Powders and Bulk Solids: Behavior, Characterization, Storage and Flow
Autor Dietmar Schulzeen Limba Engleză Paperback – 18 oct 2010
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Specificații
ISBN-13: 9783642092985
ISBN-10: 3642092985
Pagini: 532
Dimensiuni: 155 x 235 x 28 mm
Greutate: 0 kg
Ediția:2008
Editura: Springer Berlin, Heidelberg
Colecția Springer
Locul publicării:Berlin, Heidelberg, Germany
ISBN-10: 3642092985
Pagini: 532
Dimensiuni: 155 x 235 x 28 mm
Greutate: 0 kg
Ediția:2008
Editura: Springer Berlin, Heidelberg
Colecția Springer
Locul publicării:Berlin, Heidelberg, Germany
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Public țintă
Professional/practitionerDescriere
In
the
engineering
community
the
handling
of
powders
and
bulk
solids
is
called
bulk
solids
technology
being,
at
least
in
Germany,
part
of
mecha-
cal
process
engineering.
Process
engineering
involves
study
of
the
change
and
transformation
of
material
properties.
If
mechanical
processes
are
used
for
this
transformation,
the
engineering
discipline
is
called
mechanical
process
engineering.
The
best
known
unit
operations
of
mechanical
pr-
ess
engineering
are
grinding,
agglomeration,
mixing,
and
separation.
Due
to
the
mechanical
treatment,
the
particles
–
either
single
particles
or
a
c-
lection
of
particles
–
increase
in
value.
To
profit
from
this
value
increase
industry
and
academia
perform
research
and
development.
When
handling
bulk
solids,
e.
g.
storing,
dosing
and
conveying,
no
value
increase
can
be
achieved,
because
the
material
properties
are
not
changed.
What
can
be
achieved
is
“at
most”
the
elimination
of
problems
which
is
less
interesting
research
and
development
compared
to
the
development
of
new
products
or
processes
with
the
chance
to
obtain
a
patent.
A
silo
for
the
intermediate
storage
of
bulk
solids
often
seems
to
be
only
a
single,
unimportant
element
for
the
realization
of
a
larger
process.
Bulk
solid
is
filled
into
the
silo
continuously
or
discontinuously
and
discharged
later
at
predetermined
points
of
time
in
desired
quantities.
That
is
not
-
ways
unproblematic.
The
known
problems
of
arching
and
ratholing
can
lead
to
irregular
discharge
or
complete
blockage.
Cuprins
Fundamentals.-
Flow
properties
of
bulk
solids.-
Practical
determination
of
flow
properties.-
A
more
detailed
look
at
properties
of
bulk
solids.-
Discussion
of
testers
and
test
procedures.-
Properties
exhibited
by
some
bulk
solids.-
Examples
of
measured
flow
properties.-
Stresses.-
Silo
design
for
flow.-
Silo
configurations.-
Discharge
of
bulk
solids.-
Segregation.-
Silo
quaking
and
silo
honking.-
Sample
problems
and
solutions.
Recenzii
Aus
den
Rezensionen:“...
Im
ersten
Teil,
der
etwa
250
Seiten
umfasst,
gelingt
es
dem
Autor
durch
anschauliche
Abbildungen
und
eine
verständliche
Darstellung,
dem
Leser
einen
tiefen
Einblick
in
die
Schüttguttechnik
zu
geben.
...
Trotz
dieser
Ausführlichkeit
...
bleibt
das
Buch
durch
seine
klare
und
übersichtliche
Struktur
gut
lesbar.
Im
zweiten
Teil
...
fließen
die
...
praktischen
Erfahrungen
des
Autors
ein
...
Das
...
Ziel,
einem
breiten
Leserkreis
eine
verständliche
Einführung
in
die
Welt
der
Schüttguttechnik
zu
geben
...
wird
voll
und
ganz
erreicht.
…
Es
ist
seit
langem
das
beste
Buch
…“
(R.
Schmitt,
in:
Chemie
Ingenieur
Technik,
April/2010,
Vol.
82,
Issue
4,
S.
553
f.)
Textul de pe ultima copertă
The
book
concentrates
on
powder
flow
properties,
their
measurement
and
applications.
These
topics
are
explained
starting
from
the
interactions
between
individual
particles
up
to
the
design
of
silos.
A
wide
range
of
problems
are
discussed
–
such
as
flow
obstructions,
segregation,
and
vibrations.
The
goal
is
to
provide
a
deeper
understanding
of
the
powder
flow,
and
to
show
practical
solutions.
In the first part the fundamentals of bulk solids flow are outlined: particle-particle interactions, stress, friction, strength, density, flow properties and methods of measurement, shear testers and other test procedures, specific properties of powders and how they are influenced by moisture, temperature, and flow agents.
The second part deals with the application of the flow properties in the design of properly working bulk solid containers like bins, silos, and hoppers. Other topics include: the technical design of silo walls, feeders, discharge aids, inserts, the assessment of stresses in silos, segregation and how to avoid it, and vibrations or shocks occurring in silos.
In the first part the fundamentals of bulk solids flow are outlined: particle-particle interactions, stress, friction, strength, density, flow properties and methods of measurement, shear testers and other test procedures, specific properties of powders and how they are influenced by moisture, temperature, and flow agents.
The second part deals with the application of the flow properties in the design of properly working bulk solid containers like bins, silos, and hoppers. Other topics include: the technical design of silo walls, feeders, discharge aids, inserts, the assessment of stresses in silos, segregation and how to avoid it, and vibrations or shocks occurring in silos.
Caracteristici
Helps
to
understand
the
fundamental
behaviour
of
powders
and
bulk
solids
Identifies suitable test methods and helps to interpret and understand their results
Explains how bulk solids flow influences the design of a plant or an installation
Identifies suitable test methods and helps to interpret and understand their results
Explains how bulk solids flow influences the design of a plant or an installation
Notă biografică
Dietmar Schulze is Professor of Mechanical Process Engineering at the Ostfalia University of Applied Sciences in Wolfsburg/Germany since 1996. He is Expert in the areas of powder characterization and handling. Dietmar Schulze holds seminars on powder technology and has published more than 140 papers. In 1991, he incorporated the consultancy “Schwedes and Schulze Schüttguttechnik” with his Former Doctoral Supervisor, Prof. Jörg Schwedes, and in 1993, he founded the company “Dr. Dietmar Schulze Schüttgutmesstechnik” being active in developing and manufacturing ring shear testers for the measurement of flow properties of powders