A parabolic trough is a one dimensional parabola that focuses solar energy onto a line. A parabolic trough is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror. 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. The site can be a bit of a challenge to find stuff on, but its worth the effort. Nov 25, 2010 a parabolic trough collector it is a principle of geometry that a parabolic reflector pointed at the sun will reflect parallel rays of light to the focal point of the parabola. 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. Main reflective materials that are used include silver and alluminium, which are normally placed on a glass plate.
Parabolic trough solar technology is credited by being synonymous with the very first application of solar energy. The parabolic trough collectors ptc consist of solar collectors mirrors, heat receivers and support structures. Experimental study of parabolic trough collector ptc and. Eurotrough parabolic trough collector developed for. I tried to show what a determined person can do with ordinary tools and materials, a good hardware store and a bit of perseverance a high performance do it. Solar energy, parabolic trough solar collector, collector efficiency. Nep solar is striving to make a difference in the emerging concentrating solar thermal energy sector. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. The model determines the performance of a parabolic trough solar collectors linear receiver, also called a heat collector element hce. Energetic and exergetic investigation of a parabolic.
The cylindrical parabolic collector is also referred to as a parabolic trough collector or a linear parabolic collector. Parabolic trough collector cost update for the system. The parabolic trough is single tracking technology. Modelling of solar thermal power plant using parabolic. Advanced lowcost receiver for parabolic trough solar power design for manufacturing sunshot solarmat award deee00068 2. However, it is limited to a single or double factors for available system. The plants are operating with thermal storage of 7. The major task behind this research work is to increase the efficiency of the parabolic trough collector. Pdf performance of a parabolic trough solar collector. Each sca is an independently tracking parabolic trough solar collector consisting of four major subsystems. Parabolic trough collector cost update for the system advisor. Performance analysis for parabolic trough collector fields core. Description the objective of the present work is to design, develop and investigate the performance of a ptc for hot water generation system. Parabolictrough solar waterheating system for adams county detention facility, brighton, colorado.
It is used to predict the performance of a given parabolic trough and compare competing technologies. Adding a new parabolic trough to the collector library sam. Manual making of a parabolic solar collector internet archive. Acacia energy introduction concentrated solar power csp technologies included parabolic trough, compact linear fresnel reflector and concentrated solar tower. Parabolic trough collector parabolic trough is a device in a parabolic shape, having small focal length of. A wide variety of parabolic trough solar collector options are available to you, such as type, application, and pipe material. Parabolictrough collector systems can pro vide hot water at a. Parabolic trough collector free download as powerpoint presentation.
The baseline 2010 plant is a wetcooled, superheated steam power blockthat uses synthetic oil htf see table 2. Luz ls1, ls2, and ls3 parabolic trough collector technology segs demonstrated commercial nature of parabolic trough technology all plants still operating, many will likely operate. Also, one of the main components in the solar ptc for the improvement of efficiency is the solar tracking system. This study aims at improving the operational efficiency of the commercially available ls2 solar collector by increasing the convective heat transfer coefficient inside the receiver tube. There are good designs here that can be built on a budget and without exceptional mechanical skills. The parabolic trough collector ptc is the most common type of hightemperature solar thermal technology, in which the heat transfer. A parabolic trough solar power plant simulation model.
Abstract the performance of a solar collector field is the main layout criterion for solar thermal power plants. Parabolic trough obtains solar energy to generate heat to produce electricity in steam cycles. 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. Modelling of solar thermal power plant using parabolic trough. Appl august, 2019 numerical analysis of heat transfer enhancement in a parabolic trough collector based on geometry modifications and working fluid usage. The oil flowing through the tube stores heat and then this heat is used to generate electricity in a conventional gener. This book provides a technical overview of lowcost parabolic trough collector. Table 2 shows the design characteristics of th e acurex, single axis tracking m. Advanced lowcost receiver for parabolic trough solar power.
Parabolic trough collector prototypes for lowtemperature process. Energy equations for the computation of parabolictrough collector efficiency using. Direct steam generation in parabolic trough collectors. We develop and manufacture solar thermal parabolic trough collectors and advise on system design and applications. For the united states, parabolictrough waterheating systems are. Solar thermal energy wikipedia parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. The collector field is made up of a large field of singleaxistracking parabolic trough solar collectors. Tube receiver with central corrugated insert was introduced as the absorber tube of parabolic trough receiver to increase the overall heat transfer performance of the. May 29, 2018 olive leafsynthesized nanofluids for solar parabolic trough collectorthermal performance evaluation j. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are positioned that are intended to be heated. Performance evaluation of parabolic trough solar collector with solar.
