The ls3 collector was the last collector design produced by luz and was used primarily at the larger 80 mw plants. Smallsized parabolic trough collectors, ptcs, are the concentrating solar. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect. The direct or insitu concept in which twophase flow is allowed in the collector receiver, so that. The geometric parameters of a ptc are its aperture width and length, rim angle, focal length, diameter of the receiver diameter of the glass envelope and the concentration ratio. This work has been carried out to investigate the performance of parabolic trough collector based air heating system. This paper presents the design, construction and investigates an experimental study of a parabolic trough solar collector. Midterm collector spacetube space frame design reduced solar field cost by additional 20% larger 8m aperture. Parabolic trough collectors ptc are frequently used for steam generation. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. Design and development of an educational solar tracking. The collector is designed with simple parabolic equation and merged of.
The receiver tube is blackened at the outside surface to increase absorption. The efficiency and cost of the parabolic trough collector designs is influenced by structural stiffness, choice of materials, assembly tolerances, mirror cleanliness and wear. In the best casestudy, the improving of efficiency are about 10% and 20% for linear and convoluted. A stepwise approach has been adopted to design the parabolic trough collector heating system.
Development of a smallsized parabolictrough collector. Establishment of design load basis this system was aimed to provide heat for process industry heating applications. 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 ef. The parabolic trough will aid in providing input energy to the rankine cycle. The project will be judged against a series of metrics determined by design constraints and function requirements, all of. This paper presents the design, construction and investigates an experimental study of a parabolic trough solar collector ptsc. Parabolic trough collector is a mature technology available in the world today, which provides thermal energy. A parabolic trough collector ptc is a linear concentrating system made of long, parabolic shaped mirrors and a receiver tube placed along the focal axis of the parabola. 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. The cylindrical parabolic collector is also referred to as a parabolic trough collector or a linear parabolic collector.
Midterm collector spacetube space frame design reduced solar field cost by. Design, construction and evaluation of parabolic trough collector. For evaluation of this designed output have done thermal analysis of steam cycle. Pdf this paper presents a stepwise approach for designing a parabolic trough solar collector system, which is the fastest growing. Simplified methodology for designing parabolic trough. Some simulations are shown to demonstrate the adequate behavior of the model compared to the facility design conditions. These plants use a large fi eld of parabolic trough collectors which track the sun during the day and concentrate the. The torque box is built out of only 4 different steel parts. Parabolic trough collector cost update for the system. Eurotrough parabolic trough collector developed for. 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. Parabolic trough collector cost update for the system advisor.
Reliable parabolic trough technology sopogys microcsp solutions are based on parabolic trough technology the most commercialized, proven and bankable solar thermal technology. The parabolic trough collectors ptc consist of solar collectors mirrors, heat receivers and support structures. Design and fabrication of parabolic trough solar water heater. 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. Abstract this work presents the design, construction and investigation of experimental study of a parabolic trough solar collector ptsc. Also, parabolic trough collectors are simpler than other collectors. Dni is concentrated onto the receiver tube as illustrated in fig. Simplified methodology for designing parabolic trough solar.
Design and fabrication of parabolic solar collector. Performance of a parabolic trough solar collector by michael. Parabolic trough collector system for low temperature. Storage tank capacity 35 li tres tank material stain less steel. A more sophisticated parabolic collector trough can be designed, that avoids the need to track the sun altogether, by combining two parabolas together, to form the compound parabolic trough solar collector. The theoretic design principle of a closed parabolic trough box can be found in 1. Cylindrical parabolic concentrator it consists of a cylindrical parabolic trough reflector and a metal tube receiver at its focal line, as shown in fig. Fixing the area per collector a c, the total number of solar collectors required can be calculated by. The systems design as a modular system is cost effective at smaller scale, allowing us to serve customers with power generation needs. Design and analysis for 1mwe parabolic trough solar collector. For example the skytrough utilizes single, lightweight reflector panels that slide into place, rather than the previous reference trough design. The design comprises 56 collector loops with 4 parabolic trough collectors ptc per loop.
