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Coanda effect drone study
3146
14
Statistics
5Â Geometries
14Â Meshes
7Â Simulation setups
15Â Results
5Â Geometries 14Â Meshes 7Â Simulation setups 15Â ResultsAbout this project
Using Coanda effect is not a standard in drone design. I will evaluate its capacity on a model with minimum elements count (should be about 3). However I have also a 'hidden agenda' linked to that study. This is related to ring shaped forms, created by rotating medium (this can be air or water dynamic structures). They resemble 'smoke rings', moving through the air with great stability. What is even more surprising is the fact, that air rings can be formed under water and dolphins do it and play with it for a long while (possibly few millions years). When observing air rings created with simple boxes with a hole, one can notice the great velocity of generated ring, getting progressively bigger due to Magnus effect. Rotating energy of the ring is preserved for a long time and is not lost in a wake. If it would be the case, ring would stop advancing after few centimetres. In order to simulate that result to at least a small extend, I need to use Coanda effect, allowing flow to follow the curve of the body. Body will be a ring shaped object, tested with external 'momentum source'. Momentum source is a simplification of 'propeller' , which directs flow against expected vector of displacement. Momentum source is present in a hole of the ring. Few tests concerning its size and way of redirecting the flow will be simulated.