A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate sun radiations towards a receiver tube located at the focus line of the parabolic cylinder. This line is called the focal axis of the parabolic collector. Solar parabolic trough 3d cad model library grabcad. A copy of the license is included in the section entitled gnu free documentation license. Manual making of a parabolic solar collector gang xiao laboratoire j.
Download file pdf a parabolic trough solar power plant simulation model the reflectors. 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. Parabolic trough collectors can also drive absorption cooling systems or other equipment. Parabolic trough power plants are the only types of solar thermal power plant technology with existing commercial operating systems. This paper presents a performance analysis which utilizes finiteelement models and ray. Heat transfer analysis and modeling of a parabolic trough solar. Solabolic next generation of parabolic trough solar. Federal technology parabolictrough solar alert water heating.
Parabolic trough collector an overview sciencedirect. An attractive feature of the technology is that parabolic trough solar collectors are already in use in abundant numbers. A diagram of a parabolic trough solar farm top, and an end view of how a parabolic collector focuses sunlight onto its focal point. Finite element modeling and ray tracing of parabolic. We study a design of closedbox parabolic trough concentrated solar collector. Energy equations for computation of parabolictrough. Experimental and simulation studies of parabolic trough collector. Pdf parabolic trough solar collector design, construction and. The annual peak efficiency of each plant is 28% and average efficiency is 15%. The use of concentrating solar energy collectors dates back to the late 19th century. Numerical analysis of heat transfer enhancement in a.
An improved solar parabolic trough collector model has been developed in this study, to overcome the weakness of. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. The trough is parabolic along one axis and linear in the orthogonal axis. Design, construction and testing of a parabolic solar steam generator joshua folaranmi 120 parabolic dish. It offers polytrough 1200, a roof and ground mountable parabolic trough collector. This paper presents the design, construction and investigates an experimental study of a parabolic trough solar collector ptsc. Use of parabolic trough solar energy collectors for sea. Design, construction and evaluation of parabolic trough.
Method of a given focus and directrix was employed in the construction of the parabolic dish. The parabolic shaped mirrors are constructed by forming a sheet of reflective material into a parabolic shape that concentrates incoming sunlight onto a central receiver tube at the focal line of the collector. Thermal efficiency of solar parabolic trough collector. The reflector, which concentrates the sunlight to a focal line or focal point, has a parabolic shape. Redressable parabolic trough solar collector back to home. A parabolic trough collector ptc is a linearfocus solar collector, basically composed of a parabolic trough shaped concentrator that reflects direct solar radiation onto a receiver or absorber tube located in the focal line of the parabola see fig. Design, construction, and test of a miniature parabolic. Sep 15, 2016 the parabolic trough is single tracking technology. Sams physical trough model to estimatewas used the 2010 and future year costs of the parabolic trough technology. Experiment was conducted on ptc parabolic trough collector of length 1 m and of having area is 1. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. Nrel tests show the skytroughs thermal efficiency at 350 c 662 f to be over 73%, meaning that nearly three quarters of the solar radiation striking the trough surface is converted into thermal energy. 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. Use of parabolic trough solar energy collectors for seawater.
Parabolic trough collector water heating efficient. Use of parabolic trough solar energy collectors for seawater desalination soteris kalogirou department of mechanical engineering, higher technical institute, po box 423, nicosia, cyprus abstract the various desalination methods are analysed with respect to their primary energy consumption, seawater treatment requirement and equipment cost. Thermal performance of solar parabolic trough collector using. Manual making of a parabolic solar collector gang xiao. Pdf design and construction of a parabolic trough solar. In the present work, the performance of aluminum oxide al2o3 and deionized di water nanofluid used as heat transfer fluid on a parabolic trough solar collector ptsc system with hot water generation tank is evaluated. Design, construction and testing of a parabolic solar.
