Renewable Energies

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Renewable Energies

Postby Andrew » Fri Apr 17, 2009 4:44 am

A collection of info on current renewable energy technologies --> http://www.theukproject.com/Energy.html
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Re: Renewable Energies

Postby Veronica » Fri Apr 17, 2009 9:43 am

Yes. All good stuff.

Sort of. The problem with Wind Turbines (as such) is that:

1. They are an eyesore.

2. They throw out cancer-producing electro-magnetic radiation.

3. They produce environmental noise which dulls the senses and induces a hypnotic effect.

4. They create a visual hypnotic effect ... not least of which by their rotating blades & corresponding shadows.

However, I'm reliably informed, by a long-time American contact (and Engineer), that smaller devices - when correctly designed - do not suffer these drawbacks, and he is designing a system accordingly. (With the hope of selling it to - at the very least - the Lakota Nations)

Apart from that ... yes ... good stuff, Andrew. Particularly the Earth Tubes. I see this as the Freeman method of eliminating a thing called "The Electricity Bill", because the Heat Pump can be driven from Solar. (My eldest son powers his garden shed from Solar Panels obtained, as a kit, from Maplin, using an old car battery for storage + an Inverter bought from a site that kits out caravans. Yes, it works. He can generate 650 watts @ 240v AC for long enough to use the shed as a workbench)
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Re: Renewable Energies

Postby Andrew » Fri Apr 17, 2009 10:18 am

[quote="Veronica"]Yes. All good stuff.

Sort of. The problem with Wind Turbines (as such) is that:

1. They are an eyesore. [Not if it is a floating / anchored windfarm offshore]

2. They throw out cancer-producing electro-magnetic radiation. [Highly debateable, the earths core is one a huge electro magnet but it doesnt cause cancer]

3. They produce environmental noise which dulls the senses and induces a hypnotic effect. [Not if it is a floating / anchored windfarm offshore]

4. They create a visual hypnotic effect ... not least of which by their rotating blades & corresponding shadows. [Not if it is a floating / anchored windfarm offshore]

Image
Offshore Windfarms --> http://www.theukproject.com/resources/Offshore+Energy.pdf

For every problem there is a solution, weve just been programmed since birth to create laws that forbid the problem from occuring instead of finding a solution to the problem.
Last edited by Andrew on Sat Apr 18, 2009 4:52 am, edited 1 time in total.
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Re: Renewable Energies

Postby Wolf » Sat Apr 18, 2009 1:04 am

Andrew..absolutely !

Offshore wind turbines and wave energy would be perfect and cheap ! Thats why they have just shelved nearly all of it. lol

V. Small wind turbines are no good because the power follows a square law based on wind speed BUT exponentially with turbine blade size. So its all about the diameter. Open areas, hills and the sea. Payback time on the small B&Q turbine is about 300 years.
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Re: Renewable Energies

Postby markie b » Fri May 01, 2009 9:05 pm

also with floating wind turbines add a blade on the base and create extra energy from wave power and if they are floating have a piston set up on the anchor thats 3 forms of energy from 1 and could even go as far as alternating solar power the sea reflects the sun so its potential is amazing.
as for the b&q wind turbine im unaware but shall go and look now power vs price and have an alternative available for those who wish to get energy next to nothing ouch £3500 for a solar heater which is pretty much a pane of tinted glass with pipes underneath there are many ways of heating water with the sun but one of the best is using a reflective sheeting in a half of drain pipe and a pipe going thr0ough the centre.
if you want dirt cheap enrgy then its simple use a alternator they provide cars with enough electricity to run and also power the battery back its simply the basis of a wind/water turbine but joined up to the engine instead of having propellors attached
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Re: Renewable Energies

Postby Veronica » Fri May 01, 2009 9:20 pm

Andrew ... I really shudder when I see that picture. Sorry.

They are obviously eyesores wherever they are located.

If that's the future then "Beam me up, Scotty".

(BTW: 'Cancer causation' depends on frequency. There is EM radiation that does not cause cancer ... in fact is to seriously beneficial. It's called "heat" and "light", and possesses some very different overall characteristics vis.a.vis the rest of the EM spectrum. Light, for example, won't penetrate a very thin opaque material, whereas other EM will go straight through)

My friend, who has developed the 'friendly version', is actually an Engineer. I think he might just know what he's doing?

Also BTW: I read a paper ages ago which was a report on Wind Turbines in the UK. It pointed out that, if they don't work for these small islands, then they are less likely to work anywhere else. It came to the conclusion that they don't work here in anything remotely like the necessary quantity (in terms of power output). I have to say I have long ago lost the link.

Cold Fusion, Andrew. Cold Fusion.
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Re: Renewable Energies

Postby huntingross » Fri May 01, 2009 9:22 pm

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Re: Renewable Energies

Postby Veronica » Fri May 01, 2009 9:27 pm

Oh yes ... Cold Fusion + Ground tubes.
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Re: Renewable Energies

Postby Andrew » Sat May 02, 2009 2:14 am



Got [GSHP] Ground Source Heat Pump & [ASHP] Air Source Heat Pump Systems about half way down the page

HEAT PUMPS

The Technology

A heat pump extracts heat from the ground, air or water and transfers it to a heating distribution system such as underfloor heating or low temperature radiators. There are two main types of heat pump; ground source heat pumps and air source heat pumps.

Ground Source Heat Pumps

The ground is at a very constant temperature throughout the year, below a metre temperatures are usually between 7 and 13 degrees Celsius. This heat can be extracted using a heat pump which runs a mixture of water and glycol through loops buried in the ground.

For every unit of electricity used to pump the heat, 3-4 units of heat are produced.

Image

GSHP requires external space so your property will need a garden or other space adjacent to the building for the ground loops to be buried in. It is most suitable for properties with underfloor heating as the operating temperature is lower than in a conventional heating system so a larger radiant area is required. This often means that this technology is best suited to new build properties in which underfloor heating can be installed at the same time.

Air Source Heat Pumps

Air source heat pumps extract energy from the outside air and can produce up to four times the energy needed to power them. An ASHP system consists of a compressor, an evaporator coil and a heat exchanger.

A refrigerant liquid which circulates within the system has a boiling point as low as minus 40°C and evaporates when absorbing heat from the outside air. It is possible to extract considerable heat from the air at temperatures as low as minus 15°C.

The resulting refrigerant gas is then compressed, adding more heat energy and raising its temperature to around 75°C. This heat is then passed via the heat exchanger into water and used to provide space heating through low temperature radiators, or underfloor heating systems.

Image

There is no need for digging or boring with an air source heat pump. All that is required is sufficient space outside for the heat pump. The dimensions of this are 943mm high x950mm wide x 360mm deep.

as for Cold Fusion, until its 100% confirmed and is in general use it is still in the realms of science fiction, and before someone says "OMG WT|F it is real", it is the same reason i havent put Perpetual Motion or Zero Point Energy etc on the page, The UK Project is about "What we know works".
"A human being is a part of the Universe, limited only in time and space. He experiences himself and his thoughts as separated from the rest, like an optical delusion of his consciousness."
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Re: Renewable Energies

Postby huntingross » Sat May 02, 2009 10:33 am

Hi Andrew, agreed they are there, and I'm not dismissing them, but they are equipment dependant....which means installation costs and running costs and maintenance costs.

The beauty of the ground tubes, used mainly in North America / Canada, is they require a simple fan to drive the air flow or stack effect for no power consumption what so ever.
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