"dennis@home" wrote in message
...

I offer you the temperature at the bottom of the Antarctic ice sheet
which is more than a km vs. the temp at the top of the Antarctic ice
sheet. It must be colder at the bottom or the ice would melt under the
increased pressure. If heat conducted from the core had any significant
effect this could not be true.

Are you trying to being extra stupid or just plain ignorant, didn't you
know there were lakes under the Antartic ice sheet?
http://en.wikipedia.org/wiki/Lake_Vostok I quote "The average water
temperature is around ?3 °C (27 °F); it remains liquid below the normal
freezing point because of high pressure from the weight of the ice above
it. Geothermal heat from the Earth's interior warms the bottom of the
lake."


So why choose a lake in particular?
There isn't a lake everywhere under the Antarctic ice sheet and not at 1
km down as you keep on about.
Yet again you fail to understand the basics in your pursuit of the answer
you have already been given.

How much longer are you carrying on with this charade of ignorance in the
face of facts?


Because someone without an ounce of intelligence said there couldn't be ice
at the bottom of the Antarctic ice sheet when the rest of the world says
there is.

"The Natural Philosopher" wrote in message
...


The problem with geothermal is that as stated the heat flux is only about
0.1W per square meter. compared with a couple 40-200 W from
insolation.(UK)

so a typical 1-2KW average domestic usage represents about 10-20,000
square meters.of land area that you need to 'rob' of geothermal heat. sort
of football pitch sized.

That's a big football pitch some what larger than the 200 m2 that you were
telling me I needed a few posts ago.


But efficiencies are better, as you can get boiling water a couple of Km
down.

Oh do keep up at the back.. the rate of heat influx is the same ~0.1W m2 so
you may be able to extract boiling water for a short period but it won't
last long.
Why do you think there are no geothermal power stations drilled in the UK if
you only need to go down a mere 2km?

dennis@home wrote:


"The Natural Philosopher" wrote in message
...


The problem with geothermal is that as stated the heat flux is only
about 0.1W per square meter. compared with a couple 40-200 W from
insolation.(UK)

so a typical 1-2KW average domestic usage represents about 10-20,000
square meters.of land area that you need to 'rob' of geothermal heat.
sort of football pitch sized.

That's a big football pitch some what larger than the 200 m2 that you
were telling me I needed a few posts ago.


But efficiencies are better, as you can get boiling water a couple of
Km down.

Oh do keep up at the back.. the rate of heat influx is the same ~0.1W m2
so you may be able to extract boiling water for a short period but it
won't last long.
Why do you think there are no geothermal power stations drilled in the
UK if you only need to go down a mere 2km?


because it costs a lot to go down that deep.

Why do you think there *are* geothermal power stations elsewhere where
mines already exist that deep?

we could be using ours, if they werent mothballed for possible re-use.

"Fredxx" wrote in message
...


Because someone without an ounce of intelligence said there couldn't be
ice at the bottom of the Antarctic ice sheet when the rest of the world
says there is.

Who said that then?
You?

"The Natural Philosopher" wrote in message
...
dennis@home wrote:


"The Natural Philosopher" wrote in message
...


The problem with geothermal is that as stated the heat flux is only
about 0.1W per square meter. compared with a couple 40-200 W from
insolation.(UK)

so a typical 1-2KW average domestic usage represents about 10-20,000
square meters.of land area that you need to 'rob' of geothermal heat.
sort of football pitch sized.

That's a big football pitch some what larger than the 200 m2 that you
were telling me I needed a few posts ago.


But efficiencies are better, as you can get boiling water a couple of Km
down.

Oh do keep up at the back.. the rate of heat influx is the same ~0.1W m2
so you may be able to extract boiling water for a short period but it
won't last long.
Why do you think there are no geothermal power stations drilled in the UK
if you only need to go down a mere 2km?


because it costs a lot to go down that deep.

Why do you think there *are* geothermal power stations elsewhere where
mines already exist that deep?

Go on then where is one that uses an old mine to generate any reasonable
amount of power?


we could be using ours, if they werent mothballed for possible re-use.

And how would the fact they are mothballed have any effect on how much heat
could be extracted?