The htf will deliver 25 kw heat operate an unfired boiler to produce steam at 5 bar. A half inch hole was drilled in each frame piece to serve as the point of rotation for angling of the trough, and the attachment to the base. I medium temperature solar concentrators parabolic troughs collectors e. Parabolictrough collectors can also drive absorption cooling systems or other equipment. Parabolic trough collectors ptc cover the 90% of the total csp systems 10 because this technology is the most. It reflects the solar radiation and transfers it to the receiver tube. Performance evaluation of solar parabolic trough collector. Thermal efficiency analysis of skyfuels advanced, large. Innovative technology solutions for sustainability. I pipe located at the focus line of the parabolic trough collector. Parabolic trough collector cost update for the system advisor model sam parthiv kurup and craig s. The parabolic trough collector ptc is one of the most widely deployed concentrating solar power technology in the world. Feb 20, 2012 adding a new parabolic trough to the collector library was created by mithras csp hello everybody, is there a way to define a new parabolic trough with its geometry and its optical properties to the standard library.
Parabolic trough collector model designed in solidworks, a trough dimensions b evacuated tube dimensions. The parabolic trough collector designed in solidworks and after analyzed in flow simulation studio. Csp plants work identically as conventional steam power. Next an attempt was made to attach two of the 2 by 4s to the outer edges of the parabolic frame pieces. Analysis of nanofluidbased parabolic trough collectors for.
Thermal performance of solar parabolic trough collector using nanofluids and. It is a smallsize concentrating solar collector, with a reflective mirror surface under the form of a parabolic cylinder which concentrats the sunlight to a receiver tube located at the focus line. A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the opticalthermal efficiency. A simple parabolic trough collector is designed, fabricated and tested. Thermal and optical efficiency investigation of a parabolic trough. Predicting the structural and optical performance of concentrating solar power csp collectors is critical to the design and performance of csp systems. Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially.
Plant overview figure 1 shows a process flow diagram that is representative of the majority of parabolic trough solar power plants in operation today. A parabolic trough solar collector uses stainless steel sheet in the shape of parabolic cylinder to reflect and concentrate sun radiations towards an absorber tube made of g. Medium temperature solar concentrators parabolictroughs. The solar tracking device keeps the ptc towards the sun direction all through the day for receiving the solar. Heat transfer enhancement analysis of tube receiver for. The larger collector aperture area concentrates reflected direct solar radiation onto the smaller outer surface of the receiver tube. It will become obvious on the sample simulation runs that the variation of the solar irradiance given by different sources for a specific site has a high influence on the expected operation results of new power plants. Duanes redrok site is information central for diy heliostats and concentrating solar collectors. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Pdf download for performance evaluation of parabolic trough solar.
Design, construction and evaluation of parabolic trough collector. A parabolic trough is a type of solar thermal energy collector used in csp plants concentrated solar power. This is the concave dish made of wood and lined with an aluminium sheet. Pdf an overview on parabolic trough solar collectors. Sep 03, 2010 it is used to predict the performance of a given parabolic trough and compare competing technologies. The collector field consists of a large field of singleaxis tracking parabolic trough solar collectors. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. Design of a parabolic trough solar collector using a. A trough shaped parabolic reflector concentrates solar radiation onto a central receiver tube. Therefore, in comparison to the current plant designs. The parabolic trough solar collector is developed using easily and locally accessible materials. Solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector.
Sensitive analysis for the efficiency of a parabolic trough. Heat transfer analysis and modeling of a parabolic trough. Pdf solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the. Abstract parabolictrough solar water heating is a wellproven renewable energy technology with considerable potential for application at federal facilities. The receiver absorbs the incoming radiations and transforms them into thermal energy. Specifically, the collector model has been enhanced to account for different collector cost of energy lcoe and can be used to optimize the ipp financial. Energetic and exergetic investigation of a parabolic trough collector with internal fins operating with carbon dioxide, international journal of energy and environmental engineering, 2017, pp. Parabolic troughs, which are a type of linear concentrator, are the most mature csp technology with over 500 megawatts mw operating worldwide.
What is described here is basically a manual method to make high efficiency solar collectors against very low cost, which is. Presently, it is the most advanced and lowest cost large scale solar power technology available. Keywords parabolic trough solar collector, solar tracking tilt sensor. The outlet temperature of the fluid from the collector 20. Single axis collector performance cannot be significantly improved but there is a significant opportunity to reduce the cost problem statement. Parabolic trough solar technology is the most proven and lowest cost largescale solar. By accepting an optical loss of a few percentages due to reflections by the cover, this design offers several advantages over the current open model, in particular a potential of significant cost reduction. Design, construction and testing of a parabolic solar steam. Method of a given focus and directrix was employed in the construction of the. Selection of design point conditions performance of a parabolic trough collector solar field is evaluated for a set of conditions and geographical.
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