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jacyhenry
Age. 36
Gender. Male
Ethnicity. White
Location Maysville, GA
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Solar Energy Part II The Sterling Engine.
Friday. 6.13.08 12:48 am
watching: Watching? I am to smart for TV
listening to: Avril Lavigne Again.
mood: just here

Why am I listening to Avril Lavigne when I feel like writing a blog wierd

Ok now in Solar Power I I mentioned a generator that generate huge abouts of power. It would only be practical to power a city. Now how about somthing much smaller? Something that would be practical for a farm house. Or A larger model for a neighbor hood.

The device was invented many years ago. Reverend Dr. Robert Stirling patented it in 1816. The Sterling engine is a EXTERNAL COMBUSTION engine. External meaning that the source of heat comes from outside the engine. So heat is applied to a condensing coil of the engine causing the shaft to spin. Basically it converts heat into mechcanical or kinetic energy. The way it does it is by applying Boyles law about gases. Which states that the temperature and pressure are porpotionate to one another.

So a gas is put into the engine. As the gas is heated it expands. As it expands it moves a piston. The piston moves the crankshaft. Once the heated gas moves from the piston cylinder it moves to cooling coil, better known as the evaporator coil. Where it is cooled creating a vacuum on the other coil that is being heated. So the process is a chain reaction. Causing the engine to continually spin the shaft as long as there is heat being applied.

Enter the Solution to all our energy needs.


California Edison 25 kW dish/Stirling system. The 944 square foot concentrator consists of 82 spherically curved glass mirrors each 3 foot by 4 foot. The United Stirling 4-95 Mark II engine (4 cylinders of 95 cc displacement) uses hydrogen as the working pressure at a maximum gas pressure of 2900psi.. This engine delivered 25kW output at 1000W/m2 insolation. Fascinating. Image that sunlight as the heat source.

Imagine this being used at your home. A home can comfortably operate at 10KW. So a smaller dish could be used for your home. Small enough perhaps a rural home like mine could have it's own power station. Now it very possible to cascade these dishes to create more power. So imagine a co-op buying a field of these dishes and each member furnishes their battery bank. I think that is well within the realm of practicality.

Oh let me chase a rabbit. It's a good one. How about a solar water heater? Like a huge one for a neighborhood. and it could be equipped with gas or electric heat for the rainy dark days. Just a thought.

Of course it has issues at night and during thunder storms. You would definatly use a bank of batteries and a inverter system at these times. What is good though is a small solar panels or the Main dish could charge the batteries on sunny days

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2 Comments.


I had to do a report on solar power energy, and how it "helps" the economy.
» Brutaly on 2008-06-13 10:26:06

Meh.
I like the chimney turbines better; they're more imaginative. This seems kind of run of the mill...
» middaymoon on 2008-06-13 11:41:07

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