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Dissipation of fog via an autonomous fleet of drones

Darko Savic
Darko Savic Jan 12, 2021



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General comments

Jurana month ago
Would the efficiency be higher if you used warm air instead of the "wind" from drone propellers?
For example, could the same goal be done more efficiently by a drone/helicopter-carried hollow pipe that blows warm air on multiple latitudes and creates a vertical hole in the thick fog layer? The air could be warmed by the flow-through preheated metal structure of the pipe.
Also, if the fog layer is close to the ground, the same could be done by a vehicle-carried pipe fan. In that case, heating would not be a problem.
Darko Savic
Darko Savica month ago
Juran Warm air would do the trick even without propellers and it would work from the ground. However, warming it up would require extreme energy expenditure. This was mentioned in this brainstorming session https://brainstorming.com/r/s38. A fossil fuel nightmare https://youtu.be/gAIjxaJ2_Ag worked. If it was done with electricity it would be even less efficient since the electricity has to first be produced only to be converted back into heat again.

By starting from above (with drones) using the sun-warmed air, the electricity requirement/efficiency is minimized as much as possible
Jurana month ago
Darko Savic Okay. I understand that extreme energy is required to heat the air or metal. The possible solution could be to make the giant metal hollow pipe fan that would be heated using the solar-powered induction by photovoltaic panels placed on top of the hill (as mentioned in your "Uphill tunnels used as chimneys" contribution).

Also, if you use the aluminium structure to "connect" the drone fleet, it can be preheated using the same methods. Or even the drone wings could be preheated. Not sure how much would it contribute, but generally, the energy to fill the batteries of the whole drone fleet is also not so insignificant (I guess).
Povilas S
Povilas Sa month ago
As I understand from the idea description the drones would fly freely and would only form a "drill" by synchronizing their moves? Wouldn't it be easier/better to instead make a lightweight structure to physically attach the drones to? You are talking about the aluminum frame for the prototype. Is that it? Also, how do you know if the movement of the drone propellers will be enough to dissipate the fog?
Darko Savic
Darko Savic2 months ago
For the prototype I'm going to use:
- custom welded aluminium frame
- 6 Hobbywing X9 motors
- the motors come in combo with 120A ESCs (electronic speed controllers)
- 33.9x11 inch (84 cm diameter) propellers
- Pixhawk Cube Orange flight controller runnig ardupilot
- RTK GPS module

I'm still looking into the type of sensors (sonar, radar) to prevent the drones crashing into eachother in the thick fog. Also I'm still looking into the right batteries.