Brief introduction parabolic trough receiver is also known as heat collecting element hce. Spectral beam splitting retrofit for hybrid pvt using. Modelling of solar thermal power plant using parabolic. Parabolic trough collector power plant performance simulation for an interactive solar energy atlas of saudi arabia mercedes ibarra, miguel frasquet, abdulaziz al rished, arttu tuomiranta, sami gasim, and hosni ghedira. Operation and monitoring of parabolic trough concentrated. Performance analysis of a directabsorption parabolic trough solar.
Performance investigation of parabolic trough solar collector. In this article, we study a design of closedbox parabolic trough concentrated. Improvements in efficiency of solar parabolic trough. Use of parabolic trough solar energy collectors for seawater. In spain, there are three power plants namely andasol 1, andasol 2 and andasol 3 that are being operated using parabolic trough collector technology with a capacity of 50 mw each. Heat transfer analysis and modeling of a parabolic trough.
Heat losses from parabolic trough solar collectors. Modeling of a parabolic solarcollector system for water desalination. I medium temperature solar concentrators parabolic troughs collectors e. The site can be a bit of a challenge to find stuff on, but its worth the effort.
Modeling and experimental investigation of parabolic trough solar collector institution. Helpful article on how to merge pdf files in different ways with pdf24. Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. Design, construction and evaluation of parabolic trough collector. Heliostats are tracking mirrors that reflect solar energy onto a fixed target. A wide variety of parabolic trough solar collector options are available to you, such as pressurized, nonpressure, and evacuated tube. The solar energy has been the most favorite renewable energy source in the present times. 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. Jun 16, 20 this concentrating collector can boil water form 30 deg at 1 atm pressure. There are good designs here that can be built on a budget and without exceptional mechanical skills. The performance measurement of the parabolic trough solar.
Duanes redrok site is information central for diy heliostats and concentrating solar collectors. The parabolic trough receiver is designed to promote the solar fields to be more productive and more costcompetitive. Csiro has built a solar thermal parabolic trough collector field which will produce 80kw th at wm2 beam irradiation at temperatures up to 280oc. Parabolic troughs, which are a type of linear concentrator, are the most mature csp technology with over 500 megawatts mw operating worldwide. Each solar collector has a linear parabolicshaped reflector that focuses the suns direct beam radiation. Zarza encyclopedia of life support systems eolss maximum values at sunrise and sunset times and a minimum value of 0. The parabolic trough collector ptc is the most common type of hightemperature solar thermal technology, in which the heat transfer fluid is usually synthetic oil, molten salt or watersteam. Parabolic trough collector power plant performance. Parabolic trough solar collector usually consists of a parabolic solar energy concentrator, which reflects solar energy into an absorber. The initial installation cost of these parabolic trough solar collectors consti.
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. Energy equations for the computation of parabolictrough collector efficiency using. The model determines the performance of a parabolic trough solar collectors linear receiver, also called a heat collector element hce. Parabolic solar trough parabolic trough collectors for. Recent studies on the potential of the nanofluids on the performance enhancement of the parabolic trough collectors seem to be pointing toward development of the next generation of the solar. The collector efficiency increases with increase in mass flow rate of air. Parabolic trough collector technology torresol energy. Thermal efficiency of solar parabolic trough collector.
Evaluate combine cycle operation to reduce htf temperature htf to ammonia or. A solar field of 510,000 m 2 with senertrough collectors. A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the opticalthermal efficiency. Also, one of the main components in the solar ptc for the improvement of efficiency is the solar tracking system.
Parabolic trough collector cost update for the system advisor. Parabolic trough collectors ptc are frequently used for steam generation. Parabolic trough solar thermal electric power plants. In the parabolic trough solar collector, a mirror or a reflector. A parabolic trough solar collector is a dominant technology for hightemperature industrial applications. In addition, sidebars provide indicators that a system. Developing solar thermal power technology in an effective manner is a great challenge in china. Innovative technology solutions for sustainability. Parabolic trough collector ptc, pcm, latent thermal energy storage system 1. It offers polytrough 1200, a roof and ground mountable parabolic trough collector. Parabolic trough solar thermal electric power plants parabolic trough solar collector technology offers an environmentally sound and increasingly costeffective energy source for the future.
