Sunday, June 02, 2013

Microwindmills Attached to Moving Objects

Watching the wind blow through the window fan, noting how the wind moved the window-fan. Long ago I had noticed how much wind-force pushes against your hand if you stick your hand out the window of a fast moving car. I got an idea:

Micro-windmills attached to moving objects could in certain circumstances be a superior source for the production of instaneously used or stored energy.

There can be trade-offs. For example, energy produced bu a micro-windmill attached to a train, would increase the amount of energy needed to get the train to its destination.

Yet sometimes there is no trade-off, in that the amount of energy required to move the object and the windmill attached to it, is not significantly different from the amount of energy required to move the object. Examples:  bicyclist cruising down a hill without pedaling; car going downhill with foot off accelerator; bird flying; sailboat sailing.

In the case of the bird flying, the bird would probably require a little extra grain to feed on to compensate for the attached micro-windmill. Yet such could be an effective method for transforming birdfeed into energy.

In the case of the car on the road, the windmill could be retracted when not on a prolonged downhill path. The weight of the windmill in the car might then be more than compensated for by the energy generated by the windmill on the downhill.

The car's electrical generation system might be powered by moving parts so as to be active when the car is moving, even though the gas pedal is not depressed so as to impart power to the vehicle. Or its power might be activated when the gas pedal is pushed. Or both could be the case.

In the case of the movement-activated electrical generation system,

The attached Micro-windmills would coexist with not replace or interfere with the movement-activated or gasoline-activated electrical generation system during the long downhills.

Micro-windmills might be useful when fuels are scarce and energy production technologies on-hand are missing or dysfunctional.

To consume energy as soon as it is produced is more efficient compared to producing the energy, storing it, and then using it. Conceivably in certain circumstances, Micro-windmills could replace the consumption of stored energy with the instantaneous consumption of produced energy.

@2013 David Virgil Hobbs

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