New adaptive method to optimize the secondary reflector of. Fresnel software is in the process of bringing to market, a stateoftheart, project management software platform, initially focused on the telecom industry. The design allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design. Segmented reflector design optical software, engineering. Method 1 eyeballing to get optimum reflector angle. Progress in the design and the applications of linear. The fresnel design uses less expensive reflector materials and absorber. Design a fresnel lens photopia optical design software. This video presentation showcases the design and manufacturing process of historic fresnel lens reproductions use to illuminate lighthouse in the mid to late 1800s. The steps are angled in such a way as to concentrate sunlight at the cooking pot as it passes through the lens. Secondary optics design considerations for superflux leds.
Pdf progress in the design and the applications of linear fresnel. Experimental analysis on linear fresnel reflector solar. Its more than enough to burn holes in construction paper, but well be using a microwave. The motional design and analysis for linear fresnel reflector. Solarpaces is a program of the international energy agency, and the database includes csp plants that are operational, under construction, and under development. Laser simulation and solidstate resonator design software. Analytic optical design of a linear fresnel solar collector journal of.
Design and analysis of a highefficiency, costeffective solar concentrator. Valan, experimental analysis on linear fresnel reflector solar concentrating hot water system with varying width reflectors, case studies in thermal engineering, 10. The solar thermal power plant uses a standard linear fresnel optical design not clfr and has an electrical capacity of 1. Satyanarayana mechanical engineering department,k l university, guntur 522501 abstractmany applications of thermal energy, both in industrial and power sectors require medium temperatures ranging from 100c to 250c.
You can browse a project profile by clicking on the project name. Simply put, you pretend that your eye is the sun and you look at your reflector. The lens does not consist of a single polished piece of glass with spherical or other surfaces. Linear fresnel reflector lfr is one of the major concentrating solar systems. Pe 1 is situated in murciaspain and has an electric power of 1. In addition, the book presents a concise yet thorough.
In tracepro program, flat mirrors are assigned with reflectance of 95% and receivers are defined with absorptance of 0. The linear fresnel reflector main characteristics 2. The improved ability to use the fresnel approach delivers the traditional benefits of such a system, namely small reflector size, low structural cost, fixed receiver position without moving joints. A compact linear fresnel reflector clfr also referred to as a concentrating linear fresnel. Designing a reflector with applicationspecific software cad because reflectorcad was written for segmented reflector design, it contains modules that streamline the process. Linear fresnel reflector systems for solar radiation. Computer simulation of linear fresnel reflectors youtube. The principle of this lens is the breaking of the continuous surface of a standard lens into a set of surfaces with discontinuities between them. The fresnel design uses less expensive reflector materials and absorber components. Major components of lfr power generation include the liner reflective. The fresnel equations or fresnel coefficients describe the reflection and transmission of light or electromagnetic radiation in general when incident on an interface between different optical media. Introduction solar reflectors are significant tools to concentrate the solar. Etcs fresnel gives you the highperformance light output and energy savings of a source four and the lighting characteristics that only a fresnel optical system can provide.
Material and component specifications linear fresnel reflector. Technologies include parabolic trough, linear fresnel reflector, power tower, and dishengine systems. Theoretical elements for the design of a small scale linear fresnel. Fresnel reflector article about fresnel reflector by the.
For the full details of the design theory of the fresnel linear solar center. The fresnel system also provides a semi shaded space, which may be particularly useful in desert climates for agriculture. I recently purchased a small fresnel reflector for lighting fires while camping. Fresnel reflection calculator light trapping calculator refractive index of incident medium, n 1 refractive index of transmitted medium, n 2 incident angle. For example, the designer can define the base surface using a predefined bounded conic section, choosing the conic section curvature, width, and height, as well as the. Performance analysis of the solar linear fresnel reflector. Secondary optics design considerations for superflux leds introduction secondary optics are those optics which exist outside of the led package, such as reflector cavities, fresnel lenses, and pillow lenses. A larger scale version of this concept is created with a series of reflective concentric rings used to. Linear fresnel reflector lfr solar power generation fig.
The most common designs are linear fresnel reflector lfr and compact linear fresnel reflectors clfr. Jie he et all have developed an optical design of a lfsc 16. The linear fresnel reflector technology receives its name from the fresnel lens, which was developed by the french physicist augustinjean fresnel for lighthouses in the 18th century. Concentrating solar power csp projects that use parabolic trough systems are listed below alphabetically by project name. The accuracy of the simulation is directly influenced by the quality of the measured data. It includes theoretical analyses, computational tools, and mathematical formulae to facilitate the development, design, construction, and application of these systems. My question is how do you calculate the ideal distance from the. This tutorial assumes you know how to setup and run a photopia analysis inside of solidworks.
