Speaker
Description
The amount of fresh water on the planet is decreasing, however, in the atmosphere that amount is approximately 1.4 x 10^19 liters, which makes the atmosphere an almost inexhaustible source. This project, uses the dew point temperature to condense water on different nanostructured surfaces and configurations, to increase the condensation area. The study was developed using a Peltier cell, which had a water-cooling system and was supplied with energy through a voltage source. The temperature of the cold face was measured with a type J thermocouple. The entire system was controlled with ARDUINO, to ensure a constant temperature close to the dew temperature of the cold face in real-time. The materials used were copper and porous copper (50 m pore size), porous carbon, deposited by the magnetron sputtering technique, and aluminum and porous aluminum. The results indicate that the amount of condensed water is a function s of the temperature and humidity values of the environment. Contact angle values of said surfaces are also shown. Moreover, there was a variation in water condensation between pristine materials and those that are porous. Regarding the contact angle, there were minor variations between one material and another.
This work was supported by
PAPIIT-IG101123 project
Reference
Ankit Nagar, et al., ACS Nano 2020 14 (6), 6420-6435
| Keywords | water condensation, nanostructured surfaces, Cu surfaces, Al surfaces |
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| Author approval | I confirm |
| Author will attend | I confirm |
