Parabolictrough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58. All heat transfer and thermodynamic equations, optical properties, and parameters used in the model are discussed. 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. 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. Recent studies that analyze the deployment of solar. We develop and manufacture solar thermal parabolic trough collectors and advise on system design and applications. Bringing you a prosperous future where energy is clean, abundant, reliable and affordable u. A parabolic trough solar collector uses a mirror in the shape of a parabolic cylinder to reflect. 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. 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. Description the objective of the present work is to design, develop and investigate the performance of a ptc for hot water generation system. Pdf design analysis of solar parabolic trough thermal. Design of a parabolic trough solar collector using a. Modeling of a parabolic solarcollector system for water desalination. 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. Parabolic trough solar collector is the most proven industryscale solar generation technology today available. Pdf performance of a parabolic trough solar collector. Parabolic trough solar collector pdf basically a manual method to make high efficiency solar collectors against very low cost, which is. In this practical activityexperiment, students will learn about parabolas, make a parabolic solar reflector, and then investigate its ability to focus sunlight. In 1907, the germans wilhelm meier and adolf remshardt obtained the first patent of parabolic trough technology. Towards standardization of insite parabolic trough collector testing in solar thermal power plants aip conf. 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. Thus, a heat transfer analysis and modeling of a parabolic trough solar collector are presented in this paper.
Design and fabrication of parabolic solar collector mechanical project abstract. Parabolic trough collectors ptc are frequently used for steam generation. Procedure followed to design the parabolic trough collector. This paper presents the design, construction and investigates an experimental study of a 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 equipment which is made up of the reflector surface curved mirror, reflector support, absorber pipe and a stand. Parabolic trough collector power plant performance simulation. It offers polytrough 1200, a roof and ground mountable parabolic trough collector. Sce solar collector element sca solar collector assembly 2.
A solar thermal collector collects heat by absorbing sunlight. The focus of the simulations was on parabolic trough plants which were compared to a power tower reference case. Design and fabrication of parabolic trough solar water. Sensitive analysis for the efficiency of a parabolic. Theoretical study of the compound parabolic trough solar. They consist of a solar field filled with hundreds or thousands of solar collector assemblies sca. The design and fabrication of parabolic trough solar water heater for water heating was executed. The frame for the parabola was made out of plywood. The thermal performance of such devices is of major interest for optimising the solar.
It would be attached to a base which would allow for proper angling of the parabolic trough. The solar option and solar collector solar energy is a very large, inexhaustible of energy, the power from the sun intercepted. Pdf a simplified design procedure of parabolic trough solar field. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. In concentrating solar power technology, the optical efficiency of solar. The collector is designed for component testing and. Parabolictrough solar concentrating systems are an advanced and. Simplified methodology for designing parabolic trough. A precision made parabolic trough can focus more solar on a receiver tube collector resulting in creating more solar energy. Certainly, the right size of the solar field is the first selection with regard to nominal electrical power.
The efficiency of the solar trough is dependent on many variables some of which are trough structural design, material selection, and wear figueredo, 2011. Nowadays, parabolic trough solar thermal plants are prevalent around the world. The performance of a south african parabolic trough solar collector ptsc module has been characterised using the ashrae 931986 standard. Parabolic trough collector water heating efficient energy use. Aug 19, 2009 just a quick video of my solar collector.
Patented new technology to make a parabolic solar tough better, less expensive and more accurate. Table 2 shows the design characteristics of the acurex, single axis tracking m. Design and fabrication of parabolic solar collector. Parabolic trough solar thermal electric power plants.
The entire collector was small enough to allow for easy manual adjustment for solar tracking. Manual making of a parabolic solar collector, gang xiao, laboratoire j. Pdf parabolic trough solar collector design, construction and. Parabolic trough power plants ptpp are thus far mostly developed csp thermal plants that are operating commercially. Energy equations for computation of parabolictrough. Numerical simulation of a parabolic trough solar collector for hot water and steam generation aip conf. 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. A vast area will be economically unreasonable whereas a small area will mainly. 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. Modeling and experimental investigation of parabolic. Design, construction, and test of a miniature parabolic. The most common technologies are parabolic trough collector ptc, linear fresnel re.
A parabolic trough is a one dimensional parabola that focuses solar energy onto a line. In this work a compound parabolic trough solar collector cpc is designed and studies theoretically. 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. However, it is limited to a single or double factors for available system. Solar troughs are easy to assemble and takes 2 men approximately 1 week to assemble. A detailed solar power plant simulation and analysis of its components is needed for the design of parabolic trough solar systems. Pdf design and construction of a parabolic trough solar.
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. Its uses do not contribute to emission of greenhouse gases and other pollutants to the environment. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. Pdf design of a parabolic trough solar collector using a. Energy equations for the computation of parabolictrough collector efficiency using.
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. A vast area will be economically unreasonable whereas a small area will. Parabolic trough power plants use parabolic trough collectors to concentrate the direct solar radiation. Energy equations for the computation of parabolic trough collector efficiency using. Heat transfer analysis and modeling of a parabolic trough. A wide variety of parabolic trough solar collector options are available to you, such as pressurized, nonpressure, and evacuated tube. 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. In different areas concerning the amount of solar radiation, their standard size is approximately between 20 and 100 mwe. Pdf design analysis of solar parabolic trough thermal collectors. Parabolic trough collector power plant performance.
Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun. 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. 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. 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. Design, construction and evaluation of parabolic trough collector. 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. It is sustainable since it cannot be depleted in a time relevant to the human race. The trough is parabolic along one axis and linear in the orthogonal axis. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. Analytical expression of parabolic trough solar collector. Simplified methodology for designing parabolic trough solar.
Modeling and experimental investigation of parabolic trough solar collector institution. 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. The currently dominant design of parabolic trough for solar power plants is. The procedure employed includes the design, construction and testing stages. 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. Following data is represented in table 1 and table 2. The initial installation cost of these parabolic trough solar collectors consti. 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. The cylindrical parabolic collector is also referred to as a parabolic trough collector or a linear parabolic collector. Parabolictrough concentrator the accuracy of the solar tracking depends to a great extent on the solar coordinates at a particular.
Because of its singleaxis tracking, all the solar radiations fall parallel to its. Simplified methodology for designing parabolic trough solar power. Pdf this paper presents a stepwise approach for designing a parabolic trough solar collector system, which is the fastest growing. Each sca is an independently tracking parabolic trough solar collector consisting of four major subsystems. To determine the empirical correlation for both free and forced convection. Parabolic trough collector water heating efficient. The fundamental characteristics of the performance of a parabolic trough solar collector are its concentration ratio and its optical efficiency. Design and analysis of hydraulically driven actuation.
The model determines the performance of a parabolic trough solar collector s linear receiver, also called a heat collector element hce. Parabolic trough calculator this module computes the dimensions of the end plate of a closed 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. 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. Modeling and performance prediction of solar parabolic.