The simulation software was coded in microsoft visual studio. Parabolic trough plants require large amount of land while solar pv s can be conveniently places on rooftops. Concentrated solar power csp technology uses energy from the sun to generate heat, which is used in steam cycles to produce electricit. Ringtrough the next generation of solar parabolic trough. It describes how to model a parabolic trough system with molten salt heat transfer fluid using sams physical trough model. Certainly, the right size of the solar field is the first selection with regard to nominal electrical power. Parabolic trough collector ptc is special kind of heat exchanger that is able to transfer solar radiation energy to fluid medium that flow through it. Reduce emissions and carbon footprint from dairy by applying solar heat solutions in the manufacturing. Diy parabolic trough mirror made in 20 minutes stainless steel mirror free energy. Solar energy conversion and photoenergy systems vol. It tracks the sun and reflects the sunlight onto the receiver tubes by the trough shaped parabolic mirrors.
Manual making of a parabolic solar collector gang xiao laboratoire j. Energy equations for computation of parabolictrough. Design support system for parabolic trough solar collector. The new simulation component is implemented in the trnsys software environment by means of new type that is suitable for integration into the calculation of a whole concentrating solar thermal plant, in order to evaluate the energy production of a ptc. A new trnsys component for parabolic trough collector. But in the solar tech race, is there room for more than one leader. New invention to make parabolic trough solar collector. Examples of solar parabolic trough and dish systems using asap. The resulting graphs well describe the variations of various outputs of the solar field and help to predict the performance of the plant. Designing a ptc for a specific working condition requires determination of several parameters and referring to a number of design standards and handbooks. A parabolic trough solar power plant simulation model nrel.
Computer modelling of hybrid solar parabolic trough concentrator. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. Parabolic trough, trnsys, simulation, rankine cycle, solar. Advances in parabolic trough solar power technology. Software and codes for analysis of concentrating solar power. There are good designs here that can be built on a budget and without exceptional mechanical skills.
Water is pumped through the receiver tube and is heated as it passes through the receiver tube. Parabolic trough technology parabolic trough technology consists of a series of parabolic mirrors arranged in horizontal rows that concentrate solar radiation in a central tube containing thermal oil. Patented parabolic trough reflectors, uses the latest technology. Key equipment of a parabolic trough power plant mainly includes a concentrator, a receiver tube, and thermal storage.
The model and simulation program is for estimation of energy outputs, losses and efficiencies of. By rajesh chhabara parabolic troughs have dominated the concentrated solar thermal power industry for the last two decades, winning the confidence of utilities and investors. A mirror alignment measurement device, invented by rich diver, a researcher at sandia national laboratories, may soon make one of the most popular solar. The hot oil is used to vaporize water, which, channeled to a steam turbine, drives a generator that injects electrical energy into the grid. 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. Nov 28, 2018 this paper provides a software simulation model for performance prediction of a parabolic trough collectors system ptcs, as a part of solar thermal power plants. The system advisor model sam is a performance and financial model designed to estimate the cost of energy for gridconnected power projects based on installation and operating costs and system design in order to facilitate decision making for people involved in the renewable energy industry. Absolicon sells robotic production lines that produce the worlds best concentrated solar collectors. Parabolic trough solar thermal system parabolic trough. Laboratories that jointly support the doe csp program. Dec 04, 2009 the moment for solar power tower technology has arrived. 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 paper provides a software simulation model for performance prediction of a parabolic trough collectors system ptcs, as a part of solar. Design analysis of solar parabolic trough thermal collectors. There is a risk of it freezing at night which affects plants operations. Solar parabolic trough systems were used to provide chilled water from the mechanical energy produced from the thermal energy such as balghouthi et al. May 15, 2007 a mirror alignment measurement device, invented by rich diver, a researcher at sandia national laboratories, may soon make one of the most popular solar collector systems, parabolic troughs, more. Parabolic trough plants are the most mature solar power technology, but no largescale plants have been built in over a decade. Parabolic trough power plants have a longstanding performance issue relating to the buildup of trace quantities of hydrogen gas in the receiver tubes. Solar parabolic trough 3d cad model library grabcad. Given this lengthy lull in deployment, our first project objective was development of improved trough technology for nearterm deployment, closely patterned after the best of the priorgeneration troughs. Sandias analysis capabilities in the csp program are also evaluated. Modeling parabolic trough systems, june 2014 youtube. Heat transfer analysis and modeling of a parabolic trough. Parabolic troughs, which are a type of linear concentrator, are the most mature csp technology with over 500 megawatts mw operating worldwide. Modeling and performance prediction of solar parabolic trough.
