Nano-droplets have been found to be a viable solution for cooling high-temperature materials. In a new study, researchers from the University of Stuttgart have demonstrated that nano-droplet cooling can reduce the temperature of hot surfaces to a fraction of their initial value. The researchers showed that nano-droplets can be sprayed onto hot surfaces, evaporating rapidly and cooling the surface quickly and effectively. This could open up new possibilities for cooling high-temperature materials, such as heat-resistant alloys and aerospace materials.

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source: Phys.org