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Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC

From Sylvia Else <sylvia@not.at.this.address>
Newsgroups sci.physics
Subject Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC
Date 2016-12-26 23:16 +1100
Message-ID <eccg0bF11haU1@mid.individual.net> (permalink)
References <1b9f170e-5cbd-4ee0-82d6-dd2a76a2be60@googlegroups.com> <ecbcpoFnug2U1@mid.individual.net> <f063e4a1-f59d-4386-8be7-c49d096b06a7@googlegroups.com>

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On 26/12/2016 7:02 PM, grahamcooper7@gmail.com wrote:
> On Sunday, December 25, 2016 at 6:15:24 PM UTC-8, Sylvia Else wrote:
>> On 26/12/2016 12:47 PM, grahamcooper7@gmail.com wrote:
>>> Water has a very high thermal capacity!
>>>
>>> 4.2 joules per degree per gram
>>>
>>>
>>>
>>>
>>> Moving Hot Water across a large body of water is energy cheap!
>>>
>>> ==Tap |~~~~~~~~~~~~~~~~~~~~~~~| |_______________________|===Tap
>>> <-----------X--------->
>>>
>>> The mass of water moved doesn't matter, the entire body will
>>> self-organize into a lower equilibrium state, whether the Canal is 1
>>> meter long or 10 kilometers long!
>>>
>>>
>>>
>>>
>>> Pumping cooled water over a break in the Canal back into the Circuit
>>> is energy cheap!  You only need to pump a megaton of water 1 inch
>>> high over the Lip!
>>>
>>>
>>>
>>>
>>>
>>> Sterling Engines convert Heat to Motion, and Generators convert
>>> Motion to Electricity!
>>>
>>> Sterling Engines are simple and EFFICIENT!
>>>
>>>
>>> TEMP DIFFERENCE ___________________
>>>
>>> AVG. TEMP KELVIN
>>>
>>>
>>>
>>> Or roughly 60/300 = 20% OF HEAT CONVERTED TO MOTION
>>>
>>>
>>>
>>>
>>>
>>>
>>> Transferring HEAT from the HOT WATER BODY into the STERLINE ENGINE is
>>> easy!
>>>
>>> HOT STREAM >> HEAT SINK FINS >> COOL WATER >> PUMP
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>> __________________________________________|__________
>>>
>>>
>>>
>>>
>>>
>>>
>>> Cooling the STERLINE ENGINE is easy!   It has 1 COLD PISTON TOO!
>>> Evaporation Water Tanks or MISTING FANS are IDEAL!
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> POWER STATION RUNS 24/7 FROM SOLAR!
>>>
>>> So what are you waiting for?  GET THOSE STERLINE ENGINES RUNNING ON
>>> BOILING AND ICY WATER!  DIG THOSE TRENCHES AND LINE THEM WITH
>>> PLASTIC!  THE FREE ENERGEY WORLD IS HERE!
>>>
>>
>> This is no more free than any other source. Even coal in the ground is
>> free. The costs relate to making use of one's energy source. Trenches
>> cost money to dig. Stirling engines cost money to make and maintain.
>> Until you have credible costings, you aren't offering anything.
>>
>> Sylvia.
>
> Hi Sylvia!
>
> The Costs are simple!
>
> Massive Solar Array is 10X cost of Coal Power in the first 5 years.
>
> A sheet of plastic 1m2 is 1/10,000 the cost of a solar panel!

But how much electricity to you get out of it?
>
> the beauty is....  24 HOURS OPERATION... the water temp drops only 10 degrees overnite!
>
> NO BATTERY REQUIRED!

>
>
>
>
> During Extended cloud cover use up Hydrogen Stores by Electrolysis of Water from the Sterling Generator.

So you need a way to store hydrogen in large quantities. Compressing it 
wastes energy, but storing it at atmospheric pressure raises other cost 
issues.

How will you recover the energy from the hydrogen later? Burning it and 
using the heat to run the sterling generator is one way, but it also 
wastes energy. Fuel cells are better, but they represent an additional cost.

It's an interesting idea, but so far it's just hand-waving.

You need to do the math - how do the economics actually work out?

Sylvia.

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Thread

*FREE POWER FROM THE SUN*  ~~~~~~~~~~~~ perspex covered Lake at 75 oC grahamcooper7@gmail.com - 2016-12-25 17:47 -0800
  Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC Sylvia Else <sylvia@not.at.this.address> - 2016-12-26 13:15 +1100
    Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC grahamcooper7@gmail.com - 2016-12-26 00:02 -0800
      Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC Sylvia Else <sylvia@not.at.this.address> - 2016-12-26 23:16 +1100
        Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC benj <benj@nobody.net> - 2016-12-26 16:47 -0500
        Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC grahamcooper7@gmail.com - 2016-12-26 15:30 -0800
          Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC Sylvia Else <sylvia@not.at.this.address> - 2016-12-27 11:58 +1100
            Re: *FREE POWER FROM THE SUN* ~~~~~~~~~~~~ perspex covered Lake at 75 oC grahamcooper7@gmail.com - 2016-12-26 18:30 -0800

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