Results 171 to 180 of about 1,990 (215)

Heliostat Tailored to Brazil [PDF]

Proceedings of the ISES Solar World Congress 2015, 2016
For Brazil it is important to realize a high local production share because of high import tax rates. The rim drive concept offers an alternative for expensive heliostat drive solutions with slew and linear drives from abroad. By (locally produced) rims the demands on the drives regarding strength and precision are reduced to a very low value and low ...
Pfahl, Andreas, Bezerra, Pedro, Hölle, Erwin, Liedke, Phillip, Teramoto, Erico Tadao, Hertel, Johannes, Lampkowski, Marcelo, Oliveira, L. de   +7 more
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Design of a wireless heliostat system

AFRICON 2015, 2015
With the world progressively heading towards an energy crisis, renewable energy sources and technologies have become the focus of research. Harvesting the sun's energy through solar thermal power plants (STPPs) is an attractive alternative to the use of energy supplied through the grid. However, installation and maintenance of cabling for communication
Katlego Mabusela, Carel P. Kruger, Bruno J. Silva, Gerhard P. Hancke 0001   +3 more
openaire   +1 more source

Heliostat design for the daylighting system

Applied Optics, 2014
The daylighting system is designed to guide sunlight into buildings for illumination. It has the best illumination performance when sunlight vertically impinges on the collector of the daylighting system, while it has low performance when sunlight impinges obliquely.
Chih-Hung, Chang, Horng-Ching, Hsiso, Cheng-Ming, Chang, Chen-You, Wang, Tzung-Han, Lin, Yi-Yung, Chen, Yi-Lung, Lai, Cho-Jung, Yen, Kuan-Yu, Chen, Allen Jong-Woei, Whang   +9 more
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Heliostat Tilt and Azimuth Angle Charts and the Heliostat Orientation Protractor

Journal of Solar Energy Engineering, 1992
This paper reports that using cartesian heliostat field coordinates analytical expressions were derived for the heliostat tilt angle s, and heliostat azimuth angle {gamma} (clockwise from south). These expressions are dependent on the field cartesian coordinates of the center of the heliostat and the solar zenith and azimuth angles (clockwise from ...
M. M. Elsayed, O. M. Al-Rabghi
openaire   +1 more source

Current Advancement of Heliostats

Journal of Energy Resources Technology, 2022
Abstract This paper looks at the advancements made in Solar Power Towers and Heliostat Fields since 2017 and summarizes the current problems in various subsections. Heliostat fields capturing concentrated solar power (CSP) have been looked at for decades as a reliable renewable energy source that can balance out the variability of wind ...
Joshua Weissert, Yu Zhou, Dongchuan You, Hameed Metghalchi   +3 more
openaire   +1 more source

Solarization of heliostat glasses

1979
We have observed a solar-induced decrease in Fe/sup 2 +/ absorption in heliostat glasses from the solar furnace at Odeillo, France. This decrease occurs throughout the sampled (not just at the exposed surface) and is of sufficient magnitude to result in an increase of 2.5% in solar transmittance in a period of nine years.
J Vitko, J Shelby
openaire   +1 more source

Heliostat Field Design Using Visualization Method for Optical Heliostat Interaction

ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 2011
For the heliostat field design, the optical interaction of heliostat by shadowing and blocking should be considered besides cosine efficiency. In the present study, in order to visualize the optical interaction it is enabled to visualize the power loss image due to a poor heliostat layout.
Kei Ouchi, Hiroshi Kaneko, Yutaka Tamaura   +2 more
openaire   +1 more source

Heliostat History and Status

1986
This paper describes the evolution of the SSPS heliostat field subsystem during three years of operation. The status of the field is given by a set of performance characteristics which include reflectivity, mirror corrosion, beam alignment, and availability.
Pierre Wattiez, Juan Ramos
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Solarization of heliostat glasses

Solar Energy Materials, 1980
Abstract We have observed a solar-induced decrease in Fe2+ absorption in heliostat glasses from the solar furnace at Odeillo, France. This decrease occurs throughout the sample (not just at the exposed surface) and is of sufficient magnitude to result in an increase of 2.5% in solar transmittance in a period of nine years. Optical and ESR studies did
J. Vitko, J.E. Shelby
openaire   +1 more source

Review on Carousel Heliostat Designs

Journal of Solar Energy Engineering
Abstract An overview of carousel heliostats is given. The general advantages and disadvantages are explained first. To distinguish between the different designs, possible variants of the carousel architecture and of the main components are described.
openaire   +2 more sources