The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. The conventional part of the plant provides power throughout the night, and the solar energy is added to the total capacity during the day. 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. Parabolictrough concentrator the accuracy of the solar tracking depends to a great extent on the solar coordinates at a particular. Reliable parabolic trough technology sopogys microcsp solutions are based on parabolic trough technology the most commercialized, proven and bankable solar thermal technology. Parabolictrough solar collectors and their applications. A receiver tube running in the center and the length of the trough is the focus point on which the sun generates solar energy. Solar cells can provide some output even in diffused light, not so the case in solar parabolic troughs.
Four main concentrating solar power technologies are described in this report. In this video new physicist shows you how to build a high efficient solar water heater using zinc sheet and copper pipe. Life cycle assessment of a parabolic trough concentrating solar power plant and the impacts of key design alternatives john j. Reducing the cost of energy from parabolic trough solar. The model determines the performance of a parabolic trough solar. Candidate, asme student member school of mechatronics engineering harbin institute of technology 150001 harbin, china. Certainly, the right size of the solar field is the first selection with regard to nominal electrical power. Parabolic trough obtains solar energy to generate heat to produce electricity in steam cycles. This facilit y consisted of two parabolic trough solar fields with a total mirror aperture area of 7602 m 2. The site can be a bit of a challenge to find stuff on, but its worth the. How to make a solar water heater using parabolic trough. Pdf advances in parabolic trough solar power semantic. It offers polytrough 1200, a roof and ground mountable parabolic trough collector.
Pdf an overview on parabolic trough solar collectors. Water is pumped through the receiver tube and is heated as it passes through the receiver tube. More common are parabolic trough solar thermal power plants, which are less harmful to birds. The modelling of these devices is a key aspect in the improvement of their design and performances which can represent a considerable increase of the overall efficiency of solar power plants. In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe. Industrial process steam generation using parabolic trough. Turchi national renewable energy laboratory, 1617 cole blvd. Innovative technology solutions for sustainability. Parabolic troughs are the most commercially available technology. Manual making of a parabolic solar collector gang xiao. Energy equations for the computation of parabolictrough collector efficiency using. The present paper aims at predicting the performance of a solar parabolic trough collector for hybrid geothermal power generation.
A new design concept, which integrates a parabolic trough plant with a gas turbine combinedcycle plant, called the integrated solar combinedcycle system isccs, is shown schematically in figure 10. Parabolictrough solar concentrating systems are an advanced and matured technology. The initial cost of solar system is higher but operations and maintenance costs are always lower. A vast area will be economically unreasonable whereas a small area will mainly cause. Such a system offers a possibility to reduce cost and improve the overall solar toelectricity efficiency. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. Lowcost concentrating solar collector for steam generation.
Rough plans for parabolic trough solar cooker introduction the parabolic trough cooker or cylindroparabolic solar cooker has several advantages over other solar cookers. Heat transfer analysis and modeling of a parabolic trough 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. Pdf abstractsolar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. The design and fabrication of parabolic trough solar water heater for water heating was executed. These pla developed by luz international limited and referred to as solar electric genera systems segs, range in size from 14 80 mw and represent 354 mw of.
Parabolic trough development was also taking place in europe and culminated with the construction of the iea smal l solar pow er systems projectdistributed collector system sspsdcs in tabernas, spain, in 1981. Recent studies that analyze the deployment of solar. Solar system using parabolic trough collector for water desalination unit submitted by. 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. Industrial process steam generation using parabolic trough solar collection is the final report for the reduce natural gas use for industrial process heat using hightemperature parabolic trough solar collectors project contract number 500.
Linear fresnel and power tower technologies are presently being planned as commercial plants, but none have yet been built in the u. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are. Parabolic trough, trnsys, simulation, rankine cycle, solar irradiance, parabolic trough collector is the most proven technology to convert solar energy into electricity. Modeling and performance prediction of solar parabolic. Nine trough power plants in californias mojave desert provide the worlds largest generating capacity of solar electricity, with a combined output of 354 megawatts. Parabolic trough power plants use parabolic trough collectors to concentrate the. Jumaa alaydi a thesis submitted in final fulfillment of the requirement for degree of master of science in civil. Parabolic trough solar technology is the most proven and lowest cost largescale power technology available today, primarily because of the nine large commercials solar power plants that are operating in the california mojave desert. Sun tracking is necessary to maintain solar collection by parabolic troughs otherwise the output will reduce. Lowcost concentrating solar collector for steam generation by john dascomb a thesis submitted to the department of mechanical engineering in partial ful llment of the requirements for the degree of master of science degree awarded.
