Generation of a parabolic trough collector efficiency. Solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted by the earth is approximately 1. Without tracking the collector becomes almost useless except for a very short time period once a day. Pdf in mexico, a local enterprise has developed a parabolic trough solar. Large collector fields supply the thermal energy, which is used to drive a steam turbine, which, on its part, drives the electric generator. Design and construction of a solar collector parabolic dish. Introduction solar thermal solar photovoltaic in cold climate large amount of low grade thermal energy is used. A wide variety of parabolic trough solar collector options are available to you, such as type, application, and pipe material.
Software soleec applied for parabolic trough solar. Compound parabolic solar collectors for process heat. Normally i am pretty skeptical of plans and guides for solar projects offered for sale over the internet. Energy equations for computation of parabolictrough. Easiest way to make a parabolic solar collector is bamboo basket. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. Absolicon sells robotic production lines that produce the worlds best concentrated solar collectors. Solar water heaters, such as the ap evacuated tube solar collectors by apricus that use evacuated tube technology, are able to reach a complete solar collector efficiency not just the absorber of nearly 70% based on aperture dimensions, and over 80% if you just consider the surface area of the black absorber. Modeling of a parabolic solarcollector system for water desalination. Design, construction, and test of a miniature parabolic. Design and fabrication of parabolic solar collector. Modeling of a parabolic solar collector system for water desalination. The global energy crisis is of great concern to us and we believe that a parabolic solar collector may be a possible immediate. Mechanical project pdf report download fabrication of solar dryer.
Parabolic trough collector cost update for the system. Solar tracking for a parabolic dish used in a solar. Pdf study of applications of parabolic trough solar collector. Solar tracking for a parabolic dish used in a solar thermal brayton cycle w. Study of applications of parabolic trough solar collector technology in mexican industry. To enhance the heat transfer in a parabolic trough solar collector by using znowater as nanofluid with different volumetric concentrations and flow rates, in free and forced convection system. Design support system for parabolic trough solar collector. Daggett, kramer junction, and harper lake 30year power purchase agreements with southern california edison hybrid plants 75% solar, 25% natural gas luz ls1, ls2, and ls3 parabolic trough collector technology. Absolicon produces the worlds best concentrated solar collector certified with solar keymark. Meyer department of mechanical and aeronautical engineering, university of pretoria abstract solar thermal brayton cycles utilise concentrated sun rays and can be used to power microturbine generators. Stitutes renewable energy for conventional energy in water heating. In the present work, we are interested to the simulation of outlet temperature of the heat transfer fluid htf in a parabolic trough solar collector. The solar tracking device keeps the ptc towards the sun direction all through the day for receiving the solar. In addition to the mathematical model design charts, material properties and standards from handbooks have been included in the database.
The condensed mass is then recirculated to the fields inlet while saturated steam is carried out to overheated section which basically is a similar solar field. Thermal energy generation from a solar collector parabolic dish. The solar field is modular in nature and is composed of many parallel rows of solar collectors aligned on a northsouth horizontal axis. The ls2 parabolic trough concentrator ptc tested at sandia national laboratory by dudley et al.
Pdf design and construction of a parabolic trough solar. Reduce emissions and carbon footprint from dairy by applying solar heat solutions in the manufacturing. Pdf analysis of solar water heater with parabolic dish. The principal product is the solar collector, but in order to increment the efficiency of the collector the enterprise has developed their own control devices. In this paper an experiment platform of a parabolic trough solar collector system ptcs was developed for thermal power generation, and the performance of the ptcs was experimentally investigated with synthetic oil as the circulate heat transfer fluid htf. The collector field consists of a large field of singleaxis tracking parabolic trough solar collectors. Thermal efficiency of solar parabolic trough collector. Parabolic trough solar collector how is parabolic trough. This article offers an illustrated description of a method to produce a closed parabolic trough solar energy collector box based on the elasticity of the material. Numerical modelling of a parabolic trough solar collector. The parabolic solar trough operates at about 75% efficiency, and at 495 square foot can collect approximately 270 kwh 10 hours on a clear day. Abstractthe parabolic dish solar collector technology is very useful as it is used for approximately all solar energy applications such as steam and power generation, water heating, air heating etc.
Pdf an overview on parabolic trough solar collectors. Parabolic solar collector ayush khare 1, sachin saxena, c h tyagi1 and sanjeev kumar1 corresponding author. View parabolic trough collector research papers on academia. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. What is described here is basically a manual method to make high efficiency solar collectors against very low cost, which is particularly suited for teaching, research or. Large scale concentrators today use automated tracking systems that can. Solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. The application of parabolic trough collector ptc technology is a clean and new way to produce industrial process heat. In this paper work the performance analysis of parabolic solar dish collector is done with the use of different reflecting materials. The study of the solar collector involves two essential sections. The first patent for solar collector is invented by mr. It is typically determined by testing a collector over a range of high temperatures.
