YouTube user Dylan Winter created the
DIY heater for his boat and office. He used tealights that cost £1
for a pack of 100 plus two basic ceramic pots. The process uses the
theory of convection heat transfer to warm a room. Tealights burn for
around four hours in the morning and afternoon. View the video below.
Rising energy bills are a political hot
topic at the moment but one YouTube user has devised a way of heating
a room for just 8p a day.
Journalist and boat owner Dylan Winter
created his DIY heater using tealights placed inside a bread tin and
covered with two ceramic flowerpots.
The system uses the scientific
principles of convection heat transfer and Winter claims it can heat
his home for around eight hours a day.
Winter, who posts to YouTube under the
username KeepTurningLeft, is a journalist and boat owner.
Winter bought tealights from Ikea that cost £1 for 100, a standard loaf tin, and two different-sized flowerpots.
The smaller flowerpot, when placed
upside down, needs to just cover the centre of the loaf tin, while
the larger flowerpot needs to sit comfortably over the smaller one.
In the video explaining how to build
the heater, Winter lights four of the candles and places them inside
the tin.
He places the smaller flowerpot upside
down on top of the tin and covers the hole in the pot with one of the
metal cases leftover from the tealights.
The larger flowerpot is then placed on
top of the smaller one, and its hole is left uncovered.
Winter explains that the heat from the candles warms the inside of the smaller flowerpot, which becomes an ‘inner core’ that gets ‘very hot.’
A ‘convection of air’ is then
created between the smaller and larger pots and this heated air comes
out the top of the homemade heater.
The system works because the candles
produce gases full of heated particles that are captured and
channelled through the pots.
These hot gas particles are lighter
than the gases in the air, meaning they rise up into the colder area.
This causes the cold air to fall into the warm areas and creates a convection current which transfers heat from the pots and through the hole in the top.
Winter said: ‘People have told me
that judicious positioning of flowerpots help to make the heating
more efficient. I did not believe it but it really does seem to work.
'You get a nice flow around the [pots]
and it warms the room up. You’d be amazed.’
KeepTurningLeft works for Practical
Boat Owner magazine and claims he uses the DIY heater on his boat.
Each tealight burns for around four
hours, and Dylan Winter uses four tealights in the morning, and four
in the afternoon to heat his rooms for eight hours a day.
HOW DOES THE DIY HEATER WORK?In the video, the tealights are put inside a bread loaf tin and covered with a small upside-down flowerpot.The hole in the top of the upside-down pot is covered with the metal casing leftover from one of the tealights.This pot is covered by a second, larger pot and the hole in the bigger flowerpot is left uncovered.The system works because the candles produce gases full of heated particles that are captured and channelled through the pots.These hot gas particles are lighter than the gases in the air, meaning they rise up into the colder area.This causes the cold air to fall into the warm areas and creates a convection current which transfers heat from one pot to another, and out of the hole on top.
Journalist and boat owner Dylan Winter,
pictured, created his DIY heater using tealights, a loaf tin and two
ceramic flowerpots. In the video, pictured, Winter places the
tealights inside the small tin before lighting them
Winter covers the tealights and tin
with a small upside-down flowerpot, pictured. The hole in the top of
the pot is covered with the metal casing leftover from one of the
tealights
The smaller pot is covered by a second,
larger one and the hole in the bigger flowerpot is left uncovered,
pictured. The system works because the candles produce gases full of
heated particles that are captured and channelled through the pots
In the video, the tealights are put
inside a bread loaf tin and covered with a small upside-down
flowerpot. The hole in the top of the upside-down pot is covered with
the metal casing leftover from one of the tealights. This pot is
covered by a second, larger pot and the hole in the bigger flowerpot
is left uncovered
(Source)
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