The nearterm, 2015 case looks at two different configurations. Novel lowcost parabolic trough collector structures. Adding a new parabolic trough to the collector library was created by mithras csp hello everybody, is there a way to define a new parabolic trough with its geometry and its optical properties to the standard library. This paper presents the design, construction and investigates an experimental study of a parabolic trough solar collector. A parabolic trough solar collector uses stainless steel sheet in the shape of parabolic cylinder to reflect and concentrate sun radiations towards an absorber tube made of g. Test results, industrial solar technology parabolic trough. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. Wind loads on heliostats and parabolic dish collectors. Cnc precision is used in the process of making our parabolic troughs. In portugal the increase in the production of electricity with origin in renewable sources has been achieved based on hydric and wind resources, but the sun has been underexploited. The parabolic trough collectors ptc consist of solar collectors mirrors, heat receivers and support structures. Method of a given focus and directrix was employed in the construction of the. In concentrating solar power technology, the optical efficiency of solar.
Trnbuild is used to create the description file of the block. Assessment of dry cooled parabolic trough csp plants 1 evaluation of dry cooling option for parabolic trough csp plants including related technical and economic assessment case study csp plant in maanjordan by ahmad abdellatif mohammad liqreina a thesis submitted in partial fulfillment of the requirements for the degree. Solar power can be transmitted through grid either from solar photovoltaic or solar thermal technology. Parabolic trough collector testing citeseerx mafiadoc. Patented parabolic trough reflectors, uses the latest technology. Thermal efficiency analysis of skyfuels advanced, large.
In 1982, luz international limited luz developed a parabolic trough collector for iph. This is a pdf file of an unedited manuscript that has been accepted for publication. Appl august, 2019 numerical analysis of heat transfer enhancement in a parabolic trough collector based on geometry modifications and working fluid usage. Parabolic trough collector, testing, standards, thermal efficiency introduction the thermal performance of a solar collector is of major interest to all parties, e. Design, construction and testing of a parabolic solar. The method, comprised of measuring the position and orientation of the airborne camera relative to each collector module and of. The aim of this study was to investigate the technical and economic aspects of parabolic trough performance in jordan. Pdf abstractsolar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector.
A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate. This file will be used as an external file for the type 56. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are. 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 solar trough parabolic trough collectors for. Design of a parabolic trough solar collector using a. The energy of 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. Mathematical modelling of a solar parabolic trough collector. 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. Modelling of solar thermal power plant using parabolic. 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. A solar collector is a device that collects andor concentrates solar radiation from the sun. Experimental study on the heat transfer characteristics of.
Parabolic trough power plants are the only types of solar thermal power plant technology with existing commercial operating systems. Performance evaluation of lowcost frp parabolic trough. Evaluation of dry cooling option for parabolic trough csp. I pipe located at the focus line of the parabolic trough collector. This line is called the focal axis of the parabolic collector. 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. This is the concave dish made of wood and lined with an aluminium sheet. Code for thermal analysis of parabolic collectors are used. As part of this effort, several configurations of an ist solar collector were tested to determine the collector efficiency and thermal losses with black chrome and black nickel receiver selective coatings, combined with aluminized film and silver film reflectors. Threedimensional numerical simulation of coupled heat transfer characteristics in the receiver tube is calculated and analyzed by combining the mcrt method and the fluent software, in which the heat transfer fluid and physical model are syltherm 800 liquid oil and ls2 parabolic solar collector from the testing experiment of dudley et al. The fields used the singleaxis tracking acurex collectors and the doubleaxis tracking parabolic trough collectors developed by m. Modelling and simulation of parabolic trough power plant.
This challenge becomes more difficult when dealing with the very large collector surfaces required. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. Solar parabolic trough solar parabolic trough name course number july23, 2017 faculty name solar parabolic. Modelling of solar thermal power plant using parabolic trough collector. Parabolic trough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. The technical aspect was addressed by developing an.
