In this paper, a new solar-heated generation system with capacity of 10kW is designed. The system is based on solar-heated Rankine cycle. The CPC solar energy collector array is used as the main heat source, and the gas boiler as the assistant heat source. The heat storage facility provides heat for put-off 24 hours generating without sun’s radiation. The paper is focused on the analysis of fou...

A solar thermal collector is a heat that absorbs via sunlight. It device turns the energy in sunshine or radiation into useful and storable form. This conveyed electromagnetic with wavelengths ranging from infrared (long) to ultraviolet (short). Solar one of cleanest most versatile renewable sources when compared other sources. trough collectors (PTC), Compound Parabolic Collectors (CPC), Linea...

in this research a flat plate solar air collector was investigated under direct solar radiation consisted of a slatted glass cover, perforated absorber aluminum sheets (porosity 0.0177, 0.0314 and absorber thickness of 2.5 mm). the effect of porosity on absorber efficiency of collector was evaluated. six levels of air mass flow rates (0.0056 to 0.0385 kg m-2 s-1) were adopted.average solar ener...

Nine parabolic trough power plants located in the California Mojave Desert represent the only commercial development of large-scale solar power plants to date. Although all nine plants continue to operate today, no new solar power plants have been completed since 1990. Over the last several years, the parabolic trough industry has focused much of its efforts on international market opportunitie...

An evacuated tubular solar collector was fabricated from acrylics for improved resistance to shattering. A plasmatron was employed to apply a thin gas-barrier coating to the surfaces of the plastic tube to prevent/alleviate gas infiltration. Experiments were conducted to investigate the effect of vacuum level on the performance of the non-glass vacuum-tube solar collector. Inserted in the evacu...

Parabolic solar collectors with central receiving systems are preferred due to their high efficiency despite initial investment and operating costs. In this study, the effect of two glass covers on tubular collector will be investigated, aiming enhancement cylindrical parabolic collectors’ efficiency. By using cover it is aimed decrease losses increase order investigate changes instantaneous ef...