Parabolic trough calculator this module computes the dimensions of the end plate of a closed parabolic trough solar collector. Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. The procedure employed includes the design, construction and testing stages. Parabolic trough solar collector pdf basically a manual method to make high efficiency solar collectors against very low cost, which is. Bringing you a prosperous future where energy is clean, abundant, reliable and affordable u. Nep solar is striving to make a difference in the emerging concentrating solar thermal energy sector. Parabolic trough power plants use a curved, mirrored trough which reflects the direct solar radiation onto a glass tube containing a fluid also called a receiver, absorber or collector running the length of the trough, positioned at the focal point of the reflectors. Parabolic trough collector power plant performance.
The entire collector was small enough to allow for easy manual adjustment for solar tracking. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. 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. 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. Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially. Parabolic trough collector water heating efficient. Pdf design analysis of solar parabolic trough thermal collectors. Towards standardization of insite parabolic trough collector testing in solar thermal power plants aip conf. Procedure followed to design the parabolic trough collector. A vast area will be economically unreasonable whereas a small area will. Pdf parabolic trough solar collector design, construction and.
Modeling and experimental investigation of parabolic. In this work a compound parabolic trough solar collector cpc is designed and studies theoretically. Energy equations for the computation of parabolic trough collector efficiency using. However, it is limited to a single or double factors for available system. Parabolic trough solar collector is the most proven industryscale solar generation technology today available. Simplified methodology for designing parabolic trough solar power. Parabolic trough collector the energy of sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line, where objects are positioned that. Analytical expression of parabolic trough solar collector. Pdf design analysis of solar parabolic trough thermal. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment.
Modeling and experimental investigation of parabolic trough solar collector institution. Numerical simulation of a parabolic trough solar collector for hot water and steam generation aip conf. Pdf design of a parabolic trough solar collector using a. Aug 19, 2009 just a quick video of my solar collector. The design and fabrication of parabolic trough solar water heater for water heating was executed. Following data is represented in table 1 and table 2. A precision made parabolic trough can focus more solar on a receiver tube collector resulting in creating more solar energy. Because of its singleaxis tracking, all the solar radiations fall parallel to its. 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. Pdf performance of a parabolic trough solar collector. 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. Design and analysis of hydraulically driven actuation.
A parabolic trough is a one dimensional parabola that focuses solar energy onto a line. The model determines the performance of a parabolic trough solar collectors linear receiver, also called a heat collector element hce. Parabolictrough solar concentrating systems are parabolic shaped collectors made of reflecting materials. Sce solar collector element sca solar collector assembly 2. Parabolictrough solar concentrating systems are an advanced and. In a solar cooker, for example, food is placed at the. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. The trough is parabolic along one axis and linear in the orthogonal axis. We develop and manufacture solar thermal parabolic trough collectors and advise on system design and applications. The frame for the parabola was made out of plywood. Manual making of a parabolic solar collector, gang xiao, laboratoire j. The model determines the performance of a parabolic trough solar collector s linear receiver, also called a heat collector element hce. It offers polytrough 1200, a roof and ground mountable parabolic trough collector.
Patented new technology to make a parabolic solar tough better, less expensive and more accurate. The collector is designed for component testing and. Each sca is an independently tracking parabolic trough solar collector consisting of four major subsystems. In concentrating solar power technology, the optical efficiency of solar. 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. Pdf on jul 1, 2016, ahmet caglar and others published design of a parabolic trough solar collector using a concentrator with high reflectivity find, read and cite all the research you need. The thermal performance of such devices is of major interest for optimising the 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. Description the objective of the present work is to design, develop and investigate the performance of a ptc for hot water generation system. Parabolictrough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. The currently dominant design of parabolic trough for solar power plants is. Parabolic trough solar thermal electric power plants parabolic trough solar collector technology offers an environmentally sound and increasingly costeffective energy source for the future.
The efficiency of the solar trough is dependent on many variables some of which are trough structural design, material selection, and wear figueredo, 2011. Design and fabrication of parabolic solar collector. Parabolic trough solar thermal electric power plants. Modeling of a parabolic solarcollector system for water desalination. A detailed solar power plant simulation and analysis of its components is needed for the design of parabolic trough solar systems. The collectors reflect the incident solar radiation onto its focal line toward a receiver that absorbs the concentrated solar energy to raise the temperature of the fluid inside it as shown in fig. Heat transfer analysis and modeling of a parabolic trough. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun.
