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. Solar collectors are one way of focussing the suns rays to heat up fluids. The solar collector described here has several usages, and changing the usage amounts simply to replacing the receiver tube. Manual making of a parabolic solar collector by gang xiao. Beside the simple lowtemperature receiver described in this article that can be used for water heater, space heater or heat source for an absorption cooler, there are. The aim of this paper is to investigate the multifactors effect on the systems efficiency in cold climate region. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate sun radiations towards a receiver tube located at the focus line of the parabolic cylinder. Reddy and harinarayana16 have est imated the solar thermal energy potential in indiawith1. Solar collection type of solar collectors, photovoltaic.
Design support system for parabolic trough solar collector. Pdf an overview on parabolic trough solar collector. The solar dish stirling technology is well beyond the research and development phase, with more than 20 years of recorded operating history. This paper presents the development of a solar parabolic dish collector prototype for rural areas with high. Parabolic trough collector cost update for the system advisor model sam parthiv kurup and craig s. A prototype of a small modularity parabolic dish reflector or pdr solar collector. Design and implementation of a parabolic cylinder collector with. Sensitive analysis for the efficiency of a parabolic trough. A wide variety of parabolic solar collector options are available to you, such as pressurized, evacuated tube, and nonpressure. Solar cooling technologies demand high temperatures and not all the type of solar collectors are capable of producing them. Background solar thermal water heating or solar hot water shw has a long history of use throughout the world, but has had varying penetration in the u. Design parameter selection for a distillation system coupled. Absorption of solar radiation is what solar heat collector is all about. This collector has modular characteristics and it has been installed in some industries around the country to meet the thermal load for their processes or diminish the consumption of fossil fuels.
The solar field is modular in nature and is composed of many parallel rows of solar collectors aligned on a northsouth horizontal axis. The compound parabolic collector cpc is a widely used technology in. Parabolic solar collector ayush khare 1, sachin saxena, c h tyagi1 and sanjeev kumar1 corresponding author. Optical design of a solar parabolic concentrating collector based on trapezoidal reflective petals 715 is carried out to improve the overall performance of system. Solar collector is a mechanical device which captures the radiant solar energy and converts it to useful thermal energy 4. A parabolic solar collector device that would heat a halfliter of water to boiling within two hours is of significant importance to reduce the volume of green house gases emitted by each household, globally reducing the impact of fossil fuels on our planet. However, it is limited to a single or double factors for available system. Design and development of an educational solar tracking parabolic trough collector system.
Solar tracking for a parabolic dish used in a solar thermal brayton cycle w. The maximum power of 34 mw e is generated with maximum temperature of 375. Solar concentrators provide increased energy efficiency and produce electricity, heat and steam in the same system. Parabolic trough solar thermal system parabolic trough. Abstract this paper presents the design of a parabolictrough solar collector system for water desalination in gaza, collector aperture and rimangle optimization together with the receiverdiameter selection are presented. Modeling of a parabolic solar collector system for water desalination. Large scale concentrators today use automated tracking systems that can track the sun on a biaxial path powell, 89. The target of the national solar mission is to build up india as a worldwide pioneer in solar energy generation. High performance flat plate solar thermal collector evaluation. Design and construction of a solar collector parabolic dish. The collector field consists of a large field of singleaxis tracking parabolic trough solar collectors. Parabolic trough solar water heating is one of several well proven solar. The parabolic trough collector of the parabolic trough solar thermal system is a kind of device that collects solar energy by means of linear focus on sunlight. A copy of the license is included in the section entitled gnu free documentation license.
Code for thermal analysis of parabolic collectors are used. Parabolic trough1 is optimal dynamic trading strategies with risk limits pdf the ownload free pdf file reader most mature technology for large scale exploitation of solar. Parabolic trough collector cost update for the system. A detailed solar power plant simulation and analysis of its components is needed for the design of parabolic trough solar systems. Heat transfer analysis and modeling of a parabolic trough. Our contribution to sustainable development for humanity and the environment is a swedish solar energy system with unique versatility and installations the world over.
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. Experimental and numerical analysis of thermal losses of a. Solar tracking is also necessary for efficient use of concentrating collectors. In order to boil water with solar energy, we propose to design and conceive a. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. The use of solar energy for heat production dates from antiquity. A solar bowl is a type of solar thermal collector that operates similarly to a parabolic dish, but instead of using a tracking parabolic mirror with a fixed receiver, it has a fixed spherical mirror with a tracking receiver. This heats and pressurizes the gas in the heat exchanger tubing, and this gas in turn powers the solar stirling engine. A concentrating collector further focuses the solar energy on the receiver resulting in higher thermal efficiency. Introduction solar thermal solar photovoltaic in cold climate large amount of low grade thermal energy is used. Solar collector is a device which absorbs the transport medium. A generator is connected to the solar stirling engine. Study of applications of parabolic trough solar collector.
A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the opticalthermal efficiency. The compound parabolic collector cpc is a widely used. Direct radiation is in the form of parallel rays coming straight from the sun. Jan 23, 2010 the pcu solar receiver is an external heat exchanger that absorbs the incoming solar thermal energy. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file.
