Ncolector solar parabolico pdf

Parabolic troughs, which are a type of linear concentrator, are the most mature csp technology with over 500 megawatts mw operating worldwide. Antecedentes paraguay tiene una economia fuerte y medianamente diversificada. Since the final objective of the system is very specific, the structure and solar tracking of the collector are also designed. The photons comprising the solar radiation can be converted directly to electricity in photovoltaic devices, or, in concentrating solar power csp. Request pdf parabolictrough solar collectors and their applications this paper presents an overview of the parabolictrough collectors that have been built and marketed during the past. Cocina solar parabolica funcionamiento, temperatura, tipos. In this case, a parabolic mirror concentrates incident solar irradiation onto a much smaller receiver area, greatly decreasing heat loss and maximizing the available energy from the sun. Design support system for parabolic trough solar collector. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. The parabolic solar collector parabolic trough fixed stand rotating trough foil tape focal line solar collector ayush khare 1, sachin saxena, c h tyagi1 and sanjeev kumar1 corresponding author. The solar collector is a closed box composed of the following principal parts. The earth is closest to the sun at a distance of about 1.

In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. Performance analysis of parabolic solar dish collector for. The parabola is commonly used as the curve for solar cookers because of its ability to reflect incoming light with an incoming angle of 90 degrees to a single focus point. Pdf an overview on parabolic trough solar collector. Parabolictrough solar collectors and their applications. The critical angle and percent efficiency of parabolic solar cookers ariel chen abstract. Parabolic trough collector ptc is special kind of heat exchanger that is able to transfer solar radiation energy to fluid medium that flow through it. Although the sun is 150 million kilometres away it is still extremely powerful. The global energy crisis is of great concern to us and we believe that a parabolic solar collector may be a possible immediate. The amount of energy it provides for the earth in one minute is large enough to meet the earths energy needs for one year. Numerical modelling of a parabolic trough solar collector. Design of a parabolic trough solar collector using a. In this paper work the performance analysis of parabolic solar dish collector is done with the use of different reflecting materials.

Soltigua is the only company offering solar tracking technologies for both pv trackers, and concentrated solar thermal collectors such as parabolic troughs and linear fresnel. The parabolic solar collector parabolic trough fixed stand rotating trough foil tape focal line solar collector gang xiao. In solar energy technologies the compound parabolic concentrator cpc is one of the most used devices due to its high concentration. Solar radiation arriving at the earths surface is a fairly dispersed energy source. Thanks to this unique crosstechnology expertise, soltigua can deliver to its clients. Design, construction, and test of a miniature parabolic. Optical design of a solar parabolic concentrating collector. Thermal and optical losses are analyzed, and a global output is provided. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. In many instances it is desirable to deliver energy at higher temperatures than those possible with flat plate solar collectors. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly.