Zarza encyclopedia of life support systems eolss the concentration ratio of a ptc is the ratio between the collector aperture area and the total area of. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. How do solar parabolic dishes work solar power world. Pdf design analysis of solar parabolic trough thermal collectors. Patented new technology to make a parabolic solar tough better, less expensive and more accurate. The incident solar radiation falling on the collector is utilized for pipe heating. Each sca is an independently tracking parabolic trough solar collector made up of parabolic reflectors mirrors, the metal support structure, the receiver tubes, and the tracking system that includes the drive, sensors, and controls. A parabolic trough solar power plant simulation model. Design and construction of a solar collector parabolic dish. Pdf solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. Zarza encyclopedia of life support systems eolss the concentration ratio of a ptc is the ratio between the collector aperture area and the total area of the absorber tube.
A parabolic solar water heater concept is used to design the collector and hence experimental analysis is carried out to investigate whether the designed collector is able to supply require heat input to the absorber to raise the temperature of water at expected level. An attempt is made in this project to develop a parabolic trough collector for water heating more effectively as compared to the flat plate collector. Large collector fields supply the thermal energy, which is used to drive a steam turbine, which, on its part, drives the electric generator. The theoretic design principle of a closed parabolic trough box can be found in 1. If the design is successful, the parabolic solar collector device can be marketed to the millions of household owners. The parabolic trough reflector is a solar energy collector designed to. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate. Table 1 cost of subsidiary requirements requirement cost incurred safe. Parabolic trough solar collector design, construction and.
Design, construction and testing of a parabolic solar steam generator joshua folaranmi 120 parabolic dish. The basic component of the solar field is the solar collector assembly sca. Parabolic trough collectors ptc are frequently used for steam generation. Manual making of a parabolic solar collector, gang xiao, laboratoire j. Lowcost concentrating solar collector for steam generation.
The goal of this project is to design, build, model, and test a concentrating solar collector. This paper discusses detailed drawing and dimensions of ptc which is useful to researchers. Solar radiation, solar collector and thermal storage topics are the subtasks, and following progresses have been made during the period. Design the initial plan for a solar concentrator was to use a semispherical surface covered with many small sections of mirror to form a. Design parameters of the solar parabolic dish concentrator parameters values unit parameters values unit concentrator aperture diameter 3. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. Design, construction and testing of a parabolic solar. Qcoll is the energy collected per unit collector area per unit time fr is the collectors heat removal factor. Parabolic trough solar systems are currently one of the. Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. Pdf design analysis of solar parabolic trough thermal. The model performs a timestep performance simulation based on plant design and a usersupplied operating strategy. Each design whether a basic blackened flat panel collector or a more advanced evacuated tube collector all have their own advantages and disadvantages. Request pdf parabolic trough solar collector design, construction and testing this paper presents the design, construction and.
Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. This paper reports the design, construction and testing of a parabolic dish solar steam generator. Parabolic trough power plants use parabolic trough collectors to concentrate the. Parabolic trough reflector provides a better alternative way in order to generate higher temperatures with better efficiency. This line is called the focal axis of the parabolic collector. Pdf an overview on parabolic trough solar collectors. Parabolictrough collector, energy, solar coordinates, thermal efficiency, meteorological and radiative. Modeling of a parabolic solarcollector system for water desalination. Solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. Mechanical design of a low cost parabolic solar dish concentrator.
Many other studies related to solar dish collectors are focused on the optical analysis because this is fully depended by the design of the collector. Recent studies that analyze the deployment of solar. Noting that little work has been done in the area of lowering the cost of solar dish, this paper demonstrates the mechanical design of low cost parabolic solar dish concentrator with smalltomoderate size for direct electricity generation. Modeling of a parabolic solar collector system for water desalination. To enhance the heat transfer in a parabolic trough solar collector by using znowater as nanofluid with different volumetric concentrations and. Design and analysis for 1mwe parabolic trough solar. Simplified methodology for designing parabolic trough solar. Parabolic trough collector, energy, solar coordinates, thermal efficiency, meteorological and radiative. Using concentrating collector, heat from the sun is concentrated on a black absorber located at the focus point of the reflector in which water is heated to a very high temperature to form steam. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out. Heat transfer analysis and modeling of a parabolic trough.
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. Design, construction and testing of a parabolic solar steam. Medium temperature solar concentrators parabolictroughs. Box 20423, nicosia 2152, cyprus received 18 june 2003.
Ragheb 2011 the interest in the parabolic trough technology did not rise again until 1977, when the us department of energy as well as the german federal ministry of research and technology began to fund the. Mechanical design of a low cost parabolic solar dish. This is the concave dish made of wood and lined with an aluminium sheet. Design the initial plan for a solar concentrator was to use a semispherical surface covered with many small sections of mirror to form a segmented, spherical concentrator. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. Method of a given focus and directrix was employed in the construction of the. What are central parameters in the design of a parabolic trough power plant.
Design and fabrication of parabolic trough solar water heater. Pdf design and construction of a parabolic trough solar. Each sca is an independently tracking parabolic trough solar collector made up of parabolic reflectors mirrors, the metal support structure, the receiver tubes, and the tracking. Kalogirou department of mechanical engineering, higher technical institute, p. Solar thermal collectors and applications soteris a.
Design, construction and evaluation of parabolic trough collector. The suncatcher is a 25kilowattelectrical kwe solar dish stirling system which consists of a unique radial solar concentrator dish structure that supports an array of curved glass mirror facets, designed to automatically track the sun, collect and focus, that is, concentrate, its solar energy onto a patented power conversion unit pcu. The low costs of the collector and the storage device guarantee that all these applications will lead to an energy cost significantly below that of fossil fuels. The main advantage of this design is easy assembly and maintenance. The parabolic solar collector parabolic trough fixed stand rotating trough foil tape focal line parabolic trough collector application in egypt built in 19 source. In this article, we study a design of closedbox parabolic trough concentrated. The objective of this research was to design a low cost parabolic solar dish concentrator with smallto moderate size for direct electricity generation. The parabolic trough solar technology is modeled using the methodology developed by stine and harrigan 6.
In concentrating solar power technology, the optical efficiency of solar. I medium temperature solar concentrators parabolic troughs collectors e. Solar receiver implemented in engineering equation solver abstract this report describes the development, validation, and use of a heat transfer model implemented in engineering equation solver ees. In spite of efforts to promote and develop renewable sources of energy and other new. Pdf in this paper are presented the results of designing a parabolic trough solar collector ptsc, and its application in a solar thermal system for. Such model can be installed in rural areas which are not connected to governmental grid.
Skyfuels skytrough parabolic trough solar collector source. Flatplate collectors are not appropriate for these high temperatures. To enhance the heat transfer in a parabolic trough solar collector by using zno water as nanofluid with different volumetric concentrations and. Optical design of a solar parabolic concentrating collector. Our aim is to design a novel parabolic trough collector which is useful in lowtemperature applications like domestic water heating. Solar energy conversion and photoenergy systems vol. University of south florida design, construction and. Design of a parabolic trough solar collector using a. This paper presents the design, construction and investigates an experimental study of a parabolic trough solar collector. Design and fabrication of parabolic trough solar water. Pdf parabolic trough solar collector design, construction and. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted.
The model determines the performance of a parabolic trough solar collectors linear receiver, also called a heat collector element hce. Energy equations for computation of parabolictrough. Jan 23, 2010 the suncatcher is a 25kilowattelectrical kwe solar dish stirling system which consists of a unique radial solar concentrator dish structure that supports an array of curved glass mirror facets, designed to automatically track the sun, collect and focus, that is, concentrate, its solar energy onto a patented power conversion unit pcu. Parabolic trough collector, a novel design for domestic water. This paper presents the development of a solar parabolic dish collector prototype for rural areas with high solar resource. Parabolic trough collectors are frequently employed for solar steamgeneration because temperatures of about 300 can be obtained without any serious degradation in the collector s efficiency. The outlet temperature of the fluid from the collector 20. Design, construction, and test of a miniature parabolic. Design and fabrication of solar cylindrical trough collector.
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