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. To best capture this energy the solar collector should be tilted as shown in figure. In this paper work the performance analysis of parabolic solar dish collector is done with the use of different reflecting materials. Method of a given focus and directrix was employed in the construction of the. Parabolictrough solar concentrators will be considered in. This file contains additional information such as exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. As part of the european solabs project, steelbased solar collectors have been developed for application as facade elements in steel construction. Solar collectors transform solar radiation into heat and transfer that heat to a medium water, solar fluid, or air. Performance analysis of parabolic solar dish collector for.
Solar radiation energy to internal energy of transport medium. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate sun radiations towards a receiver tube located at the. Easiest way to make a parabolic solar collector is bamboo basket. Design, construction and testing of a parabolic solar steam. Designing a ptc for a specific working condition requires determination of several parameters and referring to a number of design standards and handbooks. For this reason, the latter is usually made as black as possible so that it will have a high absorption capacity. Numerical modelling of a parabolic trough solar collector. Himin is parabolic trough solar thermal system manufacturer in china, our rough solar thermal power generation system is now the most proven largescale power system with the lowest cost. System performance was investigated experimentally and. Pdf in mexico, a local enterprise has developed a parabolic trough solar collector.
Modelling of solar thermal power plant using parabolic. This reduces efficiency, but makes it cheaper to build and operate. Different types of solar collectors are studied, as well as the solar resources in the. Pdf study of applications of parabolic trough solar collector. Then solar heat can be used for heating water, to heating or cooling systems, or for heating swimming pools. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment.
Parabolic trough solar collector pdf basically a manual method to make high efficiency solar collectors against very low cost, which is. Design and development of an educational solar tracking. Large scale concentrators today use automated tracking systems that can. Energy equations for computation of parabolictrough. Parametric methodology to optimize the sizing of solar collector. Abstract this paper presents the design of a parabolictrough solarcollector system for water desalination in gaza, collectoraperture and rimangle optimization together with the receiverdiameter selection are presented. Evacuated tube collectors qcoll is the energy collected per unit collector area per unit time fr is the collector s heat removal factor. They are basically unusually shaped mirrors parabolic in shape that focus the heat of the sun on a pipe carrying a special fluid. Energy equations for the computation of parabolictrough collector efficiency using. Simplified methodology for designing parabolic trough. Optical design of a solar parabolic concentrating collector. Solar water heaters, such as the ap evacuated tube solar collectors by apricus that use evacuated tube technology, are able to reach a complete solar collector efficiency not just the absorber of nearly 70% based on aperture dimensions, and over 80% if you just consider the surface area of the black absorber. The equipment is well characterized with over 50,000 hours of onsun time. Large collector fields supply the thermal energy, which is used to drive a steam turbine, which, on its part, drives the electric generator.
Experimental study on solar parabolic dish thermoelectric. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are. Parabolic trough collector cost update for the system advisor. Design, construction and testing of a parabolic solar steam generator joshua folaranmi 120 parabolic dish. Thus, a heat transfer analysis and modeling of a parabolic trough solar collector are presented in this paper. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect. Without tracking the collector becomes almost useless except for a very short time period once a day. Even though solar collectors can collect heat from the diffuse component of solar radiation, solar systems are designed to use the direct component. Method of a given focus and directrix was employed in the construction of the parabolic dish. How do solar parabolic dishes work solar power world. Qcoll is the energy collected per unit collector area per unit time fr is the collectors heat removal factor. Auguste mouchout is the first person that use the parabolic trough technique to produce steam for steam engine in 1866.
In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. Each solar collector has a linear parabolicshaped reflector that focuses the suns direct beam radiation. Since 1984, the solar dish stirling equipment has held the worlds efficiency record. Sensitive analysis for the efficiency of a parabolic. Modeling of a parabolic solarcollector system for water desalination. Solar collector, pcc, solar tracking, solar panel, hot water. 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 parabolic dish collector is fabricated using an unused satellite dish antenna fitted with polished aluminum sheet as. Solar collector is a device which absorbs the incoming solar radiation, converts it into heat, and transfer this heat to a fluid usually air, water flowing through the collector.
Pdf analysis of solar water heater with parabolic dish. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. Design parameter selection for a distillation system. Solar tracking for a parabolic dish used in a solar. 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. If the design is successful, the parabolic solar collector device can be marketed to the millions of household owners. Meyer department of mechanical and aeronautical engineering, university of pretoria abstract solar thermal brayton cycles utilise concentrated sun rays and can be used to power microturbine generators. The use of parabolic trough collectors can be found in different countries that promote. Design, construction, and test of a miniature parabolic.
Concentrating solar power technology is introduced during 18s. Abstractthe parabolic dish solar collector technology is very useful as it is used for approximately all solar energy applications such as steam and power generation, water heating, air heating etc. Modelling of solar thermal power plant using parabolic trough. 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. The first patent for solar collector is invented by mr. Solar power can be transmitted through grid either from solar photovoltaic or solar thermal technology. In this paper, an attempt has been made to conduct an experimental study on small scale solar parabolic dish thermoelectric generator. In mexico, a local enterprise has developed a parabolic trough solar collector to produce thermal energy. A typical array of solar collectors is seen opposite. Design of a parabolic trough solar collector using a.
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