Teoretical engineering

Footprint in water

The submarine's propeller traverses a huge mass of water, increasing its kinetic energy. This increases the temperature of the water. Over time, this mass of water rises to the ocean surface and changes the surface vibrations, temperature, and reflectivity at certain radio frequencies. Neural network algorithms can be used to analyze the differences in water surface vibrations. But this will require very high system performance. To detect the temperature difference, sensitive sensors are needed and again neural systems for analysis. Making use of the difference in reflectance is likely to be even more difficult. 

However, submarine wake analyzers exist and are used. How can you prevent them?  

The flow of water from the propeller of the boat can be divided into many separate small flows and directed in a horizontal plane to the sides from the axis of symmetry at small angles. Small streams of water may simply not have enough energy to come to the surface. And the water in small streams will cool down and dissipate faster. 

Footprint in water

 

 

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