The parabolic solar collector parabolic trough fixed stand rotating trough foil tape focal line jul 11, 2011 inspired by george plhak and daniel rojas, this parabolic trough solar water heater is to be one in a bank of four to heat about 80 gallons of water. Solar cells can provide some output even in diffused light, not so the case in solar parabolic troughs. This report presents the designing of a parabolic trough collector with a rim angle of 80 and discusses the experimentation on an existing parabolic trough collector unit with a rim angle 90, length 32 inch and aperture area 1152 inch2. Theoretical study of the compound parabolic trough solar collector dr. Manual making of a parabolic solar collector gang xiao laboratoire j. A typical parabolic dish collector has a dish of 6 m diameter.
Box 20423, nicosia 2152, cyprus received 18 june 2003. In this type of collector, the solar radiations falling on the area of the parabolic reflector are concentrated at the focus of the parabola. Patented new technology to make a parabolic solar tough better, less expensive and more accurate. Analytical expression of parabolic trough solar collector. Parabolic trough plants require large amount of land while solar pvs can be conveniently places on rooftops. This line is called the focal axis of the parabolic collector. Generation of a parabolic trough collector efficiency curve. Design, construction and testing of a parabolic solar steam. Kalogirou department of mechanical engineering, higher technical institute, p.
Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. This solar technology is applied in many applications and so its investigation is common. Read online design and fabrication of parabolic solar collector and to. Basically, the solar radiation is concentrated on the absorber by means of two parabolic reflectors placed at the left and right side of the absorber. A typical array of solar collectors is seen opposite. Concentrating solar collector an overview sciencedirect. Hameed jassim khalaf mechanical engineering departmentuniversity of tikrit abstract theoretical design of compound parabolic trough solar collector cpc without tracking is presented in this work. Solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. A precision made parabolic trough can focus more solar on a receiver tube collector resulting in creating more solar energy. 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.
Parabolic trough collector it is a line focusing type collector. The concentrators are suitably moved in order to track the sun during. But the patent assignee allows royalty free manual use of this. The objective of this study is to develop analytical expressions for the determination of the thermal performance of parabolic trough collectors. The solar production of hydrogen performed with photocatalysis methods is based mainly on concentrated solar collectors, as compound parabolic collectors. Parabolic trough solar thermal system parabolic trough. Pdf an overview on parabolic trough solar collectors. The compound parabolic concentrator cpc is a highly interesting solar collector technology for different lowconcentration applications due to no tracking. The fundamental characteristics of the performance of a parabolic trough solar collector are its concentration ratio and its optical efficiency. The outlet temperature of the fluid from the collector 20. Parabolic trough solar thermal electric power plants parabolic trough solar collector technology offers an environmentally sound and increasingly costeffective energy source for the future. Parabolictrough solar concentrators will be considered in. The resulting mirror is made to track the sun, focusing the suns rays on a receiver tube. Advantages of parabolic solar systems solar power solar.
All books are in clear copy here, and all files are secure so dont worry about it. Parabolic solar collector ayush khare 1, sachin saxena, c h tyagi1 and sanjeev kumar1 corresponding author. Modeling and simulation to determine the thermal efficiency of a. Parabolic trough solar thermal electric power plants. The incident solar radiation falling on the collector is utilized for pipe heating. Design and fabrication of parabolic solar collector. Pdf solar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the solar collector. Design and fabrication of parabolic solar collector mechanical and automobile ieee project topics, thermal engineering base paper ideas, synopsis, abstract, report, figures, full pdf, working details for mechanical engineering me, diploma, btech, be, mtech and msc college students. A parabolic trough solar collector uses a parabolic cylinder to reflect and concentrate sun radiations towards a. 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. The difference here being that it is a 12foot wide dish. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation onto a tubular receiver. A parabolic cylinder mirror is formed by stretching a flexible reflecting material between two parabolic end formers.
