renewable energy system
renewable energy system
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renewable energy system Frequently Asked Questions
Renewable energy ideal - wind turbine on wheels to capture hurricane power?
Is it possible to get a giant mobile wind turbine on wheels that can be placed in hurricanes in order to collect large amounts of energy?
For example, how about a very rugged turbine(like propeller you would use for planes going 500 MPH) and a energy storage device that converts aluminum oxide to aluminum(high energy potential material/released energy = thermite reaction) for example. With hydrogen, you waste energy compressing... so preferrably some energy conversion system that gives solids or liquids. Then just pump the fuel to anywhere and convert it to electricity.
YEAH???
Of course lock the machine down once on location. Plus I think it can be built cheap, if used from already made parts that are very heavy duty and rugged... maximum efficiency doesnt matter as much as number of really really cheap mechanical turbine machines...
dream crushing is good with me as long as it is constructive. But why can airplane propellers be rotated at 400 mph + without exploding.
it sounds like it would make sense to an amateur, but to anyone who has done ANY work with turbines it is ludicrous...
The sheer amount of heat produced in the bearings could cause them to explode, even assuming that one could find and purchase bearings that would be able to achieve the tip speed generated at 500mph....
most turbines operate at 7-35mph for a reason: physics. The turbine described above would require materials for the prop no less than carbon nano tubes, extremely expensive bearings, and a cooling system for the windings and stators that would require more energy than the turbine would produce, assuming that the heat didn't eventually melt the magnet wire and cause the magnets to explode....
I think that you should look into the maglev turbine...it is larger than a water-tower, resembles a hot air balloon, and generates over 1 Gwh at nominal wind speeds, and on top of that, it is a VAWT which is fascinating in itself as a rare alternative to the HAWT.
nice attempt, but technical details tend to crush dreams more often than not....
UPDATE...
maximum efficiency isn't the issue here, operating functionality is. The materials are simply not abundant enough to have any pure research backing it...
turbine blades on HAWTs (and especially VAWTs) are extremely different from airplane propellers...the curvature and pitch in a well-built VAWT blade must be light weight, and create an extreme amount of drag, and do so even more at higher speeds as they undergo "ballooning" which is a torsion and expansion of the blades at the tip along with the pitch of the axis to create the maximum amount of DRAG. Airplane propellers are designed to be extremely aerodynamic, and provide as much LIFT as possible. If turbines did this then they would be ripped off of their mounts by the wind almost constantly. Also, if you have ever stood next to a huge wind turbine you'd notice the extemely loud "WHOOM, WHOOM, WHOOM" sound that the blades make. This is cause by the drag that they produce and actually create so much turbulence that birds can be knocked out of the sky, or another turbine too near downwind of it can be ripped apart. This occurs usually at less than 400RPM...airplane propellers moving at this rate are nearly silent due to their lack of drag, and have an operating speed of well over 10,000 RPM.
What would need to be done to make this even approach feasibility is to drop the entire idea of prop blades, and move to a design more closely relating a jet engine, butt he issues of heat and friction would still be in place, along with reduced efficiency due to the drag vs lift issue again...you need to look in uncommon places for uncommon solutions...
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