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Overunity Machines Forum



Heat Pump / Refrigeration. Can same overunity concept apply to Eletronics???

Started by larsth, January 18, 2008, 11:14:55 AM

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forest

Quote from: markdansie on June 27, 2013, 05:20:45 PM

Great explanation, yet so many do not understand this
Mark


"Ere many generations pass, our machinery will be driven by a power obtainable at any point of the universe.[/size] This idea is not novel. Men have been led to it long ago by instinct or reason; it has been expressed in many ways, and in many places, in the history of old and new. We find it in the delightful myth of [/size]Antheus[/font][/size], who derives power from the earth; we find it among the subtle speculations of one of your splendid mathematicians and in many hints and statements of thinkers of the present time. [/size]Throughout space there is energy. Is this energy static or kinetic! If static our hopes are in vain; if kinetic — and this we know it is, for certain — then it is a mere question of time when men will succeed in attaching their machinery to the very wheelwork of nature.[/size][/size]"Experiments With Alternate Currents Of High Potential And High Frequency" (February 1892)[/li]
[li]
[/size]

Johan_1955

When you take a Magnifying Transmitter from a Tesla or ... , out of the Earth's atmosphere, not working anymore!


When you take a Hubbart coil out of the Earth's (frequency) atmosphere, out of order.


When you let the Heat-Pump in his complete configuration, it will work, just build!


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A Heat-Pump is not only its mechanical device, the device "Heat-Pump "is only complete with the Cold and Hot available, and is working, but only if you want, grant or can see the overall view.


Best like explained by others before: CO2, Ammonia, Propaan or ...........


----------------------


Otherwise you also can say that a Stirling device is nothing, if you cut of the source's from cold and Hot?


Or a Solar panel, without a SUN!


Verschillende mensen zouden echt naar haar, in Zuid Afrika moeten verhuizen ;-((


Als je het licht niet wil zien, dan is het donker!


Hugz, XJ

RedEagle

Quote from: pix on June 27, 2013, 09:11:34 AM

To RedEagle,
I would say a better solution o convert heat into electricity by use of refrigerants is Organic Rankine Cycle.It is like a steam driven turbine- the difference is: water has to be heated to high temperatures  to create a steam with parameters suitable to drive turbine connected to generator.Refrigerant does the same but at much lower temeratures, waste process heat or even ambient heat could be used in this cycle.  It's like inverted refrigerator where compresor is replaced by expander.
Simply explaining- refrigerant has different pressure at different temperatures.If we heat liquid refrigerant by-for example solar panel to 70 deg C, it will have let's say 26 Bar pressure. Then if we put cooler into the lake water of 20 degC temperature, refrigerant will have let's say 8 bar pressure at that temperature. So, we have 18 bar pressure difference. If we put expander in between, then we will have a lot of power to drive generator. System is closed loop, heater, expander and condenser has to be properly calculated for refrigerant mass flow.Expander could be done from scroll, vane of screw compressors. A lot of such systems are already in use and gaining more attention.System will work as long, as there is temperature difference.
I am designing my expander, it will be something completly new.
Regards,
Pix
This has some interesting thoughts.
Though I'm talking about water in the presentation, the patent just mentions a luiqid medium. I think water will work and its easy to get, but it will have some probs like when its freezing outside. so other fluids may work way better and thus decrease starting time and size of the machine.
Anyway, if I get the prototype to work with water, then I'm sure it will also work with a refrigerant.

RedEagle

Quote from: Low-Q on June 27, 2013, 05:05:17 PM
Interesting document. The system with the recycled input energy you presented is much like one I have been thinking of, expect I want to use gerotary compression pumps. These pumps does not need a million RPM to compress the working fluid and its efficiency is high already at low RPM. The expansion walve is replaced by a gerotary turbine, but its capacity must be less than the compressor. This will create an imbalance in pressure which is what I want. A 5 to 1 compression will recycle 20% of the energy supplied to the compressoin pump.


A plausible way to not using energy at all to compress and expand the working fluid is something I am working on. If this idea works out the heat pump would have a COP of way more than traditional heat pumps - even a lot more than industrial heat pumps.


I will (some day) post the idea somewhere at this site so I can have some inputs on cons and pros.


Vidar

That sounds very interesting.
I thought about compressorturbine because it can compress a large amount of air compared to its size.
For my calculations I estimated 5 bar pressure, but since I recycle losses and therefore have preheated air the recycled energy of the expansion may be less than 20%.
Expansion from 5 bar compressed air will cool it down by 90°C whereas in the example in  the presentation I'm only expecting 10°C.
One yet unsolved problem will be around 0-10°C environment temperature since moisture will build up ice.
I think that could be solved by using a teflon coated expansion turbine.
Does not matter for the prototype though.

DaS Energy

Earlier work which may be of interest. Heat is energy. Hot high pressure refrigerant-CO2 is made cold by its giving up energy to get past the restriction point. A turbine is as effective in such as a plate with tiny hole. CO2 phase changes from ice to gas at -40*C . It has an enormous energy spike +30* to +100*C.