In diffused light, there is an inability to focus sunlight efficiently and the output decreases dramatically. Parabolic trough plants require large amount of land while solar pvs can be. Parabolictrough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. Review of solar parabolictrough collector geometrical and thermal analyses, performance, and applications. Comparison of two linear collectors in solar thermal plants. Pdf modeling and experimental investigation of parabolic trough. Performance characteristics of the solar parabolic trough collector with hot water generation system by amirtham valan arasu and samuel thambu sornakumar original scientific paper udc. This increases cost and maintenance associated in maintaining the moving structures. Parabolic trough solar technology is the most proven and lowest cost largescale solar power technology available today, primarily because of the nine large commercialscale solar power plants. Pdf parabolictrough solar collectors and their applications. Pdf design analysis of solar parabolic trough thermal. Acacia energy introduction concentrated solar power csp technologies included parabolic trough, compact linear fresnel reflector and concentrated solar tower.
Distinguishing between parabolic trough power plants, fresnel power plants, solar tower power plants and dishstirling systems, the parabolic trough power plants provide over 90% of the capacity of concentrating solar power plant technology that is in operation or in construction in. 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. Life cycle assessment of a parabolic trough concentrating. The systems design as a modular system is cost effective at smaller scale, allowing us to serve customers with power generation needs.
Concentrating solar power commercial application study. Nep solar is striving to make a difference in the emerging concentrating solar thermal energy sector. Nowadays, parabolic trough solar thermal plants are prevalent around the world. Assessment of parabolic trough and power tower solar technology cost and performance forecasts national renewable energy laboratory 1617 cole boulevard golden, colorado 8040393 nrel is a u. There are good designs here that can be built on a budget and without exceptional mechanical skills. Press release qy research parabolic trough concentrated solar power market overview industry demand, development and growth forecast report 2026 acciona, abengoa solar, torresol energy. The operating temperature of the system is in the range of 500700k and the geometric concentration ratio of the parabolictrough system is in the range of 30100 table 8. Duanes redrok site is information central for diy heliostats and concentrating solar collectors.
Pdf fabrication of parabolictrough concentration for. Parabolic trough plants collect the direct solar radiation in collectors consisting of parabolic trough mirror concentrators with a linear absorber tube. Energy performance enhancement of solar thermal power plants by solar parabolic trough collectors and evacuated tube collectors. Csp plants work identically as conventional steam power plants and the core. Parabolic trough concentrated solar power market overview. They consist of a solar field filled with hundreds or thousands of solar collector assemblies sca. As of 2018, 90% of the csp in commercial operation is trough.
Parabolic trough solar collector ptc is economically the most proven and advanced of the various csp technologies. Energy equations for computation of parabolictrough. It represents the optimal resolution regarding the attainable concentration ratio and the attainable energy production per aperture area in linefocusing solar collectors. Concentrated solar power market size, analysis industry. Assessment of parabolic trough and power tower solar. Parabolic trough systems are often applied in hybrid systems paired with conventional power plants. We develop and manufacture solar thermal parabolic trough collectors and advise on system design and applications. Solar pvs are expensive and more area can be covered by parabolic troughs which employ cheaper mirrors. Simplified methodology for designing parabolic trough. A trough solar collector field comprises multiple parabolic troughshaped mirrors in parallel rows aligned to enable these singleaxis troughshaped mirrors to track the sun from east to west during the day to ensure that the sun is continuously focused on the receiver pipes. Heat transfer analysis and modeling of a parabolic trough. Department of energy laboratory operated by midwest research institute battelle bechtel contract no. Energy performance enhancement of solar thermal power. Design and fabrication of parabolic trough solar water heater for hot water generation santosh kumar singh1 arvind kumar singh 2 and santosh kumar yadav3 1asst.
This is primarily due to nine large commercialscale solar power plants, the first of which has been operating in the california mojave desert since 1984. The objective of the current study is to report recent progress on thermal efficiency enhancement in the parabolic solar trough collector using nanofluids. Sam includes models for the following kinds of csp systems. Design and simulation of solar parabolic trough with trnsys. Solar parabolic trough uses mirrored surfaces curved in a linearly extended parabolic shape. Pdf comparison of two linear collectors in solar thermal. Advances in parabolic trough solar power technology. It provides the instant fryinggrilling power of a pure parabolic cooker, and yet easier to construct because the reflective surface is only bent along one dimension. Design of a 25 mwe solar thermal power plant in iran with. Solar trough systems these systems provide largescale power generation from the sun and, because of their proven performance, are gaining acceptance in the energy marketplace.
Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially. The receiver absorbs the incoming radiations and transforms them into thermal energy. Parabolic trough, molten salt and direct steam power towers, molten salt and direct steam linear fresnel, dish stirling, a generic csp model, integrated solar combined cycle. A new design concept for concentrating solar parabolic mirrors lifang li1 ph.
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