Collaborative work between nasa, the ballistic missile defense organization, and entech continued through the 1990s, culminating in the solar concentrator array with refractive linear element technology. Design of a solar concentrator for a pvt collector system. Pdf this paper gives an insight into the design of concentrating solar power csp systems. Advanced metering infrastructure ami networks are the foundation for smart grid deployments around the world. Design of semistatic solar concentrator for charcoal. The materials are easily obtainable and the design is simple and straight forward the concentrators can be made with readily available materials and simple tools.
See more ideas about solar, alternative energy and solar projects. Design of light concentrators for cherenkov telescope. They proposed an optical analysis of three dimensional. Spain is the leader in concentrated solar power technology, with more than 50 governmentapproved projects in the works. This new design achieves a more uniform incident irradiance distribution on the bottom surface and it is, at least, 18. The design of concentrator depends on the amount of a water to be evaporated intensityand the and variation of solar radiations available over a day. Jun 04, 2015 solar concentrator overview dubai abdullah nasir. In this work we are concerned with the design of a so lar energy storage unit for a standalone solar energy concentrator, driving a double effect absorption chiller system to cool a two floor house in a hot desert environ ment. In order to ensure that the solar concentrator works efficiently, they have to be placed in. The design and fabrication of concentrator are the key techniques to accelerate the application of photovoltaic systems. Changing concentrator size and focal distance is just a matter of mastering the basics of the rhinoceros cad suite and installing some plugins.
Design, construction and testing of a parabolic solar steam. The 9m solar concentrator solar dish blends rugged design with art and functionality. One important factor in the analysis of solar concentrators is the concentration ratio. Design of heat storage for a solar concentrator driving an. Meticulous attention to detail starts from the mechanical design stage. Telephone numbers or other contact information may be out of date. The theoretic design principle of a closed parabolic trough box can be found in 1. The design and performance of each concentrator will be explained and compared. Building integrated compound parabolic photovoltaic. The design and performance study of this collecting device, happens in two stages. The principal elements of a solar concentrator are a rigid supporting unit and a mirror or lens part. The increase in investment would be from 2 billion worldwide to 92. Design and analysis of rooftop linear fresnel reflector solar. Optical design and characterization of solar concentrators.
Recent research has resulted in the development of mathematical models to predict the performance of spiral concentrators. Parabolic solar trough concentrators and a linear fresnel concentrators are similar. Pdf design and study of portable solar dish concentrator. It is widely used as a reflecting solar concentrator. The concentrator consists of two fresnel lenses, one. This configuration does not require optical lenses. A distinct property that it has is that it can focus all the parallel rays from the sun to a single focus point, f as shown in figure 2. Concentrator costs are a major portion of the total costs of a solar thermal system. A sample concentrator is a fast and convenient way of concentrating multiple samples in a block heater at once.
Executive summary oxygen concentrators are a suitable and favourable option for administering point. The storage unit should be economical, highly ef ficient, reliable, and easy to build and maintain on site. An aluminum truss structure was attached as shown for support of the concentrator. Oxygen concentrator product manuals and user guides. The concentration ratio is defined as the ratio of the area of the aperture of the concentrator to the area of the receiver that is reflected upon by the concentrator. Mechanical design of a low cost parabolic solar dish concentrator. A wide variety of parabolic solar concentrator options are available to you, such as type, application, and pipe material. There are few procedures reported in literatures for test and evaluating solar concentrator performance which are base on sensible heating of few working fluids. To prevent reflection losses, the mirrors are used. A simple process control model for t spiral concentrators. This thesis presents advances in the design of solar concentrators. Solar concentrator design and construction sciencedirect. Phoenix is among the areas in the us that gets the most insolation incident sunlight each year.
Concentrator reflectors are straight mirrors with siliconecovered metal that are angled to capture sunlight rays. Hourly feed rate yearly feed service factor feed size. Spiral concentrators are compact, costeffective and generally efficient gravity concentration separators for a wide range of applications for example, coal, beach sands, iron ore, chromite and tantalite. The first step on a project is to lay out the general criteria. Optical design and characterization of solar concentrators for photovoltaics. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted by the earth is approximately 1. A solar concentrator uses lenses, called fresnel lenses, which take a large area of sunlight and direct it towards a specific spot by bending the rays of light and focusing them. About 33% of these are solar collector, 12% are solar energy system.
Pdf design of alpha stirling engine in conjunction with. Data concentrators integrated circuits and reference. In order to understand the design of different high temperature solar concentrators, this chapter gives an comprehensive insight into the fundamentals of optical concentration systems by introducing the definition of the concentration ratio and its limits and gives examples of imaging and nonimaging systems. Solar radiation energy to internal energy of transport medium.
