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Tesla Turbine & Solar | 9 comments (9 topical, editorial)

Re: Tesla Turbine & Solar (3.00 / 0) (#9)
by nwilke on Wed May 31st, 2006 at 09:44:47 AM MST
(User Info)

tesla turbines are definately sweet. you can get low rpm and high torque by using larger disk diameters. tesla used 60 inch disks to produce 675 hp (503 kw). AS THE HORSEPOWER DOUBLES, THE TORQUE QUADRUPLES!
proper inlet nozzle design and adequate steam pressure can help achieve supersonic inlet speeds. the nozzle should be shaped like <> (with the inlet on the left). the expanding section will decrease pressure/temperature. the contracting section will funnel the steam to maximize pressure/speed.
i like parabolic dishes better than troughs because they produce higher temperatures. they are a little more difficult to manufacture, and they require a 2 axis mount/tracking system (troughs only NEED one, but benefit 10% more power with a 2 axis system). i'll make the dishes with a concrete mold and fiberglass pour. i'll line them with tiny mirrors (to get smaller focus = higher temp = higher efficiency) or i can use long mylar triangles. i'll heat a thick thermal fluid with a high vaporization temperature, and then pump it to a concrete/stone/insulation thermal reservoir. the high vaporization temperature of the thermal fluid means a) it retains heat better b) i don't need a high-pressure reservoir. i'll use a heat exchanger on the thermal reservoir to vaporize water and turn large-diameter tesla turbines. i'll probably make my own generators if i can't find some suited to the rpm of the turbines (helps efficiency if the two are well-matched). stirling engines will produce power from heat recovery.

trying to find some business loans......trying to decentralize the grid......
------------------------------------------------------------------------------------------------- sell 30kw to the grid for a year and make >$10,000

Tesla Turbine & Solar | 9 comments (9 topical, 0 editorial)

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