Quote:
Originally Posted by JanGeo
If there is no backpressure created then there is no energy captured - you need pressure to exert a force on the turbine blades to get it to produce energy output. Just having something spin at high speed with some hot gasses blowing on them will not produce any useful energy output - all you are doing is overcoming the bearing friction to spin the blades. Like a dremmel tool with lots of RPM but no torque - only good for light cutting and grinding.
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Ditto
Kinda like those guys that proposed putting micro wind turbines on the sides of busy roads... That would have reduced all of our fuel economy while inefficiently generating less net energy
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Time is the best teacher. Unfortunately it kills all its students.
Bike Miles (Begin Aug. 20 - '07): ~433.2 miles
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