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Laser technology for solar cells and solar receivers
ICALEO 2007: 26th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing, 2007During the last few years, solar energy conversion by photovoltaics and solar receivers has grown enormously. For the future, efficient and durable products at low cost are necessary and laser technology offers many opportunities to realize this. Two of these technologies are discussed in this paper.
Aart Schoonderbeek +13 more
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Efficiency determination of tubular solar receivers in central receiver systems
Solar Energy, 2016Abstract This paper describes a method for the efficiency determination of a cavity receiver using the example of the solar hybrid gas turbine system SOLUGAS. Major focus is given on the improvement of a new approach of the solar flux density determination based on a measurement-supported simulation technique where an acceptable uncertainty of the ...
Ebert, Miriam +4 more
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Solar receiver with integrated optics
SPIE Proceedings, 2012The current challenge for PV/Thermal (PV/T) systems is the reduction of radiation heat loss. Compared to solar thermal selective coating, the solar cells cannot be used as an efficient thermal absorber due to their large emissivity of the encapsulation material.
Lun Jiang, Roland Winston
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Heat Mirrored Solar Energy Receivers
Journal of Energy, 1977RANSPARENT heat mirrors are thin films that transmit visible light but reflect infrared radiation. This paper investigates the potential utilization of this wavelength selective property in the process of trapping incident solar energy and its conversion to heat in a high-temperature (5401650°C) windowed cavity.
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Dark alumina for novel solar receivers
Scripta Materialia, 2020Concentrating solar power is one of the most promising solar energy exploitation technologies. Its efficiency improvement needs a significant increase of operating temperatures, from the current 500 degrees C to 900 degrees C. Alumina (Al2O3) ceramics are refractory materials characterized by a huge industrial interest, mature production techniques and
Sani Elisa, Failla Simone, Sciti Diletta
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Optimisation of Solar Receivers
2016In solar thermal electricity plants, the receiver is an essential component in which the concentrated solar energy is absorbed and then transferred to a working fluid. Thus, the receiver effectiveness has a significant influence on the overall efficiency of the facility.
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Volume 2: I&C, Digital Controls, and Influence of Human Factors; Plant Construction Issues and Supply Chain Management; Plant Operations, Maintenance, Aging Management, Reliability and Performance; Renewable Energy Systems: Solar, Wind, Hydro and Geothermal; Risk Management, Safety and Cyber Security; Steam Turbine-Generators, Electric Generators, Transformers, Switchgear, and Electric BOP and Auxiliaries; Student Competition; Thermal Hydraulics and Computational Fluid Dynamics, 2017
Numerical simulation was made for high-temperature solar and thermal receivers of pressurized air for solar micro gas turbine system. The solar / biomass hybrid gas turbine was considered to generate 30kW to 100kW power. The gas turbine system was provided with the concentrated solar light from the dish reflector at the solar receiver and the ...
Koji Matsubara +4 more
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Numerical simulation was made for high-temperature solar and thermal receivers of pressurized air for solar micro gas turbine system. The solar / biomass hybrid gas turbine was considered to generate 30kW to 100kW power. The gas turbine system was provided with the concentrated solar light from the dish reflector at the solar receiver and the ...
Koji Matsubara +4 more
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Receiver design considerations for solar central receiver hydrogen production
Solar Energy, 1985Abstract The status of the Solar Central Receiver or Power Tower developments is briefly reviewed. with particular consideration given to the application of this technology to thermochemical hydrogen production. Emphasis is on the general considerations in the receiver-chemical reactor interface.
Alvin F. Hildebrandt, Keith A. Rose
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Solar Energy, 1977
Abstract Receiver design alternatives for a central tower, heat-air receiver of a solar/gas turbine electrical generation plant are considered. Apertured and unapertured, domed-surface and -cavity receivers are examined and losses such as incident flux reflection and reradiation from the receiver are included.
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Abstract Receiver design alternatives for a central tower, heat-air receiver of a solar/gas turbine electrical generation plant are considered. Apertured and unapertured, domed-surface and -cavity receivers are examined and losses such as incident flux reflection and reradiation from the receiver are included.
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Solar Selective Coatings for Concentrating Solar Power Central Receivers
International Thermal Spray Conference, 2011Abstract Concentrating solar power (CSP) systems represent a zero emission method for conversion of sunlight to electricity. CSP systems use an array of mirrors to concentrate sunlight on the surface of a heat exchanger and heat a working fluid.
A. Hall +9 more
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