Manual making of a parabolic solar collector gang xiao laboratoire j. Smallsized parabolic trough collector system for solar. Certainly, the right size of the solar field is the first selection with regard to nominal electrical power. A new design concept for concentrating solar parabolic mirrors lifang li1 ph. Patterned after the best of previous, time proven designs, the skytrough is a breakthrough in cost and constructability resulting from significant design and material innovations. Parabolic trough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. Life cycle assessment of a parabolic trough concentrating. Analysis of internal helically finned tubes for parabolic. A vast area will be economically unreasonable whereas a small area will mainly cause. Parabolictrough technology roadmap january 1999 page 2 introduction technology roadmapping the u. Utility scale parabolic trough solar concentrators harness the suns energy to make steam for electricity generation.
The site can be a bit of a challenge to find stuff on, but its worth the effort. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are. Design and analysis for 1mwe parabolic trough solar collector. Life cycle assessment of a parabolic trough concentrating solar power plant and the impacts of key design alternatives john j. This paper reports the design, construction, and evaluation of a solar parabolic trough concentrator ptc with a rim angle of 45, a length of 4. Pdf a simplified design procedure of parabolic trough solar field. A simple stainless steel parabolic trough mirror that produces a near perfect linear beam. Parabolic trough collectors ptc are frequently used for steam generation. Solargenix energy and nrel collaborated to have developed a new collector structure that uses extruded aluminum. The parabolic trough operates at about 75% efficiency and at 495 square foot can collect approximately 270 kwh 10 hours on a clear day. Design, modeling, and optimization of a dual reflector. Design, construction, and test of a miniature parabolic trough.
Diy parabolic trough mirror made in 20 minutes stainless steel mirror free energy from the sun. The reflector, which concentrates the sunlight to a focal line or focal point, has a parabolic shape. Design, construction and testing of a parabolic solar. Parabolic trough collector, energy, solar coordinates, thermal efficiency, meteorological and radiative. Because of the small scale of the project, actual use of the parabolic trough to heat water would not be.
Design, construction, and test of a miniature parabolic. Design and sizing of solar thermal power plant stpp in egypt. 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. Analysis of internal helically finned tubes for parabolic trough design by cfd tools. After conducting more research on solar energy and solar collection, the decision was made to attempt to build a parabolic trough solar concentrator. This can heat water safe to drink or make steam for electricity. For example, food may be placed at the focal line of a trough. Simplified methodology for designing parabolic trough.
The parabolic trough collectors ptc consist of solar collectors mirrors, heat receivers and support structures. Innovative technology solutions for sustainability. To enhance the heat transfer in a parabolic trough solar collector by using zno water as nanofluid with different volumetric concentrations and. We would like to acknowledge the contributions of the core team that helped organize the roadmapping workshop and further developed the strategy that emerged from the workshop. A receiver tube running in the center and the length of the trough is the focus point on which the sun generates. As per the literature serve carried out most of them are working on hightemperature applications.
Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. The efficiency and cost of the parabolic trough collector designs is influenced by structural stiffness, choice of materials, assembly tolerances, mirror cleanliness and wear. Pdf design analysis of solar parabolic trough thermal collectors. The fundamental characteristics of the performance of a parabolic. Collector is designed with simple parabolic equations.
Design of parabolic trough collector solar field for. Design and fabrication of parabolic trough solar water heater. Pdf design analysis of solar parabolic trough thermal. In the design it was considered the parabolic aperture of 0. 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. Reliable parabolic trough technology sopogys microcsp solutions are based on parabolic trough technology the most commercialized, proven and bankable solar thermal technology. The equipment which is made up of the reflector surface curved mirror, reflector support, absorber pipe and a stand. 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.