The model determines the performance of a parabolic trough solar. The parabolic trough collector of the parabolic trough solar thermal system is a kind of device that collects solar energy by means of linear focus on sunlight. Parabolic solar trough creates solar energy solar hot water steam cooker pressure a steam engine. Simplified methodology for designing parabolic trough solar. This report updates the baseline cost for parabolic trough solar fields in the united states within nrels system advisor model sam.
In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe. A receiver tube running in the center and the length of the trough is the focus point on which the sun generates solar energy. Duanes redrok site is information central for diy heliostats and concentrating solar collectors. Software development for design, simulation and sizing of parabolic. Parabolic trough collector cost update for the system advisor. Schott parabolic trough technology for largescale solar power generation by schott ag schott solar csp gmbh. Schott schott solar csp receivers parabolic trough. They consist of a solar field filled with hundreds or thousands of solar collector assemblies sca. Nowadays, parabolic trough solar thermal plants are prevalent around the world. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. An integrated program of a standalone parabolic trough solar. Parabolic trough technology consists of a series of parabolic mirrors arranged in horizontal rows that concentrate solar radiation in a central tube containing thermal oil. Each sca is an independently tracking parabolic trough solar collector consisting of four major subsystems. Figure 1 presents a schematic of the iscc analyzed in this paper.
Medium temperature solar concentrators parabolictroughs. Heat transfer analysis and modeling of a parabolic trough solar receiver implemented in engineering equations solver. Hydrogen is a byproduct of the very slow breakdown of the heat transfer fluid. Software development for design, simulation and sizing of parabolic trough solar thermal power plant ethiosola. Design of a 25 mwe solar thermal power plant in iran with. It describes how to model a parabolic trough system with molten salt heat transfer fluid. Absolicon produces the worlds best concentrated solar collector certified with solar keymark. Recent studies that analyze the deployment of solar parabolic trough collectors sptc in di. Aug 30, 2018 ringtrough the next generation of solar parabolic trough. Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially. Pdf design analysis of solar parabolic trough thermal. As of 2014, the largest solar thermal power systems using parabolic trough technology include the 354 mw segs plants in california, the 280 mw solana generating station with molten salt heat storage, the 250 mw genesis solar energy project, the spanish 200 mw solaben solar power station, and the andasol 1 solar power station. Concentrated solar power also called concentrating solar power and csp systems use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area. The site can be a bit of a challenge to find stuff on, but its worth the effort.
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. Parabolic trough collector ptc is one of the configurations of csp. The modeling parabolic trough systems webinar was presented on june 18, 2014 by michael wagner of nrel. Soltigua is the only company offering solar tracking technologies for both pv trackers, and concentrated solar thermal collectors such as parabolic troughs and linear fresnel. This solar trough tracks the sun using a mathematical algorithm and will not chase shadows from clouds. This study presents an inhouse design simulation software for parabolic trough collector. Molten salts freeze at high temperatures in the range of 120. Performance simulation comparison for parabolic trough solar. This study describes and evaluates a new simulation component for parabolic trough collectors ptcs.
Design and simulation of solar parabolic trough with trnsys. The ringtrough will preheat the raw water directly in the collector tube with larger mirrors. Diy parabolic trough mirror made in 20 minutes stainless steel mirror free energy from the sun duration. 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. Solar parabolic trough uses mirrored surfaces curved in a linearly extended parabolic shape. Jun 18, 2014 the modeling parabolic trough systems webinar was presented on june 18, 2014 by michael wagner of nrel. Parabolictrough concentrator the accuracy of the solar tracking depends to a great extent on the solar coordinates at a particular. Solar thermal systems produce steam after being energized by solar parabolic trough concentrators, are incorporated with a steam turbinegenerator assembly. There is a company currently using parabolic troughs with synthetic oil for desalination, however the mirrors are smaller, and the heated oil then transfers the heat to the raw water in a heat exchanger. Sam, available at no cost at, is a performance and financial model designed to facilitate decision making for people involved in the renewable energy industry. 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. This parabolic trough 73% efficient solar power world. Assessment of parabolic trough and power tower solar. Pdf software development for design, simulation and sizing of.
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. Energy equations for the computation of parabolictrough collector efficiency using. A trough shaped parabolic reflector concentrates solar radiation onto a central receiver tube. Modeling and performance prediction of solar parabolic.
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