Lighttools is a 3d optical engineering and design software product that supports virtual prototyping, simulation, optimization, and photorealistic renderings of illumination applications. It has lower optical performance and thermal output but this is offset by lower investment and operation and maintenance costs. These systems lower cost and increase output by using absorbers that share mirrors. A fresnel lens uses the crosssections of the curvature of a convex lens, but flattens them onto planar surface. As i began my career in telecommunications construction, i had the opportunity to work on the frontlines of local access, fibernetwork deployment, while this technology was still in its. Linear fresnel reflector systems for solar radiation concentration offers a complete guide to designing linear fresnel reflector systems for concentrating solar radiation. Stecsp technologies linear fresnel reflector stela world. Fresnel lens a complex compound lens used in lighthouse and signal beacons. Dlr the first commercial fresnel power plant in europe, pe 1, was built by novatec solar ag at that time novatec biosol. Save the project by selecting file save as from the main menu, naming the project fresnel lens. Design and analysis of rooftop linear fresnel reflector solar concentrator k. They are named for their similarity to a fresnel lens, in which many small, thin lens fragments are combined to simulate a much thicker simple lens. Photopia optical design software works alone or is an addin to solidworks, allowing full optomechanical integration. Weve combined that classic system with a special etc dichroic reflector design, enabling the hpl 750w source four fresnel to equal the light output of w fresnel fixtures.
Design and machining of fresnel solar concentrator surfaces. Design an outdoor lens video design a tir collimator lens video faa aerospace setup. The linear fresnel reflector solar concentrating lfrsc field can be. A205 secondary optics design considerations for superflux leds application rief 2015 lumileds holding all rights resered. This concentrated light energy is then converted into thermal energy to heat a fluid in the pipe to a very high temperature. The principal design flaw, however, is that shading is produced from adjacent reflectors, lowering the overall output of the system. Stela world stecsp technologies linear fresnel reflector. A fresnel lens eliminates the bulk of a convex concentrating lens with the use of a series of angled steps in the front surface of an otherwise flat sheet of glass or plastic. The principle of this lens is the breaking of the continuous surface of a standard lens. In 1960s, giovanni francica italy firstly applied linear fresnel reflector lfr for development of linear and twoaxis tracking fresnel steam generating system 2, 3. The receiver of a linear fresnel reflector is placed at the common line focus of each reflecting surface so as to capture the solar radiation and transfer the same to the thermal medium used in the system. Optical design of linear fresnel reflector solar concentrators. Beginner tutorial 4 designing a fresnel lens with the.
Conventional linear fresnel reflector system only contains. Its unique design and analysis capabilities, combined with ease of use, support for rapid design iterations, and automatic system optimization, help to ensure. Zoom out by right clicking your mouse and selecting zooming zoom out or just click on the zoom out button on the toolbar. These mirrors are capable of concentrating the suns energy to. The formulae being iterative in nature are solved computationally using programs written in. A linear fresnel reflector works by utilizing the fresnel lens effect which was first developed by french physicist augustinjean fresnel. Design and machining of fresnel solar concentrator surfaces 365 figure 15 optical simulation.
The paper also includes a description of the software simulations executed including i solidworks for cad modeling, ii mathlab computational. A fresnel lens is a flattened version of a convex lens. 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 resulting fresnel reflector concentrates 117 times the normal solar radiation onto a small point. Linear fresnel systems and the future for concentrated. The software tonatiuh is used to generate a random solar radiation and to calculate the quantity of rays reflected by the primary mirror field and focused onto the. It is also important to state the design with fresnel lenses is not. Linear fresnel reflector, simulation model, receiver tube, incident angle modifier, concentrator efficiency 1.
In this tutorial you will design a narrow beam fresnel lens using the parametric optical design tools podt and the cree cxb18303000k cob led. A linear fresnel reflector is constructed by taking equal width strips out of a parabolic mirror and translating the strips on to a horizontal surface in such a way that all the strips have bases with the same y coordinate. Linear, as its focus is a line as opposed to a point, and fresnel as it is made of many small reflectors as opposed to a monolithic parabolic trough. The design of parabolic and fresnel reflectors is the subject of many academic articles, though very few put the complete csp systems into context with their physical location, published irradiance maps and turbidity conditions. The design of linear fresnel solar collectors lfsc follows the principle of the fresnel lens. Linear fresnel reflector an overview sciencedirect topics. From then on, lots of research was gradually carried out. Solar tracking error analysis of fresnel reflector. Design a fresnel lens in this tutorial you will design a narrow beam fresnel lens using the parametric optical design tools podt and the cree cxb18303000k cob led. Optimization of the secondaryreflector profile is an extremely challenging task because. Linear fresnel reflectors use long assemblies of flat mirrors to focus sunlight onto fixed absorber pipes located above them, thus capable of concentrating sunlight to as high as 30 times of its original intensity figures 1 and 2. Linear fresnel solar concentrator open source ecology.
A compact linear fresnel reflector clfr also referred to as a concentrating linear fresnel reflector is a specific type of linear fresnel reflector lfr technology. Linear fresnel reflectors lfr are also based on solar collector rows or loops. Optical design of compact linear fresnel reflector systems. Software for implementing frequencyresolved optical gating, a technique for measuring the timedependent intensity and phase of a femtosecond laser pulse. Optical performance assessment of a small experimental prototype. Fresnel reflector an overview sciencedirect topics. Optical design and performance characteristics of lfrcs employing equal. Energy3d simulations of linear fresnel reflector solar power plants around the world. It was developed in the early 19th century, as a way to reduce the amount of glass material needed to build a convex lens specifically for large lighthouse lenses. It has been called the invention that saved a million ships. Geometrical designs and performance analysis of a linear.
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