Solar thermal collectors and applications soteris a. The most efficient shape for a solar collector is the parabolic shape since it can focus the suns energy on a small heat exchanger, 10 x 10. They are basically unusually shaped mirrors parabolic in shape that focus the heat of the sun on a pipe carrying a special fluid. The temperature of the fluid in the pipe increases as it flows down the pipe, along the solar collectors. 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. A parabolic trough solar collector uses a parabolic cylinder to reflect and concentrate.
This paper reports the design, construction and testing of a parabolic dish solar steam generator. 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. Find parabolic solar stock images in hd and millions of other royalty free stock photos, illustrations and vectors in the shutterstock collection. Aug 19, 2009 just a quick video of my solar collector. This thesis open access is brought to you for free and open access by scholarly commons. Advantages of parabolic solar systems solar energy systems have been around for years but their efficiencies are low due to heat loss and inefficient collection of the days solar energy. Ragheb 2011 the interest in the parabolic trough technology did not rise again until 1977, when the us department of energy as well as the german federal ministry of research and technology began to fund the. A wide variety of parabolic trough solar collector options are available to you, such as type, application, and pipe material. About 78% of these are solar collector, 5% are solar energy system. Oct 18, 2019 download design and fabrication of parabolic solar collector and to. Due to the limitations of size and the small quantity of fluid, dish type solar collectors are suitable for only small power generation up to few kw. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect and concentrate sun. Theoretical study of the compound parabolic trough solar.
Design and construction of a solar collector parabolic dish. Using concentrating collector, heat from the sun is concentrated on a black absorber located at the focus point of the reflector in which water is heated to a very high temperature to form steam. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. Simplified methodology for designing parabolic trough solar. Boelterheat transfer in automobile radiators of the tubular type. 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. Pdf modeling and experimental investigation of parabolic trough.
Pdf abstractsolar collector in the shape of a parabolic mirror reflects the incident solar energy on the longitudinal axis of the. The parabolic trough collector is one of the most developed solar concentrating technologies for medium and high temperatures up to 800 k. 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. Bringing you a prosperous future where energy is clean, abundant, reliable and affordable u. Tracking can either be on one axis, with simpler mechanisms but slightly less output, or two axes, which produces the most power.
Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. In diffused light, there is an inability to focus sunlight efficiently and the output decreases dramatically. Large collector fields supply the thermal energy, which is used to drive a. Abstract this paper presents the design of a parabolic trough solar collector system for water desalination in gaza, collector aperture and rimangle optimization together with the receiverdiameter selection are presented. Description the objective of the present work is to design, develop and investigate the performance of a ptc for hot water generation system. The parabolic trough reflector is a solar energy collector designed to capture the suns direct solar radiation over a large surface area and focus or concentrate it onto a small focal point area, increasing the solar energy received by more than a factor of two. A wide variety of parabolic solar collector options are available to you, such as type, application, and pipe material. But the patent assignee allows royaltyfree manual use of this. 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.
Numerical modelling of a parabolic trough solar collector. 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. Modeling and simulation of heat transfer in a parabolic solar through collector. 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. To determine the empirical correlation for both free and forced. 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. A solar thermal collector collects heat by absorbing sunlight. Modeling of a parabolic solar collector system for water desalination. In order to boil water with solar energy, we propose to design and conceive a. Solar collector concentrated solar power plant industrial process heat heat water. Inspired by george plhak and daniel rojas, this parabolic trough solar water heater is to be one in a bank of four to heat about 80 gallons of water. Modeling and experimental investigation of parabolic trough solar collector. Today, the concentration ratio of a parabolic trough collector of width between 1m and 2m is limited to. This paper presents the development of a solar parabolic dish collector prototype for rural areas with high solar resource.
Depending on the type of convection, either free or forced, the appropriate. A parabolic trough solar collector using reflective flexible materials is disclosed. To enhance the heat transfer in a parabolic trough solar collector by using. Compound parabolic collector an overview sciencedirect topics.
Parabolic trough solar collector water heater youtube. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. Modeling and experimental investigation of parabolic trough solar. Chapter 5 parabolic trough technology authors matthias gunther1 michael joemann1 simon csambor1. Parabolic trough collector application in egypt built in 19 source. A parabolic trough is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the.
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