an advanced maturity of parabolic solar collector passive enhancement techniques

Renewable energy sources are seen as a viable alternative to traditional energy sources, which are quickly depleting and have negative environmental impacts from their excessive usage. free thermal energy for medium to high-temperature production comes from solar power, a renewable energy source. based on the effective solar power optical concentration, thermal or electrical energy may be extracted. sunlight thermal energy has been the focus of more and more research. the parabolic trough collector is a globally accessible, time-tested technique for generating thermal energy. the factors affecting the enhancement techniques are represented by a perfect absorber design made from the best conductive material with perfect coating properties, and high-reflection performance mirror properties. this paper outlined the most promising investigations that have been conducted on parabolic-trough collectors and enhancement techniques. the design of the fluid's heat transmission mechanism, the parabolic-trough collector (ptc), a reflector, a receiver, and thermal storage devices are all part of this. this article discusses parabolic trough collectors and the various uses they have. the ptc is now one of the most significant solar-powered heating applications available, widely used for both industrial and domestic applications under various operating conditions.