Modeling and experimental investigation of parabolic trough solar. Abstract at present, parabolic trough technology is considered as the most low. Modeling and experimental investigation of parabolic trough solar collector. If the said parabola is extended along an axis becoming a trough the solar rays are concentrated along a line through the focal point of the trough. Pdf parabolic trough concentrators for hot water generation.
Three parabolic trough solar concentrators ptscs of dimensions. Parabolic trough collector cost update for the system. Mechanical design of a low cost parabolic solar dish. Parabolic trough solar concentrating systems are an advanced and matured technology. Parabolic trough collector is a viable technology for harnessing solar energy for industrial process heat in cyprus 58.
In this work, the potential for a solarthermal concentrator to produce steam has been studied. Design, construction, and test of a miniature parabolic trough solar concentrator. Hybrid solar thermal power plants with parabolic trough type of solar. Abengoa solar parabolic trough collector technology. Optical and thermal modeling of parabolic trough concentrator systems. Heat transfer analysis and modeling of a parabolic trough. Potential of a parabolic trough solar concentrator for electric energy. The basic design of the closed collector is given in section 2.
The model determines the performance of a parabolic trough solar. Manual making of a parabolic solar collector gang xiao. The angle between a direct ray from the sun and the aperture plane of the parabolic trough collector defined to be 0 degrees. This report updates the baseline cost for parabolic trough solar fields in the united states. Heat transfer analysis and modeling of a parabolic trough solar receiver implemented in engineering equation solver abstract this report describes the development, validation, and use of a heat transfer model implemented in engineering equation solver ees. The parabolic trough concentrator ptc is a solar concentration. Enhanced efficiency of a parabolic solar trough system through use of a secondary radiation concentrator p. In a parabola all of the incoming rays from a light source in this case the sun are reflected back to the focal point of the parabola. The receiver absorbs the incoming radiations and transforms them into thermal energy. Parabolic trough solar technology is the most proven and lowest cost largescale solar power technology available today, primarily because of the nine large commercialscale solar power plants. Design and construction of a solar collector parabolic dish. Torque tube design able to achieve good optical accuracy. Experimental and numerical measurement of the thermal.
The initial installation cost of these parabolic trough solar collectors consti. Practical field alignment of parabolic trough solar concentrators. Through a polished stainless steel parabolic dish, solar radiation is concentrated into a specific area called focus, where thermal energy is generated and is used. To study the behavior of a solar parabolic trough concentrator ptc and to. Pdf parabolic trough concentrators for low enthalpy processes. The operating temperature of the system is in the range of 500700k and the geometric concentration ratio of the parabolic trough system is in the range of 30100 table 8. Numerical modelling of a parabolic trough solar collector. These concentrators are modular with solar collection areas around 2. Ferrer introduction the current worldwide trend is towards finding alternative. Enhanced efficiency of a parabolic solar trough system.
Parabolic trough solar collectors utilize a heat transfer fluid htf that flows through the receiver collecting and transporting solar thermal energy to the power. Comparison with conventional parabolic trough concentrators. Experimental and numerical measurement of the thermal performance for parabolic trough solar concentrators. Noting that little work has been done in the area of lowering the cost of solar dish, this paper demonstrates the mechanical design of low cost parabolic solar dish concentrator with smalltomoderate size for direct electricity generation.
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