Our aim is to design a novel parabolic trough collector which is useful in lowtemperature applications like domestic water heating. Parabolic trough is a type of solar thermal collector that works by focusing sun rays onto a tube with circulating heat transfer fluid it represents an active energy converting system. In this design the trough aperture is required to accommodate a glass cover. 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. Diy parabolic trough mirror made in 20 minutes stainless. Oct 21, 2010 diy parabolic trough mirror made in 20 minutes stainless steel mirror free energy from the sun. Design and analysis for 1mwe parabolic trough solar collector plant based on dsg method. Method of a given focus and directrix was employed in the construction of the parabolic dish. Manual making of a parabolic solar collector gang xiao. The authors believe that the parabolic trough technology roadmap represents an important milestone in helping to advance the state of parabolic trough technology.
Design, construction and testing of a parabolic solar steam. The efficiency of the solar trough is dependent on many variables some of which are trough structural design, material selection, and wear figueredo, 2011. Design of a 25 mwe solar thermal power plant in iran with. Parabolic trough collectors can also drive absorption cooling systems or other equipment that runs off a thermal load. University of south florida design, construction and. The andasol plant, the first parabolic trough power plant in europe, uses direct steam. Design and fabrication of parabolic trough solar water. The design was done using computeraided design and manufacturing.
A parabolic trough solar power plant simulation model. Jan 23, 2020 the current paper entitled design, modeling and optimization of a dual reflector parabolic trough concentration system basing on ray tracing 3dimensions. Energy equations for computation of parabolictrough. Due to restrictions of cost and space, a miniature version of typical parabolic troughs used today was made. Parabolic trough collector overview notes on a bit of history, development after luz, and a recent surge in trough collector technology offerings dr. Design of a parabolic trough solar collector using a. Design of parabolic trough collector solar field for future solar thermal power plants in algeria b. Most current solar thermal power plants uses a parabolic trough design called luz system ls1, 2 and 3 collectors. To enhance the heat transfer in a parabolic trough solar collector by using znowater as nanofluid with different volumetric concentrations and. This paper presents the design and sizing of a parabolic trough solar thermal electric power plant with a net capacity of 1 mw using direct steam generation in one of suez suburbs in egypt. In diffused light, there is an inability to focus sunlight efficiently and the output decreases dramatically. Unesco eolss sample chapters solar energy conversion and photoenergy systems vol.
The closed parabolic trough will reduce convective heat loss from the absorber tube to the ambient air medium 14. Study of organic trust pdf a simple parabolic trough solar collector tested under the local. Sep 03, 2010 utility scale parabolic trough solar concentrators harness the suns energy to make steam for electricity generation. Phoenix spaceframe design reduced solar field cost by 10% aluminum and steel versions allow commodity hedge against metal prices development effort created new design, analysis and testing capabilities midterm collector.
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. The theoretic design principle of a closed parabolic trough box can be found in 1. For example the skytrough utilizes single, lightweight reflector panels that slide into place, rather than the previous reference trough design. 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. The performance of parabolic trough solar collector ptsc has been evaluated using different heat transfer working fluids.
Parabolic trough designs everything about solar energy. The main objective of this research work is to develop a simplified design procedure of a parabolic trough solar field for a specific thermal load. The trough is parabolic along one axis and linear in the orthogonal axis. A parabolic trough is a type of solar thermal energy collector used in csp plants concentrated solar power. Solar parabolic trough uses mirrored surfaces curved in a linearly extended parabolic shape. Then, an experimental ptc system setup is established with a concentration ratio of 9.
Turchi national renewable energy laboratory, 1617 cole blvd. The parabolic trough solar technology is modeled using the methodology developed by stine and harrigan 6. Parabolic troughs have concentrated solar power, heats water fluid up to 400 degrees c. Department of engineering of materials university of dr. The collectors reflect the incident solar radiation onto its focal line toward a receiver that absorbs the concentrated solar energy to raise the temperature of the fluid inside it as shown in fig. Thermal output patterns of designed solar field, under local environmental conditions, have been obtained through. 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. At the end, the efficiency of the generation of electricity with parabolic trough power plants. The model is capable of modeling a rankinecycle parabolic trough plant, with or without thermal storage, and with or without fossilfuel backup.