Solar collector and concentrator system can be used for industrial process heat application in various industries. Pdf evaluation of a parabolic trough collector performance g. Direct steam generation dsg in the absorber tube of a parabolic trough collector could reduce steam costs by increasing thermal output and reducing capital costs compared to existing technology. Heat losses from parabolic trough solar collectors heat losses from parabolic trough solar collectors mohamad, a orfi, j alansary, h. Demonstration of pilot scale large aperture parabolic. Solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. We study a design of closedbox parabolic trough concentrated solar collector. This paper describes the experimental results of the prototype parabolic trough made of fiberglassreinforced. Advanced lowcost receiver for parabolic trough solar power. A transient heat transfer model was established for the parabolic trough solar collector ptc in this study. Steadystate and dynamic validation of a parabolic trough. Analysis of annual performance of a parabolic trough solar collector. This report addresses the technical challenges of commercializing industrial dsg technology. They are basically unusually shaped mirrors parabolic in shape that focus the heat of the sun on a pipe carrying a special fluid.
Pdf parabolic trough solar collector design, construction and. Abstract the performance of a solar collector field is the main layout criterion for solar thermal power plants. One of the proven solar technology is the parabolic trough which can be utilized for electricity generation and solar cooling as well as for water desalination. Parabolic trough collector is currently having a higher number of installations compared to other concentrated solar power technology around the globe. A diagram of a parabolic trough solar farm top, and an end view of how a parabolic collector focuses sunlight onto its focal point. Design, construction and testing of a parabolic solar steam generator joshua folaranmi 120 parabolic dish. Numerical simulation of a parabolic trough solar collector for hot water and steam generation aip conf.
Pdf an overview on parabolic trough solar collectors. Adding a new parabolic trough to the collector library. Olive leafsynthesized nanofluids for solar parabolic trough collectorthermal performance evaluation j. For example, food may be placed at the focal line of a.
These collectors are generally mounted on the roof and must be very sturdy as they are exposed to a variety of different weather conditions. A precision made parabolic trough can focus more solar on a receiver tube collector resulting in creating more solar energy. Performance evaluation of solar parabolic trough collector. A typical array of solar collectors is seen opposite. Analysis of nanofluidbased parabolic trough collectors. Parabolic trough collectors are frequently employed for solar steamgeneration because temperatures of about 300 can be obtained without any serious degradation in the collector s efficiency. The parabolicshaped mirrors are constructed by forming a sheet of reflective material into a parabolic shape that concentrates incoming sunlight onto a central receiver tube at. This work and the related pdf file are licensed under a creative commons attribution 4. It has an aperture area of the receiver of a parabolic trough collector is linear. Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. Energetic and exergetic investigation of a parabolic. The fundamental characteristics of the performance of a parabolic trough solar collector are its concentration ratio and its optical efficiency. Reducing the cost of energy from parabolic trough solar.
These devices are primarily used for active solar heating and allow for the heating of water for personal use. Parabolic trough solar concentrating systems are an advanced and matured technology. Numerical modelling of a parabolic trough solar collector. The temperature of the fluid in the pipe increases as it flows down the pipe, along the solar collectors. Each typical parabolic trough collector assembly has a. Parabolic trough solar collectors utilize a heat transfer fluid htf that flows through the receiver collecting and transporting solar thermal energy to the power.
A solar thermal collector collects heat by absorbing sunlight. By accepting an optical loss of a few percentages due to reflections by the cover, this design offers several advantages over the current open model, in particular a potential of significant cost reduction. 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 that are operating in the california mojave desert. Flatplate collectors are not appropriate for these high temperatures. 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. Stateoftheart heat transfer fluids for parabolic trough. Performance analysis for parabolic trough collector fields core. They identified aluminium sheet as cost effective material to use as reflector. Energetic and exergetic investigation of a parabolic trough collector with internal fins operating with carbon dioxide, international journal of energy and environmental engineering, 2017, pp. The selected solar collector technology the large was aperture trough lat parabolic trough solar collectors produced by gossamer space frames gsf. The target of the national solar mission is to build up india as a worldwide pioneer in solar energy generation. 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. Parabolic dish collectors do not have symmetric wind loads on the front side and the back side front side or backside load refers to the case of wind impinging on the front mirrored or back side of the collector as is the case for the flat plates.
The performance of a parabolic trough concentrator for outlook attached pdf file word opens solar. Parabolic trough solar water heating is one of several well proven solar. The analysis ofenergy costs using the parabolic trough concentrator is developed. Parabolic trough collector power plant performance. Heat losses from parabolic trough solar collectors deepdyve. In solar refrigerators, concentration collectors act as the heat source of the machine. Sandia national laboratories and industrial solar technology are costsharing development of advanced parabolic trough technology.