A Mathematical Model of Ozone Distribution over Walnut Layer in a Vibrating Dryer
Journal of Engineering Sciences,
Год журнала:
2025,
Номер
12(1), С. F1 - F7
Опубликована: Янв. 1, 2025
The
most
energy-intensive
and
time-consuming
process
in
walnut
processing
technology
is
drying.
As
a
rule,
the
moisture
content
about
35-45
%
during
harvesting.
Such
conditions
do
not
allow
for
storage
since
high
humidity
creates
favorable
to
develop
microbiological
enzymatic
processes,
which
cause
an
intensive
decrease
product
quality.
According
international
standards,
should
be
decreased
10
%.
Including
ozone
composition
of
drying
agent
allows
improving
energy
performance
process.
One
means
intensifying
vibrational
impact
on
material
layer.
These
two
factors
significantly
improve
article
aims
increase
intensity
quality
indicators
by
developing
mathematical
substantiation
distribution
over
layer
depth
convective-vibration
dryer
using
comprehensive
vibration-ozonating
effect.
ozone-air
mixture
depends
features
absorption
entire
chamber.
sorption
coolant
flow
influence
parameters.
A
ratio
characterizing
surface
area
blown
with
can
also
increased
transforming
from
stationary
quasi-boiling
due
applying
processed
material.
For
first
time,
theoretical
experimental
results
made
it
possible
evaluate
generator
law
concentration
depending
velocity
vibration
acceleration
obtained
data
showed
that
at
inlet
outlet
chamber
proportional
latter.
8.5
m/s
was
achieved
maximum
magnitude
22.1–32.2
mg/m3.
It
found
average
discrepancy
range
when
leaving
8–10
%,
confirming
reliability
developed
model.
8-10%,
confirms
adequacy
model
expediency
its
further
use.
devoted
solving
urgent
problem
convective
walnuts
effect
description
ongoing
Язык: Английский
Prolonging the oxidative stability of walnut oil by endogenous antioxidants: phytosterol compounding for improved antioxidant capacity
Journal of Food Composition and Analysis,
Год журнала:
2024,
Номер
137, С. 106931 - 106931
Опубликована: Ноя. 5, 2024
Язык: Английский
METHOD OF MEASURING OZONE CONCENTRATION DURING DRYING OF WALNUTS IN A VIBRATORY DRYER
Vibrations in engineering and technology,
Год журнала:
2024,
Номер
3(114), С. 83 - 89
Опубликована: Дек. 24, 2024
From
a
botanical
point
of
view,
walnuts
belong
to
the
genus
Juglans,
which
has
more
than
20
different
species.
The
name
this
comes
from
Latin
phrase
"iovis
glans",
translates
as
"Jupiter's
acorn".
Walnut
kernels
are
used
in
many
industries
-
medicine,
food
and
perfume
industries.
With
addition
hard
fruit
shells,
technological
process
tanning
leather
is
carried
out.
pericarp,
due
its
high
iodine
content,
dye
fabrics
various
shades
brown,
well
for
medical
purposes.
shells
make
activated
carbon,
grinding
stones,
linoleum,
etc.
Currently,
Ukraine
occupies
sixth-eighth
position
world
ranking
terms
walnut
cultivation,
production
export.
Over
past
30
years,
an
average
almost
90,000
tons
nuts
have
been
produced
per
year.
China
world's
leading
producer
exporter
shell,
with
over
705,000
top
three
countries
United
States
Iran,
405,000
256,000
respectively.
Turkey,
Burkina
Faso
Mexico
also
among
producers
walnuts.
Almost
60%
shell
grown
Asia,
25.5%
South
North
America.
Europe
produces
14.4%,
Africa
3%
[1-3].
Based
on
results
previous
studies,
established
prospects
using
vibration
effects
processed
medium
during
drying,
ozone
dehumidification
agricultural
raw
materials,
we
developed
idea
combining
technologies
ozonation,
implemented
dryer
processing
ozone-air
mixture.
Язык: Английский