Certainly, the right size of the solar field is the first selection with regard to nominal electrical power. They consist of a solar field filled with hundreds or thousands of solar collector assemblies sca. The fundamental characteristics of the performance of a parabolic trough solar collector are its concentration ratio and its optical efficiency. 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.
A vast area will be economically unreasonable whereas a small area will mainly. Pdf a simplified design procedure of parabolic trough solar field. Parabolic trough collector water heating efficient energy use. Recent studies that analyze the deployment of solar. The dimensions of the designed model of cpc solar collector will be calculated by the using the equations which are explained later and the specifications of it will be selected. A wide variety of parabolic trough solar collector options are available to you, such as pressurized, nonpressure, and evacuated tube. To determine the empirical correlation for both free and forced convection. The most common technologies are parabolic trough collector ptc, linear fresnel re. Design and fabrication of parabolic trough solar water. The basic component of the solar field is the solar collector assembly sca.
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 solar thermal collectors are either nonconcentrating or concentrating. In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe. Among these systems, parabolic trough collector is one of the most mature technologies and it has been widely studied and used the last decades 4. Oct 17, 2014 in this practical activityexperiment, students will learn about parabolas, make a parabolic solar reflector, and then investigate its ability to focus sunlight. Theoretical study of the compound parabolic trough solar. 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. A multitude of the researches focus on the factors of the thermal efficiency of a parabolic trough solar collector, that is, the opticalthermal efficiency. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation.
Design and fabrication of parabolic solar collector mechanical project abstract. Parabolictrough concentrator the accuracy of the solar tracking depends to a great extent on the solar coordinates at a particular. It would be attached to a base which would allow for proper angling of the parabolic trough. Design of a parabolic trough solar collector using a. Energy equations for computation of parabolictrough. The equipment which is made up of the reflector surface curved mirror, reflector support, absorber pipe and a stand. Simplified methodology for designing parabolic trough. The operating temperature of the system is in the range of 500700k and the geometric concentration ratio of the parabolictrough system is in the range of 30100 table 8. The performance of a south african parabolic trough solar collector ptsc module has been characterised using the ashrae 931986 standard.
Pdf this paper presents a stepwise approach for designing a parabolic trough solar collector system, which is the fastest growing. Sensitive analysis for the efficiency of a parabolic trough. 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. It is sustainable since it cannot be depleted in a time relevant to the human race. Design, construction and evaluation of parabolic trough collector. All heat transfer and thermodynamic equations, optical properties, and parameters used in the model are discussed. A solar thermal collector collects heat by absorbing sunlight. Flatplate collectors are not appropriate for these high temperatures. The focus of the simulations was on parabolic trough plants which were compared to a power tower reference case.
Table 2 shows the design characteristics of the acurex, single axis tracking m. Design of a 25 mwe solar thermal power plant in iran with. Parabolic trough is a type of solar thermal collector that works by focusing sun rays onto a tube with circulating heat transfer fluid it represents an active energy converting system. The initial installation cost of these parabolic trough solar collectors consti. Design, construction, and test of a miniature parabolic. Parabolic trough collector power plant performance simulation. Pdf design and construction of a parabolic trough solar. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. Parabolic trough collectors ptc are frequently used for steam generation. Pdf in this paper are presented the results of designing a parabolic trough solar collector ptsc, and its application in a solar thermal system for. To enhance the heat transfer in a parabolic trough solar collector by using znowater as nanofluid with different volumetric concentrations and flow rates, in free and forced convection system. In this practical activityexperiment, students will learn about parabolas, make a parabolic solar reflector, and then investigate its ability to focus sunlight. Nowadays, parabolic trough solar thermal plants are prevalent around the world. Sensitive analysis for the efficiency of a parabolic.
The cylindrical parabolic collector is also referred to as a parabolic trough collector or a linear parabolic collector. Modeling and performance prediction of solar parabolic. Energy equations for the computation of parabolictrough collector efficiency using. This paper presents the design, construction and investigates an experimental study of a parabolic trough solar collector. Simplified methodology for designing parabolic trough solar.
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