Parabolic trough collector cost update for the system. Nep solar is striving to make a difference in the emerging concentrating solar thermal energy sector. Pdf an overview on parabolic trough solar collectors. Parabolic trough solar collectors utilize a heat transfer fluid htf that flows through the receiver collecting and transporting solar thermal energy to the power. Segs is the second largest solar thermal power plant in the world at 354 mw surpassed by the 377mw ivanpah solar power tower system discussed in the next section. This concentrating collector can boil water form 30 deg at 1 atm pressure. Numerical modelling of a parabolic trough solar collector. New invention to make parabolic trough solar collector systems more energy efficient 15 may 2007 sandia researcher rich diver sets up a device he has. Energy equations for computation of parabolictrough. It is noted for its high reliability than other systems and allows more energy generation than other renewable resources. A moltensalt heat storage system that allows it to supply electric power for up to seven hours when there is an absence of solar radiation. Bringing you a prosperous future where energy is clean, abundant, reliable and affordable u. Experimental investigation on a parabolic trough solar. Owned by torresol energy and located in the south of spain, the valle 1 and valle 2 parabolic trough plants have.
The solar collector is a closed box composed of the following principal parts. Pdf an overview on parabolic trough solar collector. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. Himin is parabolic trough receiver manufacturer in china, our parabolic trough receiver, also called the heat collection element hce, is a key component of the parabolic trough csp project. The research team performed a bottomup build and cost estimate for two stateoftheart parabolic trough designsthe skytrough and the ultimate trough. Online and offline, pdf24 gives you the tools you need to quickly and. Several power plants based on this technology have been operational for years, and more are being built. However, it is limited to a single or double factors for available system. A wide variety of vacuum tube for parabolic trough collector options are available to you, such as connection type, circulation type, and type. Unesco eolss sample chapters solar energy conversion and photoenergy systems vol. 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. The absorber is a tube, painted with solar radiation absorbing material, located at the focal length of the concentrator, usually covered with a totally or partially vacuumed glass tube to minimize the heat. The collector field consists of a large field of singleaxis tracking parabolic trough solar collectors.
Parabolic trough receiver solar collector manufacturer. Hameed jassim khalaf mechanical engineering departmentuniversity of tikrit abstract theoretical design of compound parabolic trough solar collector cpc without tracking is presented in this work. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. Federal technology parabolictrough solar alert water heating. Akshay chandel 601 mithil pandey627 kusuma sujan644 ankit singh606 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. The main element of a parabolic trough power plant is the solar field, which provides steam for conventional steam turbines. Xiao gang 08 a closed parabolic trough solar collector is studied in which a hermetic box with a transparent cover and the parabolic reflector forming the back parabolic trough concentrated solar collector. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. 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.
Parabolic trough solar collector technology is currently the most proven solar thermal collector technology. Solar cells can provide some output even in diffused light, not so the case in solar parabolic troughs. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect. Solar energy conversion and photoenergy systems vol. A closed parabolic trough solar collector gang xiao 30th october 2007 parabolic trough1 is the most mature technology for large scale exploitation of solar energy. Sensitive analysis for the efficiency of a parabolic. However, the current technology suffers from a too high installation cost. Modelling of solar thermal power plant using parabolic trough. Theoretical study of the compound parabolic trough solar collector dr. In the picture, 1 is the back plate, 2 is the end plate, 3 is the cover, 4 is the receiver the glass tube. Inspired by george plhak and daniel rojas, this parabolic trough solar water heater is to be one in a bank of four to heat about 80 gallons of water. In these plants, large fields of parabolic trough collectors supply the thermal energy used to produce steam supplied to a rankine steam turbinegenerator cycle to produce electricity. This study presents the most wellknown solar concentrating system, the parabolic trough collector, which is operating efficiently in high temperatures. Design of a parabolic trough solar collector using a.