It was concluded that structured reflectors are used at their largest benefit if they are applied in new concentrators designed for structures. Optical design of a static solar concentrator using fresnel lenses. Design and construction of the solar concentrator throughout this paper opticad software 11 is used in for the calculations. Design and analysis of a highefficiency, costeffective. The solar concentrator is the primary means of solving the contradiction between cost and photoelectric conversion efficiency. Highcapacity offgrid solar generator rev 4 wiring diagram, parts list, design worksheet duration. One of limitation of these procedures is requirement of precise operation condition during test. This software can perform raytracing and radiometric evaluations. Performance evaluation of an enhanced fruit solar dryer using. These projects have been done by research centers, universities and companies to design and to analyze the reliability and the performance of solar concentrator.
Renewable energy resources, solar energy, solar concentrator. Based on the study of the compact linear fresnel re ector concentrator etenduematched clfrem, this thesis developed optical solutions based on the simultaneous multiple surface method sms and new approaches of analysis of the characterizing parameters of a solar. New solar concentrator design cheaper solar concentrator with fewer photovoltaic cells a new solar concentrator design from an electrical engineering ph. Concentrated solar power csp, also known as concentrating solar power, concentrated solar thermal systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight onto a receiver. The use of solar energy requires optimizing each part of a photovoltaic system. A novel type of composite concentrator is designed, including two mirrors and one planar lens. It works by blowing nitrogen in the surface of the sample whic. Optical design and characterization of solar concentrators for photovoltaics 4 ruption of the translational symmetry when the microstructured reflectors were introduced. Mit solar concentrator improves solar cell efficiency and.
Here, we present a design and experimental study of solar dish concentrator built using al foil wrapped around flat hexagonal cardboard petals. The study experimentally compares the differences in dryer performance between the csp and the control designs. The basic design of several types of csp system is. Solar concentrators improve the performance of solar collection systems by increasing the amount of usable energy available for a given collector size. Solar concentrators an overview sciencedirect topics. Solar concentrator pdf concentrators require direct solar illumination, and the optics or mirrors must move during. Concentrator costs constitute a similar percentage of dishengine systems. It will also analyse on some of the existing solar concentrators used in the solar technology for the past four decades. Design and machining of fresnel solar concentrator surfaces article pdf available in international journal of precision technology 34.
The study found that concentrated solar power could account for up to 25% of the worlds energy needs by 2050. In the second stage, we evaluate the performance of this device in asap. Some people use the same principle when they use a magnifying lens to focus the suns rays on a pile of kindling or paper to start fires. The nitrogen sample concentrator is used for concentrating or preparing samples in batches. The design and performance of each concentrator will be. This in combination with the heat from the block heater below produces ideal conditions for. This design uses nonimaging optics and therefore does not require daily tracking, only some seasonal tracking. Medium temperature concentrators for solar thermal. Instead of using traditional sun light sensors or inclinometers to determine. The details of the model used to simulate the solar radiation are explained elsewhere 12. New solar concentrator design nsf national science. Design and construction of high efficiency fiber optic.
Optical design and characterization of solar concentrators for. Solar concentrators could bring down the total cost of the solar cell, thus making the solar technology cheaper and affordable, but at the same time does not compromise the overall performance of the solar technology. Solar concentrator article about solar concentrator by the. The largest compositetype solar concentrator, with a mirror surface of 20,000 sq m, has been planned in the ussr for a solar thermal power plant. Pdf design and machining of fresnel solar concentrator. Mechanical engineering in recent decades, solar energy has been shown as a viable, clean, and abundant alternative to fossil fuels. Lowcost concentrating solar collector for steam generation. Sep 05, 2012 one startups solar concentrator prototype uses a telescope design to focus the energy in sunlight by a factor of, while its enclosed design can also capture thermal energy.
Utilising a simple gas delivery system the sample concentrator passes an inert gas over the surface of your samples via stainless steel needles. For commercial exploitation of the method or product, please contact the author. Heliostats are tracking mirrors that reflect solar energy onto a fixed target. Advance design mic new portable white mini oxygen concentrator product features 1. The fixed focus concentrator are successfully used for medium temperature application in different parts of the world. Lower power consumption,saving the operation cost 3. This is partly due to the latitude and party due to the dry climate and therefore low humidity and low rainfall. It is used in processes such as drug screening, hormone analysis, liquid phase and mass spectrometry in the analysis of sample preparation. Pdf design of inflatable solar concentrator semantic scholar. Each design has its own advantages and disadvantages.
