mathematical background, worked examples, computer screen
shots, and step-by-step processes, this book walks the reader
through modeling and computing, as well as interpreting CFD
results. This new edition has been updated throughout, with new
content and improved figures, examples and problems.
This book collects papers presented in the Invited Workshop,
"Liutex and Third Generation of Vortex Definition and
Identification for Turbulence," from CHAOS2020, June 9-12, 2020,
which was held online as a virtual conference. Liutex is a new
physical quantity introduced by Prof. Chaoqun Liu of the University
of Texas at Arlington. It is a vector and could give a unique and
accurate mathematical definition for fluid rotation or vortex. The
papers in this volume include some Liutex theories and many
applications in hydrodynamics, aerodynamics and thermal dynamics
including turbine machinery. As vortex exists everywhere in the
universe, a mathematical definition of vortex or Liutex will play a
critical role in scientific research. There is almost no place
without vortex in fluid dynamics. As a projection, the Liutex
theory will play an important role on the investigations of the
vortex dynamics in hydrodynamics, aerodynamics, thermodynamics,
oceanography, meteorology, metallurgy, civil engineering,
astronomy, biology, etc. and to the researches of the generation,
sustenance, modelling and controlling of turbulence.
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