Parabolic collector pdf a parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate. Developing solar thermal power technology in an effective manner is a great challenge in china. To determine the empirical correlation for both free and forced convection. Collector efficiency is defined as the ratio of energy collected by the working fluid to the direct normal solar radiation incident upon the collector aperture. The efficiency and cost of the parabolic trough collector designs is influenced by structural stiffness, choice of materials, assembly tolerances, mirror cleanliness and wear. Energy equations for the computation of parabolictrough collector efficiency using. Sensitive analysis for the efficiency of a parabolic.
Parabolic trough collector research papers academia. Heliostat field collector hfc point 1001500 1502000 twoaxes parabolic dish reflector pdr point 100 100500 tracking. Efficiency curves analysis of a parabolic trough solar. Performance analysis of parabolic solar dish collector for. Parabolic trough solar collector how is parabolic trough solar collector abbreviated. However, it is limited to a single or double factors for available system. Manual making of a parabolic solar collector gang xiao laboratoire j.
This line is called the focal axis of the parabolic collector. A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the opticalthermal efficiency. Thermal study of a parabolic trough collector springerlink. Parabolic trough collector cost update for the system advisor model sam parthiv kurup and craig s. The experimental evaluation of the efficiency of first law in a ptc as the solar angle of incidence changes around the noon is presented in this paper. Software soleec applied for parabolic trough solar collector designing 566 is partially evaporated, after that is transported toward a steam separator.
Thanks to this unique crosstechnology expertise, soltigua can deliver to its clients. Compound parabolic collector cpc can be effectively used for this purpose. Design of a parabolic trough solar collector using a. Each solar collector has a linear parabolicshaped reflector that focuses the suns direct beam radiation. The term solar collector commonly refers to a device for solar hot water heating, but may refer to. Parabolic trough collectors are a low cost implementation of concentrated solar power technology that focuses incident sunlight onto a tube filled with a heat transfer fluid. Solar collection type of solar collectors, photovoltaic. Abengoa solar 6 solar electric generating systems segs 9 plants, 14 to 80 mw, 354 mw total built between 1984 1990 3 sites. Concentration ratio is defined as the aperture area divided by the receiverabsorber area of the collector.
Auguste mouchout is the first person that use the parabolic trough technique to produce steam for steam engine in 1866. Abstract this paper presents the design of a parabolictrough solarcollector system for water desalination in gaza, collectoraperture and rimangle optimization together with the receiverdiameter selection are presented. Especificacion y caracteristicas tecnicas del colector cilindro parabolico. Solar thermal energy evaluation to generate electricity. Pdf study of applications of parabolic trough solar. The solar collector is a closed box composed of the following principal parts.
The metal structure, mirror elements, and absorber pipe together form a highprecision optic device. 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. Experimental investigation of molten salt in concentrated solar power system. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. But, georges plans for the tracking parabolic collector are an exception.
Qcoll is the energy collected per unit collector area per unit time fr is the collectors heat removal factor. Performance simulation comparison for parabolic trough. Solar radiation energy to internal energy of transport medium. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. Building integration of solar thermal systems tu1205 bists types of solar collectors motion collector type absorber type concentration ratio indicative temperature range c stationary flat plate collector fpc flat 1 3080 evacuated tube collector etc flat 1 50200.
To determine the optimum design and operation of the parabolic trough solar collector throughout the year, an accurate estimation of the daily performance is needed. Experimental investigation on a parabolic trough solar. The operating performance and optical efficiency of the parabolic trough solar collectors ptcs are different in different regions and different seasons. Abstract this paper presents the design of a parabolictrough solar collector system for water desalination in gaza, collector aperture and rimangle optimization together with the receiverdiameter selection are presented. The design and construction of a solar collector pdr prototype with.
This work presents the mechanical design of a circular trough solar collector with a. Solar tracking is also necessary for efficient use of concentrating collectors. There is, thus, a niche area for low cost solar collector technology, generating steam at moderate temperatures up to 2000c, particularly for use as iph. Parabolic trough systems are the most used concentrated solar power technology. Soltiguas parabolic collector ptmx and fresnel collector flt can be used to deliver solar heat across several innovative applications, such as solar steam. In the picture, 1 is the back plate, 2 is the end plate, 3 is the cover, 4 is the receiver the glass tube surrounding the receiver is only needed only for high temperature applications, 5 is the bearing, 6 is the end.