Nnparabolic trough solar collector pdf free download

Parabolic trough collector ptc tubular 1545 60300 cylindrical trough collector ctc tubular 1050 60300 twoaxes tracking parabolic dish reflector pdr point 100 100500 heliostat field collector hfc point 1001500 1502000 note. Thanks to this unique crosstechnology expertise, soltigua can deliver to its clients. It reflects the solar radiation and transfers it to the receiver tube. It is a smallsize concentrating solar collector, with a reflective mirror surface under the form of a parabolic cylinder which concentrats the sunlight to. Parabolic trough systems are the most used concentrated solar power technology. The solar energy has been the most favorite renewable energy source in the present. Parabolictrough solar collectors and their applications. Parabolic trough collector solar cooling parametric analysis. A wide variety of vacuum tube for parabolic trough collector options are available to.

Parabolic trough collector, cfd, solar tracking, coating acrylic tube, annular tube, solar energy. 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. In these plants, large fields of parabolic trough collectors supply the thermal energy used to produce steam supplied to a rankine steam turbinegenerator cycle to produce electricity. In this paper an experiment platform of a parabolic trough solar collector system ptcs was.

Patented parabolic trough reflectors, uses the latest technology. This is a pdf file of an unedited manuscript that has been accepted fo publication. The results of the evaluation to determine the thermal performance of the parabolic trough collector have a maximum outlet temperature of 47. Generation of a parabolic trough collector efficiency curve. 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 solar collector technology is currently the most proven solar thermal collector technology. Collector efficiency is defined as the ratio of energy collected by the working fluid to the direct normal solar radiation incident upon the collector aperture. 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. The incident solar radiation falling on the collector is utilized for pipe heating. Solar energy currently represents the most abundant, inexhaustible, nonpolluting, effective and free energy resource available in almost all parts of the world safari and gasore, 2009. All four parabolic troughs together are heating our water heater tank to the max. Performance simulation comparison for parabolic trough solar. Medium temperature solar concentrators parabolictroughs. 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 solar collector was entirely manufactured by them. Article information, pdf download for performance evaluation of parabolic trough solar collector with. In a parabola all of the incoming rays from a light source. Concentric solar collector solar collector solar collector types parabolic trough solar collector solar collector g d rai khanna publications book of parabolic trough solar collector parabolic trough solar collector design fog collector the collector bone collector coin collector cayde 6 collectors box death of an art collector model.

Inspired by george plhak and daniel rojas greenpowerscience, this parabolic trough solar water heater is to be one in a bank of four to heat about 80 gallons of water. Parabolic trough collector, energy, solar coordinates, thermal efficiency, meteorological and radiative. Sep 03, 2010 utility scale parabolic trough solar concentrators harness the suns energy to make steam for electricity generation. Solar energy generating systems segs is the name of the worlds largest parabolic trough solar thermal electricity generation system, developed by luz in southern california, usa.

Highlights linear fresnel collector and parabolic trough are compared in this study. It is used to predict the performance of a given parabolic trough and compare competing technologies. Design of a parabolic trough solar collector using a. Concentration ratio is defined as the aperture area divided. The experimental evaluation of the efficiency of first law in a ptc as the solar angle of incidence changes around the noon is presented in this paper. It is noted for its high reliability than other systems and allows more energy generation than other renewable resources. Simplified methodology for designing parabolic trough.

It is typically determined by testing a collector over a range of high temperatures. Main reflective materials that are used include silver and alluminium, which are normally placed on a glass plate. If there is vacuum less than 1 torr in annular space, the heat transfer will be free molecular convection 5. In spain, there are three power plants namely andasol 1, andasol. Steadystate wind loading on parabolic trough solar collectors. The use of parabolic trough collectors for solar cooling a case. Solar thermal technology is based on a simple principle to generate electricity in a clean manner. Comparison of linear fresnel and parabolic trough collector. Pdf modelling of parabolic trough direct steam generation. This article offers an illustrated description of a method to produce a closed parabolic trough solar energy collector box based on the elasticity of the material. Direct steam generation is considered for both collector types.

Experimental study on a parabolic collector assisted solar desalting system. 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 solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. As a key component of a parabolic trough solar collector, its thermal and optical performance as well as. Numerical modelling of a parabolic trough solar collector. To determine the optimum design and operation of the parabolic trough solar collector throughout the year, an accurate estimation of the daily performance is. Parabolic trough collector free download as powerpoint presentation. This paper presents an overview of the parabolictrough collectors that have been built. I medium temperature solar concentrators parabolic troughs collectors e. 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. International conference on solar heating and cooling for buildings and industry study of applications of parabolic.

In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. See who you know at absolicon solar collector ab, leverage your. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. It is sold as a disassembled flat kit at very low prices. They identified aluminium sheet as cost effective material to use as reflector. Feb 08, 2017 inspired by george plhak and daniel rojas greenpowerscience, this parabolic trough solar water heater is to be one in a bank of four to heat about 80 gallons of water. This article offers an illustrated description of a method to produce a closed parabolic trough solar energy collector box.

This is primarily due to the nine plants operating in californias mojave desert since the mid1980s. It is intended for the array to be used not just for a. Keywords parabolic trough solar collector, solar tracking tilt sensor. Performance simulation comparison for parabolic trough. An evacuated tube consists of two glass tubes made from extremely strong borosilicate glass. Redressable parabolic trough solar collector back to home. 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. Design, construction, and test of a miniature parabolic. Parabolic trough solar collector water heater 6 youtube.

