Eco Village Taiwan, Siting Buildings & Passive Solar
Channel: InterConnected
Date: 2019-01-08

First meeting, staff & volunteers, discussing basic siting ideas for an Eco Village concept in Taiwan.
Focus is to give an idea of how time of year, and day, affect the amount of sunlight entering a given building, and how shades, planting, and roof overhangs can help.

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Transcription
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okay so this is a quick recording
00:09
briefly going over the points we told
00:12
at the staff meeting last week too
00:15
Thursday at the Harbor four-person eco
00:19
home so an idea for the eco village that
00:26
is being discussed at the moment this is
00:28
just an example building could be any
00:30
shape we don't know what that would be
00:32
like until the project happens and we
00:34
see the site and would design the
00:37
building for the site there but to give
00:39
us an idea of how sunlight at different
00:42
times of the day affects the amount of
00:45
heat that's in the building so this is
00:48
with the blinds here the cable awnings
00:51
closed retracted and I've taken away the
00:56
bamboo and the trees so that we can just
00:59
see what happens with the Sun in the
01:01
building so quite a lot of light coming
01:04
in here between 7:00 a.m. about 10 a.m.
01:10
if we add the bamboo back in got bamboo
01:14
to the north for winter winds from the
01:18
north mitigating cold wind wind from the
01:20
north and bamboo to the east here to
01:23
mitigate strong typhoon strength winds
01:25
bamboo trees any kind of high vegetation
01:29
like tree or bamboo type plants will
01:32
help with the wind speed a lot so this
01:36
again is around 7 a.m. we didn't see
01:40
back inside the building that got quite
01:43
a lot more shade now from the bamboo and
01:46
then we open up the shades here and
01:50
we've got nearly everything shaded
01:52
there's sunlight getting in but still be
01:56
able to see out from the windows then we
02:01
move around to say midday twelve o'clock
02:08
and outside you can see midday in Taiwan
02:11
this is around September time let's go
02:14
back to January so there's not a lot of
02:17
light at midday getting into the
02:19
building any time of the year when you
02:24
have cable awnings some kind of roof
02:27
overhang
02:28
Kayle awnings like this you can see
02:31
there is some getting in now if we go
02:33
and have a look at the inside view it's
02:38
a different story depending on the time
02:40
of year so let's have a look around
02:45
let's take it back to January and then
02:49
back to about seven o'clock in the
02:50
morning you can see we get a lot more
02:52
light into the building because the Sun
02:54
is lower in the winter the angle is
02:57
lower and get a lot of light throughout
03:01
the day that will be the same on the
03:03
other side of the building as well so in
03:06
the afternoon as we go past midday will
03:16
then get a lot of light inside the
03:18
building towards 6:00 p.m. here so
03:20
that's good in the winter we might want
03:23
some some heat inside the building
03:26
towards towards December time and that
03:32
just shows us what happens to the
03:34
shadows on the outside so there are no
03:36
roof overhangs on this model version to
03:40
the next iteration I will be adding the
03:43
roof overhangs so that we can see what
03:45
happens when we have some roof overhang
03:47
as well obviously will be good for
03:49
shading you can see where the light goes
03:52
now with no roof overhang part of the
03:56
problem that we get though let's take
03:58
this back to mid day tywin in the summer
04:02
let's go June you're not going to be
04:04
getting much light into the building
04:08
around June or July middle of summer
04:11
around midday or anytime of the day
04:14
morning noon evening but the ground out
04:20
here will get really really hot
04:23
especially if it's black decking or
04:26
concrete that heat then if you open the
04:30
windows here will obviously have an
04:32
effect on the interior temperatures of
04:34
the building so
04:36
windows closed in the summer is probably
04:40
a good idea we will talk about in one of
04:44
the next short five or 10 minute