Tuesday, January 14, 2014

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Nanoparticles cause water vapor without boiling direct led allocate new Nanotechnology can reduce the energy required for many industrial processes and significantly reduce the cost of solar thermal energy. Scientists made the water to generate steam without boiling process.
As is known, the generation of steam requires a significant amount of energy to bring water or other liquid to the boil. At Rice University, seems to have overcome this problem. There have chosen to use light-absorbing nanoparticles suspended in the water that cause the water molecules surrounding the nanoparticles turn into steam. The water is heated slightly. The experiment, which looks more like a trick, can dramatically reduce the cost of many industrial processes associated with evaporation. The researchers used a Fresnel lens to focus sunlight on a small tube with water containing high concentrations of nanoparticles. Water that has been cooled to the freezing point, began to generate steam for 5-20 seconds, depending on the type of nanoparticles. Changes in temperature, direct led pressure and weight showed that 82 percent of sunlight absorb the misuse nanoparticles went directly to generate steam, and the remaining 18 percent were aimed at heating water. The use of nanoparticles to increase the heat transfer to water and other fluids like has been well studied, but in this case, the researchers treated nanoparticles direct led from the viewpoint of light absorption and the generation of steam. New technology can, for example, will produce cheap and compact devices for water purification, direct led sterilization of medical instruments and wastewater treatment in developing direct led countries with limited resources and infrastructure.
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