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Wind farms could work on Mars

27.12.2022

NASA scientists have found that there may be enough wind on Mars to use wind turbines as energy sources.

In order to simulate conditions on the Red Planet, the researchers adapted a climate model originally developed to study the climate on Earth. Factors such as the amount of solar radiation, dust content in the atmosphere and geographical relief were taken into account, which made it possible to determine the wind speed in different parts of the planet's surface.

It turned out that in many regions of Mars strong enough winds blow to contribute to the generation of wind energy, and in some regions the wind strength is sufficient to be the only source of energy. These include crater rims and volcanic highlands, as well as places with ice formations where wind can generate more electricity than solar panels.

As the authors write, wind energy compensates for the daily and seasonal decline in solar energy, especially in regions of scientific interest, in mid-latitudes and during local dust storms. The turbines will stabilize solar power generation, thereby increasing the percentage of time power exceeds mission design requirements to 60 to 90 percent of a large portion of the Martian surface.

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Preservation of the properties of transparent electrodes when heated 07.12.2020

A heat treatment method that avoids the deterioration of the electrical properties of a transparent electrode made of indium tin oxide has been found by an international group of researchers.

In the practical application of transparent electrodes in electronics, the heat treatment of the material occurs at temperatures of about 400°C. Scientists were looking for processing methods that would maximize the preservation of the electrical and optical properties of the material.

The researchers subjected tin-doped indium oxide (ITO) to treatment at temperatures in the range of 200-400°C under various annealing atmospheres - oxygen, nitrogen and carbon dioxide. After processing, the structural, optical and electrical properties of the conductor were evaluated.

Samples treated with both oxygen and nitrogen show deterioration in the structural, optical, and conductive properties of ITO, while the carbon dioxide atmosphere prevents ITO decomposition at 400°C.

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