When I was young, I used to get a lot of rather astounding scientific ideas to improve the efficiency of mankind, especially in the area of generating alternate energy (That doesn’t mean I restricted myself to that one field :)!). When people were looking at the sun, wind, tides and other such stuff (to accommodate the demands of growing energy needs and shrinking oil/natural gas reserves), I was intent in thinking out of the box – So much out of the box, that the box was never in sight!! 😛
A generator uses mechanical force of a moving (spinning) conductive object like a wire or bar within a magnetic field (which can be created by permanent magnets in small generators, or electromagnets in larger generators) to generate electricity.
Do you remember the dynamos we used in our cycles? Its actually a simple electrical generator. The dynamo (with a small wheel) is attached to the actual wheel of the cycle. When we pedal the cycle, the wheel of the dynamo rotates along with the actual wheel of the cycle and generates enough power to operate the front light. Actually, this is even used in motor bikes to power the head-lamp.
So, any rotating object could be used to generate electricity (in small amounts) this way. There are so many rotating objects rotating wastefully (without generating any energy), around us – Fans, Car/truck/bus Wheels come to our mind immediately. If we can attach a small generator with permanent magnets to these objects, and make a conductor rotate in the magnetic field – we might be able to generate some electricity.
Imagine how much electricity could be generated from these objects (as they keep rotating every day), in a month or in a year!
So, in a car for example, we could attach one small generator in each wheel, and we could connect them all to a battery which could be charged by the electricity generated by the moving wheels.
In our house, we could connect (light weight) generators to all fans and connect them all to a common (small) grid to store the electrical energy generated by them and perhaps use this energy to power the house, during power cuts, etc.
Of course, if either i. Electricity generated is negligible (or) ii. Cost of such generators/wiring is too high (or) iii. Weight of the generators is very high, this idea might not be practical. But I am not going to accept till someone proves any of the above points.
What do you think – Is this idea feasible? Again, back then I expected (another) Nobel prize for this idea 🙂