Mathematical modeling of the parabolic trough collector field. The proposed design is verified with the help of simulation. In this paper are presented the results of designing a parabolic trough solar collector ptsc, and its application in a solar thermal system for the production of. An inclined single axis tracking parabolic trough collector was designed to generate hot water or steam at a pressure close to ambient.
Obviously, the obtained results from the comparison show the improving of the new designed parabolic collectors efficiency. Smallsized parabolic trough collector system for solar. Pdf a simplified design procedure of parabolic trough solar field. The project will be judged against a series of metrics determined by design constraints and function requirements, all of which are related to the. In a solar cooker, for example, food is placed at the focal line. Parabolic trough collector, energy, solar coordinates, thermal efficiency, meteorological and radiative.
Parabolic trough solar field cost drivers suntrap receiver incubator demonstration novel collector structures reduce framing simplify assembly highly accurate mirrors at competitive cost 0% 20%. How parabolic trough power plants work parabolic trough power plants use concentrated sunlight, in place of fossil fuels, to provide the thermal energy required to drive a conventional power plant. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar. Centralized manufacturing of parabolic trough collectors is problematic due to the scale of industrystandard parabolic trough collector ptc designs and the. C currently represents a relevant percentage of global thermal energy consumption. It is sustainable since it cannot be depleted in a time relevant to the human race. About 6% % of these are solar collectors, 1%% are solar water heaters, and 1%% are other solar energy related products. A wide variety of parabolic trough solar collector options are available to you, such as solar thermal, water heater and air conditioning system. It is a construction of a matrix of mirrors to form the. 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. Advanced lowcost receiver for parabolic trough solar power.
Depending to their design, ptc and lf are able to concentrate the solar radiation flux 30. Design and construction of a parabolic trough solar collector for. Parabolic trough collector, water outlet temperature, collector thermal efficiency, collector design. While the circular shape is currently the proven optimum design of the energy collection element ece of a parabolic trough collector, that is yet to be con. Mit, bulandshahr vgi, greater noida vgi, greater noida. The fundamental characteristics of the performance of a parabolic trough solar collector are its concentration ratio and its optical efficiency. Design of the steamgeneration method three methods have been employed to generate steam using parabolic trough collectors. Design and simulation of solar parabolic trough with trnsys. Energy equations for computation of parabolictrough. Collector development history luz concentrator structures. Development of a low cost european parabolic trough. Design, construction, and experimental testing of a.
Dec 01, 2017 the design and fabrication were done successfully and the performance of the designed parabolic trough solar collector is satisfactory. There are 128 parabolic trough solar collector suppliers, mainly located in asia. Modeling of receiver pipe or heat collecting element was done using ansys simulation package under static loading conditions to ensure the robustness of the design. Parabolic trough collectors are typically used in active, indirect water. The modelling of these devices is a key aspect in the improvement of their design and performances which can represent a considerable increase. Collector design as mentioned before, the objective of the eurotrough collector design task was the development of a new light weight collector structure for a solar parabolic trough power plant having a total specific weight of not more than 30 kg per m. 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. In steam analysis, we have found steam flow rate, inlet temperature of collector, heat required per. Introduction basically, the sun is the ultimate source of energy for every life on earth and even fossil fuels including oil, coal and natural gas in a manner stores of solar energy. Figure 2 describes the working of parabolic dish collector. Parabolic trough collector system specifications items value collector aperture 0. What are central parameters in the design of a parabolic trough power plant.
Parabolic trough collectors are typically used in active, indirect water heating systems. Design and analysis for 1mwe parabolic trough solar. A parabolic trough is a one dimensional parabola that focuses solar energy onto a line. Material and component specifications single axis tracked. Journal of nondestructive evaluation, diagnostics and prognostics of engineering systems. Introduction thermal energy demand at temperatures up to 250. Pdf design analysis of solar parabolic trough thermal. Ls2 parabolic trough collectors, kramer junction, ca. For the design and the locally fabricated and assembled components of the parabolic trough collector i. Parabolic trough collector cost update for the system advisor model sam parthiv kurup and craig s. They identified aluminium sheet as cost effective material to use as reflector. The design steps are mapped in figure3, following the explanation of important steps. Then, an experimental ptc system setup is established with a concentration ratio of 9. Pdf parabolic trough solar collector design, construction and.
