Dave
2022-12-28 16:00:51 UTC
Free energy from air moisture
Who doesn't like free energy in the winter- energy you don't need to pay
for? Anyway in Britain, it is often a bit chilly and wet, e.g. 10C,
with moist air, 90% RH, so it would be nice to condense this moisture
for free low grade heating.
So far have used a dehumidifier, which at about 200 Watts, generates
about 150ml an hour, meaning using the dehumidifier is about 150%
efficient (as long as I'm not deliberately evaporating).
https://www.engineeringtoolbox.com/water-properties-d_1573.html
say 2 400 000 x 0.15 = 360 000 J , getting 100W from the water at 3.6MJ
/kWh
It would be nice to reduce this 200W by 90%, so could use a battery
powered fan,and this stay a bit warmer when the weather is gloomy.
Remember this isn't for proper continental winters, when you'd have to
retreat to the citadel (a small well insulated room).
It is also noted that air pressure reduces over aerofoils, and there's
the venturi effect, so how easy is it to have a low energy dehumidifier
without a compressor, or something like calcium chloride? There is
beetle which gets its water by doing something like this, but I'm not so
much after the water (since it's foggy or wet in the London area six
months of the year).
https://www.science.org/content/article/could-desert-beetle-help-humans-harvest-water-thin-air
No need to worry about noise yet, there are always solutions.
Summary - with a good supercomputer model and a big fan, and some fancy
material should get a 400%+ efficient heater without anything outside,
and get a drier house. Traditionally fluid and aerodynamics like a
static state, but a chaotic solution may be best, e.g. eddies and pulses.
Who doesn't like free energy in the winter- energy you don't need to pay
for? Anyway in Britain, it is often a bit chilly and wet, e.g. 10C,
with moist air, 90% RH, so it would be nice to condense this moisture
for free low grade heating.
So far have used a dehumidifier, which at about 200 Watts, generates
about 150ml an hour, meaning using the dehumidifier is about 150%
efficient (as long as I'm not deliberately evaporating).
https://www.engineeringtoolbox.com/water-properties-d_1573.html
say 2 400 000 x 0.15 = 360 000 J , getting 100W from the water at 3.6MJ
/kWh
It would be nice to reduce this 200W by 90%, so could use a battery
powered fan,and this stay a bit warmer when the weather is gloomy.
Remember this isn't for proper continental winters, when you'd have to
retreat to the citadel (a small well insulated room).
It is also noted that air pressure reduces over aerofoils, and there's
the venturi effect, so how easy is it to have a low energy dehumidifier
without a compressor, or something like calcium chloride? There is
beetle which gets its water by doing something like this, but I'm not so
much after the water (since it's foggy or wet in the London area six
months of the year).
https://www.science.org/content/article/could-desert-beetle-help-humans-harvest-water-thin-air
No need to worry about noise yet, there are always solutions.
Summary - with a good supercomputer model and a big fan, and some fancy
material should get a 400%+ efficient heater without anything outside,
and get a drier house. Traditionally fluid and aerodynamics like a
static state, but a chaotic solution may be best, e.g. eddies and pulses.