| 1 |
could cave man make a fridge?
|
1 |
could cave man make a fridge?
|
| 2 |
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2 |
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| 3 |
yes..
|
3 |
yes..
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| 4 |
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|
4 |
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| 5 |
using bamboo..
|
5 |
using bamboo..
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| 6 |
and a wind vortex cooler
|
6 |
and a wind vortex cooler
|
| 7 |
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|
7 |
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|
| 8 |
vortex tube or Ranque-Hilsch vortex tube
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8 |
vortex tube or Ranque-Hilsch vortex tube
|
| 9 |
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|
9 |
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| 10 |
instead
of
using
air
by
using
water
to
power
it
it
will
solve
the
pressure
need
as
rivers
are
abundant.
.
and
water
has
a
better
heat
capacity
and
thermal
conductivity.
.
even
so
it
will
only
drop
temps
of
the
water
by
about
25°C
wich
is
better
then
an
optimal
15c
for
wind.
.
combine
this
with
evaporative
cooling
.
.
a
deep
pit
with
a
clay
pot
that
evaporates
water
to
wind
currents
and
you
can
get
your
food
to
almost
frozen
overnight
|
10 |
instead
of
using
air.
.
water
is
used
to
power
it.
.
this
will
solve
the
pressure
need
as
rivers
are
abundant.
.
and
water
has
a
better
heat
capacity
and
thermal
conductivity.
.
even
so
it
will
only
drop
temps
of
the
water
by
about
25°C
wich
is
better
then
an
optimal
15c
for
wind.
.
combine
this
with
evaporative
cooling
.
.
a
deep
pit
with
a
clay
pot
that
evaporates
water
to
wind
currents
and
you
can
get
your
food
to
almost
frozen
overnight
|
| 11 |
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|
11 |
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|
| 12 |
tally...
|
12 |
tally...
|
| 13 |
\n
|
13 |
\n
|
| 14 |
clay pot
|
14 |
clay pot
|
| 15 |
bamboo
|
15 |
bamboo
|
| 16 |
river
|
16 |
river
|
| 17 |
master crafting in wood working
|
17 |
master crafting in wood working
|
| 18 |
master crafting in clay pot making
|
18 |
master crafting in clay pot making
|
| 19 |
\n
|
19 |
\n
|
| 20 |
estimated cooling -20-30C
|
20 |
estimated cooling -20-30C
|
| 21 |
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|
21 |
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|
| 22 |
the water wicks up the pot so the inner water level is low.. a glazed in ash inner pot can keep food dry
|
22 |
the water wicks up the pot so the inner water level is low.. a glazed in ash inner pot can keep food dry
|
| 23 |
if you use a fire to draw air past the evaporator cooler you could maybe get near freezing
|
23 |
if you use a fire to draw air past the evaporator cooler you could maybe get near freezing
|
could cave man make a fridge?