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. A wide variety of parabolic trough solar collector options are available to you, such as pressurized, nonpressure, and evacuated tube. The solar energy has been the most favorite renewable energy source in the present times. Simplified methodology for designing parabolic trough solar. This parabolic trough 73% efficient solar power world. Particularly for a closed system, this unfavorable weather condition leads to the variation in the outlet temperature of parabolic trough solar collectors. Modelling of parabolic trough direct steam generation solar collectors article pdf available in solar energy 626. Numerical simulation of a parabolic trough solar collector with n on uniform solar flux conditions b y coupling fvm and mcrt method, solar energy, vol. Modelling of solar thermal power plant using parabolic. Energy equations for computation of parabolictrough. Pdf an overview on parabolic trough solar collector. Energy equations for the computation of parabolictrough collector efficiency using. The fundamental characteristics of the performance of a parabolic trough solar collector are its concentration ratio and its optical efficiency.

The main element of a parabolic trough power plant is the solar field, which provides steam for conventional steam turbines. Design support system for parabolic trough solar collector. The operating performance and optical efficiency of the parabolic trough solar collectors ptcs are different in different regions and different seasons. Abengoa solar parabolic trough collector technology. Parabolic trough collector cost update for the system. Parametric study of solar parabolic trough collector system.

After conducting more research on solar energy and solar collection, the decision was made to attempt to build a parabolic trough solar concentrator. Generation of a parabolic trough collector efficiency curve from separate measurements of outdoor. It is designed to track the sun in a dual axis movement mode. It is a smallsize concentrating solar collector, with a reflective mirror surface under the form of a parabolic cylinder which concentrats the sunlight to a receiver tube located at the focus line. All four parabolic troughs together are heating our water heater tank to the maxallowed 155 degrees f 68c on a typical texas day and then the. Breakeven cost for the linear fresnel are determined for several cases. Parabolic trough collector cost update for the system advisor. Heat transfer analysis and modeling of a parabolic trough solar. The outer tube is transparent and allows sunlight to pass through with minimal reflection. A solar thermal collector collects heat by absorbing sunlight. Government and alliance retain a nonexclusive royalty free license to publish or reproduce the. Study of applications of parabolic trough solar collector. Jan 28, 2010 developing solar thermal power technology in an effective manner is a great challenge in china. The assumed solar field area in both cases was about 1.

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. Innovative technology solutions for sustainability. Thermal performance of parabolic trough solar collectors. Designing a ptc for a specific working condition requires determination of several parameters and referring to a number of design standards and handbooks. Both concentrating collectors are operated in a 50 mw solar thermal power plant. What is described here is basically a manual method to make high efficiency solar collectors against very low cost, which is particularly suited for teaching, research or.

This is done in largescale power plants with a capacity of up to 250 megawatts per plant. Solar thermal evacuated tube collector parabolic trough. As a key component of a parabolic trough solar collector, its thermal and optical performance as well as performance reliability determines the efficiency and economy of a parabolic trough power generation system. Sep 15, 20 we have completed the parabolic trough system. Experimental investigation on a parabolic trough solar. In this paper an experiment platform of a parabolic trough solar collector system ptcs was developed for thermal power generation, and the performance of the ptcs was experimentally investigated with synthetic oil as the circulate heat transfer fluid htf. Flat plate versus evacuated tube solar collectors pdf. In a parabola all of the incoming rays from a light source in this case the sun are reflected back to the focal point of the parabola. The research team performed a bottomup build and cost estimate for two stateoftheart parabolic trough designsthe skytrough and the ultimate trough. A precision made parabolic trough can focus more solar on a receiver. Aldo agraz and angel mejaa made a technical and economical analysis of a parabolic trough solar collector respectively as their thesis project 1,2. The application of parabolic trough collector ptc technology is a clean and new way to produce industrial process heat. A parabolic trough solar collector uses a parabolic cylinder to reflect and concentrate sun radiations towards a. In this paper, two different reflective surfaces are used to increase the.

Generation of a parabolic trough collector efficiency. A wide variety of vacuum tube for parabolic trough collector options are available to you, such as type, application, and pipe material. This paper presents an overview of the parabolictrough collectors that have been built and marketed during the past century, as well as the prototypes currently under development. What is described here is basically a manual method to make high efficiency solar collectors against very low cost. A parabolic trough is a one dimensional parabola that focuses solar energy onto a line. A precision made parabolic trough can focus more solar on a receiver tube collector resulting in creating more solar energy. Manual making of a parabolic solar collector internet archive. Performance evaluation of parabolic trough solar collector with solar. Parabolic trough collector water heating efficient. Modelling of solar thermal power plant using parabolic trough. The fundamental characteristics of the performance of a parabolic trough. Cnc precision is used in the process of making our parabolic troughs.

Csiro has built a solar thermal parabolic trough collector field which will produce 80kw th at wm2 beam irradiation at temperatures up to 280oc. Efficiency curves analysis of a parabolic trough solar. Developing solar thermal power technology in an effective manner is a great challenge in china. 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. For the thecnical analysis, the ashrae 93 standard was used. I tried to show what a determined person can do with ordinary tools and materials, a good hardware store and a bit of perseverance a high performance do it. Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. Parabolic trough receiver solar collector manufacturer. Heat transfer analysis and modeling of a parabolic trough. Analysis and design consideration of solar steam generation plant using parabolic trough collector.

Designing a ptc for a specific working condition requires. Evacuated tubes absorb solar energy and convert it into heat for use in solar power applications. Engineering and manufacturing solar collectors design and construction models properties solar power plants. The operating performance and optical efficiency of the parabolic trough solar collectors ptcs are different in. 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. Brief introduction parabolic trough receiver is also known as heat collecting element hce. The research team performed a bottomup build and cost estimate for two stateoftheart parabolic trough designsthe skytrough and the.

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