The parabolic mirrors are formed by coating a sheet of re. Parabolic trough collector technology abengoa solar. A solar thermal collector collects heat by absorbing sunlight. 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. Parabolic trough collector water heating efficient. A wide variety of vacuum tube for parabolic trough collector options are available to. The assumed solar field area in both cases was about 1. Parabolic trough collector ptc cylindrical trough collector ctc tubular tubular tubular point point. It points out the types of situations where parabolictrough solar water heating is most likely to be cost effective and describes the espc process available to federal facilities for parabolictrough projects. Medium temperature solar concentrators parabolictroughs.
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. Patented new technology to make a parabolic solar tough better, less expensive and more accurate. Parabolic trough solar collector water heater youtube. In a solar cooker, for example, food is placed at the.
Theoretical study of the compound parabolic trough solar. Heat losses from parabolic trough solar collectors mohamad. New invention to make parabolic trough solar collector. Simplified methodology for designing parabolic trough solar.
We develop and manufacture solar thermal parabolic trough collectors and advise on system design and applications. Sensitive analysis for the efficiency of a parabolic trough. The complimentary advantages of these two methods motivates interest in hybridizing the two. Performance investigation of parabolic trough solar. Parabolic trough collector application in egypt built in 19 source. The solar field is modular in nature and is composed of many parallel rows of solar collectors aligned on a northsouth horizontal axis. A precision made parabolic trough can focus more solar on a receiver tube collector resulting in creating more solar energy. Parabolic trough collector water heating efficient energy use. They identified aluminium sheet as cost effective material to use as reflector. And the tracking of the sun is done by rotating swinging the box around the receiver tube which is fixed with respect to the ground.
Collector movement along the day requires a drive unit. Another designed part of collector was the heat exchanger which was situated in the focus of parabolic trough solar collector. Solar energy utilization is a promising renewable energy source for covering a variety of energy needs of our society. 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. This is primarily due to the nine plants operating in californias mojave desert since the mid1980s.
The term solar collector commonly refers to a device for solar hot water heating, but may refer to large power generating installations such as solar parabolic troughs and solar towers or non water heating devices such as solar air heaters solar thermal collectors are either nonconcentrating or concentrating. A closed parabolic trough solar collector gang xiao 30th october 2007 parabolic trough 1 is the most mature technology for large scale exploitation of solar energy. Manual making of a parabolic solar collector gang xiao laboratoire j. Simplified methodology for designing parabolic trough. Use of parabolic trough solar energy collectors for sea. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. Solar energy generating systems segs is the name of the worlds largest parabolic trough solar thermal electricity generation system, developed by luz in southern california, usa. Parabolic trough plants require large amount of land while solar pvs can be conveniently places on rooftops. In diffused light, there is an inability to focus sunlight efficiently and the output decreases dramatically. The solar tracking device keeps the ptc towards the sun direction all through the day for receiving the solar. Jan 28, 2010 developing solar thermal power technology in an effective manner is a great challenge in china.
Parabolic dish reflector pdr heliostat field collector hfc. 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. Modeling and experimental investigation of parabolic. Concentrating solar collectors use shaped mirrors or lens to provide higher temperatures that flat plate collectors. Jul 11, 2011 inspired by george plhak and daniel rojas, this parabolic trough solar water heater is to be one in a bank of four to heat about 80 gallons of water. Introduction solar thermal solar photovoltaic in cold climate large amount of low grade thermal energy is used. Heat transfer analysis and modeling of a parabolic trough solar. As a key component of a parabolic trough solar collector, its thermal and optical performance as well as performance reliability determines the efficiency and economy of a parabolic trough power generation system. This page concentrates on providing links, information and plans for build it yourself concentrating collectors and heliostats. Currently i am optimizing the new design to increase its performance that can boil water at much faster rate. Here, a spectral beam splitting approach is designed and tested for application as a retrofit in existing parabolic trough concentrating solar power facilities, the first large scale test using such an approach with lowcost silicon photovoltaic cells.
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