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This study was done on temperature elevation characteristics of solar absorber using experimental equipment. The Plasma Light System(PLS) lamp, having similar wavelength distribution with its of sunlight, was used for light energy source. Solar energy absorbers which need to have high efficiency of collecting sun energy, are generally thin and have small heat capacity. As surface temperature of solar energy absorber increases, solar energy absorbers emit the energy into infrared rays. For minimizing the effect on energy loss of solar energy absorber by conduction and circulation, experimental equipment was selected using different insulations. Some prepared absorbers was confirmed to be excellent mean to evaluate the temperature evaluation characteristics.
Surface-oxidized copper were prepared for solar energy absorber. The temperature elevation property of surface-oxidized copper absorber and production absorber on sale were examined. Temperature elevation characteristics of solar energy absorber was influenced by surface condition of solar energy absorber and low emissivity coating material. In the beginning of temperature elevation, the temperature rising rate was affected by the ability of collecting solar energy of solar energy absorber. As surface temperature of solar energy absorber increases, the properties of temperature variation were affected by absorption, emissivity and insulation properties of absorbers, specially emissivity property.
The temperature variation analysis of solar absorbers using experimental equipment was confirmed to be good method to evaluate and estimate their performance.

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UCI(KEPA) : I410-ECN-0101-2009-563-015296116