Improved Nanofluids Developed for Solar Power Plants
This is the configuration of a solar power plant.
Credit: Andrey Yasinskiy
“We’ve established that after titanium nanoparticles are added to the heat transfer fluid, its properties radically change. With the increase of temperature the heat transfer coefficient of the base fluid and titanium dioxide particles reduced, but after the nanofluid was prepared, the values started increasing,” says Andrey Yasinskiy, a co-author of the work, senior lecturer at the department of non-ferrous metallurgy of the School of Non-ferrous Metals and Materials Science, SFU.
In the course of their work the scientists used optical spectroscopy to determine physical stability of the nanofluid and dynamic light scattering method to calculate the size of nanoparticles. To evaluate the efficiency of the liquid, the researchers made different measurements three times a day for 30 days. In particular, they checked for the aggregation of particles, i.e. their agglutination leading to precipitation. When particles in a nanofluid precipitate, the effect from the admixtures reduces.
“The nanoliquid we’ve developed will help generate electrical energy in a more effective way. Naturally, we plan to implement it into industry-specific processes, but the whole work was performed with the use of the equipment provided by our Spanish colleagues, so further development of the study will depend on them. I can’t but mention the contribution of professor Javier Navas of the University of Cadiz. The idea of the study was his,” added the researcher.
Contacts and sources:
Yaroslava Zhigalova
Source: http://www.ineffableisland.com/2018/01/improved-nanofluids-developed-for-solar.html
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