Description the objective of the present work is to design, develop and investigate the performance of a ptc for hot water generation system. Capacitive and efficient parabolic trough solar collector. Journal of nanotechnology in engineering and medicine. The initial plan for a solar concentrator was to use a semispherical surface covered with many small sections of mirror to. Parabolic solar trough design report pilot scholars. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. Design and fabrication of parabolic trough solar water. Next generation of parabolic trough solar collectors. Journal of nuclear engineering and radiation science.
The central element of the box design is a 12m long steel spaceframe structure having a squared cross section that holds the support arms for the parabolic mirror facets. Design, construction, and experimental testing of a parabolic. Numerical modelling of a parabolic trough solar collector. Modelling of solar thermal power plant using parabolic trough. Lowcost small scale parabolic trough collector design for. Parabolic trough solar thermal electric power plants. Pdf design and construction of a parabolic trough solar. The current study presents a numerical and realtime performance analysis of a parabolic trough collector ptc system designed for solar airconditioning applications. A parabolic trough collector, similar in size to smallerscale commercial modules, has been developed locally for use in an ongoing ptsc research programme. Design and fabrication of parabolic solar collector mechanical project abstract. Design, construction, and test of a miniature parabolic trough. Solar system using parabolic trough collector for water.
The thermal efficiency of parabolic trough collector ranges from 6090%. Modeling and experimental investigation of parabolic trough solar. India, with its tropical climate, can tap solar energy for heating water for domestic. Parabolic trough collector an overview sciencedirect topics. The patented solabolic parabolic trough will do the same for the concentrated solar power csp industry and achieve system dimensions nearly twice the size of the industry standard parabolic troughs, at higher efficiency and much less costs. Performance evaluation of parabolic trough during the month of november and. Performance investigation of parabolic trough solar collector. Experimental and simulation studies of parabolic trough. At the same time, time dependent nature of the solar energy can be eliminated by introducing thermal energy storage system in the parabolic trough collector. Finally, the outlet results of new designed collector are compared with ls2 classic collector.
The parabolic trough solar collector the design of parabolic trough collectors are structurally simpler than other types of concentrated collectors but it requires continuous tracking so as to make sure that solar radiations are concentrated on the absorber tube throughout the day. The ls3 collector represents the current stateoftheart in parabolic troug h collector design and is the collector that would likely be used in the next parabolic trough plant built. Performance investigation of parabolic trough solar. Parabolic trough solar collector ptc is economically the most proven and advanced of the various csp technologies. Parabolic trough collectors for industrial process heat solar collector is presented. The team chose to use a parabolic trough for its simplicity, durability, and cost effectiveness. Pdf in this paper are presented the results of designing a parabolic trough solar collector ptsc, and its application in a solar thermal system. Eurotrough parabolic trough collector developed for cost. Systems with light structures and low cost technology for process heat application up to 400 8c could be obtained with parabolic through collectors. Pdf parabolic trough solar collector design, construction. Design and analysis of ptr mcrt methodthe receiver tube of parabolic trough solar collector. Design of a parabolic trough solar collector using a.
The heat transfer fluid flows through the receiver tube, carrying. Electricity can be produced directly from thermal energy using solar thermal collectors. Design and analysis for 1mwe parabolic trough solar collector plant based on dsg method. The design parameter of a parabolic trough collector can be classified as geometric and functional.
The performance of parabolic trough solar collector ptsc has been evaluated using different heat transfer working fluids. These plants use a large fi eld of parabolic trough collectors which. Parabolic trough collector receiver trough stand tracking system balance of system piping instrumentation and safety mechanism storage system optional key design variants parabolic trough is currently available in five different designs, as given below in bracket. The aim of this study was to test and fully characterise the performance of the collector. 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.
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