Design of a parabolic trough solar collector using a concentrator with. Parabolic trough solar concentrating systems are parabolic shaped collectors made of reflecting materials. Design and analysis for 1mwe parabolic trough solar. The isccs is a new design concept that integrates a parabolic trough plant with a gas turbine combinedcycle plant 2,3. Solar cells can provide some output even in diffused light, not so the case in solar parabolic troughs. Such power plants use curved mirror troughs which concentrate the sunlight onto a. The main advantage of this design is easy assembly and maintenance. Parabolic trough power plants constitute the biggest share of the installed concentrating solar power technology. The current study presents a numerical and realtime performance analysis of a parabolic trough collector ptc system designed for solar airconditioning applications. Many researchers were working on designing trough to improve the efficiency of the collector. 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. The isccs has generated much interest because it offers an innovative way to reduce cost and improv e. Nowadays, parabolic trough solar thermal plants are prevalent around the world. A vast area will be economically unreasonable whereas a small area will mainly.
Therefore, the focal length is required to be less than the parabola height fig. The design and fabrication of parabolic trough solar water heater for water heating was executed. Parabolic trough collector, a novel design for domestic water. Parabolic trough collector cost update for the system. Department of energy doe has adopted the planning method known as technology roadmapping for much of its program development.
Pdf this paper presents a stepwise approach for designing a parabolic trough solar collector system, which is the fastest growing. Mit, bulandshahr vgi, greater noida vgi, greater noida. There are good designs here that can be built on a budget and without exceptional mechanical skills. The operating temperature of the system is in the range of 500700k and the geometric concentration ratio of the parabolic trough system is in the range of 30100 table 8. Candidate, asme student member school of mechatronics engineering harbin institute of technology 150001 harbin, china. Thestages of design, modeling, and evaluation of a parabolic trough collector ptc for heating water as a demonstrative prototype are presented. Design, simulation and manufacturing of an integrated. Our aim is to design a novel parabolic trough collector which is useful. Recent studies that analyze the deployment of solar. Parabolic trough design solar energy water heating. Design and analysis of hydraulically driven actuation system. 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.
Simplified methodology for designing parabolic trough solar. Abstract this paper has analysed the effect of the utilization of internal finned tubes for the design of parabolic. Proceedings of the 2nd world congress on mechanical, chemical, and material engineering mcm16 budapest, hungary august 22 23, 2016 paper no. Design, construction and evaluation of parabolic trough. Duanes redrok site is information central for diy heliostats and concentrating solar collectors. Medium temperature solar concentrators parabolictroughs. Initially, a thermodynamic model of ptc is developed using engineering equation solver ees having a capacity of around 3 kw. Pdf design and construction of a parabolic trough solar. I medium temperature solar concentrators parabolictroughs collectors e. Development of simulation and design methodology for parabolic trough and parabolic dish the objective of the task one is to develop a simulation and design methodology for the parabolic trough and parabolic dish based technologies for florida conditions. Parabolic trough, trnsys, simulation, rankine cycle, solar irradiance, parabolic trough collector is the most proven. Abstract parabolic trough collectors are used for industrial applications in a temperature range 150400 oc. The currently dominant design of parabolic trough for solar power. In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe.
Design and simulation of solar parabolic trough with trnsys. Parabolic trough solar concentrating systems are an advanced and matured technology. The systems design as a modular system is cost effective at smaller scale, allowing us to serve customers with power generation needs. Made from galvanized steel to support its torquetube structure, luz collector represents the standard design. Using direct steam eliminates the need for a heat transfer medium, and can reduce costs and enhance efficiency by 1520%. What are central parameters in the design of a parabolic trough power plant. The resulting graphs well describe the variations of various outputs of the solar field and help to predict the performance of the plant. Parabolic trough power plants use a curved, mirrored trough which reflects the direct solar radiation onto a glass tube containing a fluid also called a receiver, absorber or collector running the length of the trough, positioned at the focal point of the reflectors.
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