流体动力学专论

所属分类:力学  
出版时间:2011-6   出版时间:北京航空航天大学出版社   作者:周文隆,熊焰 著   页数:315  

内容概要

A Treatise in Fluid Dynamics is a
textbook for beginning engineering students who have background of
basic calculus and physics. This textbook follows a typical
sequence of topics of dynamics of fluids by starting with an
introduction to the subject, concentrating on terminologies, simple
concepts, and clarifying adoption of the system and control volume
approach to describe the motion of the fluid. It then follows by
unsteady im-pressible incompressible flows, impressible potential
flows, numerical computation of fluid dynamic problems,viscous
flows, and open channel flows. A large numbers of examples, such as
sluice gate, a sharp crested weir, jet-plate interaction, etc. ,
are presented throughout the textbook to emphasize the applications
of fluid dynamics to various practical problems. Some simple
Fortran computer programs are provided for calculating
incompressible potential flow past simple geometrical bodies based
upon surface source distributions and other problems. As this
textbook is the extended version of the lecture notes prepared by
the first author throughout his career of teaching and research in
the areas of gas dynamics, fluid dynamics and thermodynamics at the
University of Illinois at Urbana-Champaign and Florida Atlantic
University, it can serve as a useful reference book for graduate
students and researchers in the related technical fields.

书籍目录

CHAPTER 1 BASIC EQUATIONS GOVERNING THE FLOW OF
FLUIDS
CHAPTER 2 APPLICATION OF BERNOULLI's PRINCIPLE TO SOME
INCOMPRESSIBLE FLOWS
CHAPTER 3 POTENTIAL FLOW OF AN IDEAL FLUID
CHAPTER 4 NUMERICAL COMPUTATIONS ON FLUID DYNAMIC
PROBLEMS——WITH EMPHASIS ON INVISCID FLOWS
CHAPTER 5 VISCOUS FLOWS INTRODUCTION
CHAPTER 6 OPEN CHANNEL FLOWS INTRODUCTION
APPENDIX A A REVIEW OF VECTOR-ANALYSIS
APPENDIX B VARIOUS VECTOR EXPRESSIONS IN ORTHOGONAL
CURVILINEAR SYSTEM OF COORDINATES
APPENDIX C MATHEMATIC PROCEDURE TO COMPUTE VENA-CONTRACTING
COEFFICIENTS

章节摘录

版权页:插图:To
study
the
motion
of
a
fluid,
we
must
identify
a
fluid
element
and
describe
the
flowevents
associated
with
it.
One
way
of
doing
this
is
to
identify
a
particular
element
of
fluidand
describe
the
detailed
motion
of
this
element.
This
is
the
familiar
kind
of
descriptionadopted
to
study
the
dynamics
of
a
particle
or
a
rigid
body,
and
is
called
the
particle
orLagrangian
approach.
However,
this
is
not
a
convenient
way
to
study
the
motion
of
a
fluid.Another
way
to
describe
a
fluid
motion
is
to
specify
the
flow
properties
of
the
fluid
at
aspecific
location
within
a
physical
region;
this
is
the
field
or
Eulerian
approach~
and
isadopted
here
to
study
the
motion
of
the
fluid.
The
weather
map
is
a
good
example
of
theEulerian
approach.
Since
all
principles
of
conservation
are
always
referring
to
a
specific
massof
fluid(the
Lagrangian
approach),
and
we
shall
adopt
the
Eulerian
approach
in
our
study,we
must
discuss
these
two
schemes
in
detail
and
establish
the
relationship
of
transformationbetween
them.1.2.
1
Lagrangian
FormulationWithin
the
Lagrangian
scheme,
we
focus
our
attention
on
a
particular
element
of
thefluid
and
describe
its
flow
events
as
time
proceeds.
For
example,
we
may
express
the
spatiallocation
of
an
element
of
fluid
as
a
function
of
time,
t.
X(t),
Y(t),
and
Z(t).
The
velocityand
acceleration
of
this
element
of
fluid
is
found
by
differentiating
these
functions
withrespect
to
t.
We
may
also
use
functions
of
the
form
P(t),
T(t),
and
p(t)
to
express,respectively,
the
pressure,
temperature,
and
density
of
this
element
of
fluid
as
functions
oftime.
However,
to
make
this
representation
meaningful,
we
must
have
some
means
toidentify
these
quantities
for
each
fluid
element
in
the
flow
field.
One
way
of
identifying
afluid
element
is
to
define
its
spatial
location
at
a
given
time.

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《流体动力学专论》由北京航空航天大学出版社出版的。

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