In the first stage, we design the curve of the reflector in a meridian plane 2d using a simple geometrical model of the led. Design and fabrication of composite solar concentrator. Design of axisymmetrical tailored concentrators for led. Then the light is directed into optical fiber through which solar energy travels. Design, construction and testing of a parabolic solar steam generator joshua folaranmi 116 when solar energy is mentioned anytime, the sun readily comes to mind, so it is justifiable to discuss in brief the physical and chemical behaviours of the sun before its application to heating. Technical specifications for oxygen concentrators 5. More bang for your buck solar concentrators do what you might expect, concentrate solar light. Optimization of the concentrator entails selection of proper material and the size and shape of the concentrator. A 14 m2 berglass parabolic concentrator was made at sesec to ensure simplicity of production and operation. The solar concentrator has been tested for 6 years in harsh winter climates to desert conditions to. But the patent assignee allows royaltyfree manual use of this method for nonprofit purposes. A vast amount of research is currently focused on perfecting each of these areas. Design, development and performance evaluation of various types of building integrates compound parabolic concentrator in 2000, zacharopoulos et al showed that an asymmetric concentrator is more suitable for use on building facades.
Solar concentrators, parabolic reflectors, photovoltaic cells. View and download pdf product manuals and user guides for the sequal equinox portable oxygen. The data in the manual were modeled using hourly values of direct beam and diffuse horizontal solar radiation from the national solar. Solar fire provides detailed plans and howto instructions for building three different sizes of concentrating solar collectors. Stress point simulation is performed on all major components to ensure maximum strength and durability. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 716 fig. Data concentrators play a key role in ami networks as they are the point of interaction between the utilitys central operations network. Materials and methods construction of the solar dryer with concentrating panels the mixedmode solar dryer and the concentrating solar panels used in this study are shown in fig. The cavity type receiver was lled with sodium nitrate to act as a heat storage and transfer medium.
Usually they are large mirrors or other devices, but the. Tyler heagney, andrew schiller, matthew gaide affiliation. The graduate student, jason karp and his colleagues at the uc san diego jacobs school of engineering presented. The concentrator then directs the sun rays into the middle of the reflector mirror where the solar cell is located. The concentrator was coated with a highly re ective polymer lm. Designs of solar concentrators article pdf available in fme transactions 472. Solar concentrators rensselaer polytechnic institute. A new solar concentrator design from an electrical engineering ph. Among the solar concentrators, parabolic dishes have the highest efficiency in the conversion of solar energy to electricity with an efficiency of 29.
Nitrogen evaporator sample concentrator for 12 samples. This page concentrates on providing links, information and plans for build it yourself concentrating collectors and heliostats. Thermal considerations in the design of solar concentrators. Planning actually begins when the project is only a prospect and it involves the years of experience of many people because their expertise influences the final decisions. View and download pdf product manuals and user guides for the sequal eclipse 5 portable oxygen concentrator sequal equinox manual and user guides. A variation on this concept would be a biparaboloid fresnellike arrangement of flat mirrors, similar to the example above. A new collector design with an effective concentration of 1.
A wide variety of solar concentrator options are available to you, such as vacuum solar collector, manifold collector, and plate. Design and analysis of a highefficiency, costeffective solar concentrator john h. Advanced reflector materials for solar concentrators. Planning for a project does not start with the announcement of the approval for a project. Electricity is generated when the concentrated light is converted to heat solar thermal energy, which drives a heat engine usually a steam turbine connected to an. Tracking mechanism design for an offaxis parabolic solar concentrator gordon ungruh.
Jun 04, 2015 tracking mechanism design for an offaxis parabolic solar concentrator gordon ungruh. Robust, inexpensive, manufacturable designs possible. This material is available primarily for archival purposes. Based on the study of the compact linear fresnel reflector concentrator etenduematched. Apr 22, 2010 a new solar concentrator design from an electrical engineering ph. One startups solar concentrator prototype uses a telescope design to focus the energy in sunlight by a factor of, while its enclosed design can also capture thermal energy. On the other hand, the intermittent and inconsistent nature of the solar energy with the significant seasonal variations in the intensity has urged the research and development of concentrating solar systems with advanced tracking devices to maximize the amount of solar energy produced and improve the overall efficiency. Concentrating solar collectors use shaped mirrors or lens to provide higher temperatures that flat plate collectors. Design, construction, and test of a miniature parabolic. The completed concentrator was trimmed to a diameter of 46.
For example, the heliostats used in powertower systems are projected to account for about 40%50% of the total cost of the power plant. Diy solar concentrator instructions released by energytorrent. Concentrated solar power csp systems, are systems that use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area. Solar concentrator they function on the idea of focusing a bundle of sunlight on a small area with the assistance of a mirror or optical equipment. We present an optical design for a static solar concentrator for a photovoltaic cell scpv.
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