Results 61 to 70 of about 287 (175)

The FLAP Heliostat

SolarPACES Conference Proceedings, 2023
Heliostats represent a major cost share of concentrating solar power (CSP) plants with central receiver. They are essential for system efficiency and strongly influence maintenance cost and service life. Since CSP facilities require direct solar radiation, suitable installation sites can eminently be found in desert regions.
Rupert Preßmair, Armin Buchroithner
openaire   +1 more source

Control Algorithms and Hardware for a Concentrating Solar Plant Based on Fluidized Bed With Improved Heliostat Calibration System

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
The present paper deals on a concentrating solar system with thermal energy storage, recognized as a potentially useful technology to be integrated in power systems and industries, to support their decarbonization. The paper focuses on the control system of the solar field, employing two‐axis (pitch‐roll) tracking mirrors (heliostats) and a beam‐down ...
Antonio Scafuri, Matteo Scanzano, Antonio De Caro, Lorenzo Romagnoli, Fulvio Bassetti, Letizia Magaldi, Maria Carmen Falvo, Chaofan Sun   +7 more
wiley   +1 more source

In Situ Enhancement of Heliostat Calibration Using Differentiable Ray Tracing and Artificial Intelligence

SolarPACES Conference Proceedings
The camera target method is the most commonly used calibration method for heliostats at solar tower power plants to minimize their sun tracking errors.
Max Pargmann, Jan Ebert, Stefan Kesselheim, Daniel Maldonado Quinto, Robert Pitz-Paal   +4 more
doaj   +1 more source

A Comprehensive Study on Hydrogen Production via Waste Heat Recovery of Gas Turbine Cycles in Cogeneration Power‐Hydrogen Layouts: 4E Study and Optimization

International Journal of Energy Research, Volume 2025, Issue 1, 2025.
The efficient utilization of waste energy in gas turbine (GT) cycles (GTCs) is a crucial aspect of sustainable energy production. While previous studies have explored various aspects of waste energy recovery, a comparative analysis of different bottoming configurations has been lacking.
Mohammad Zoghi, Nasser Hosseinzadeh, Saleh Gharaie, Ali Zare, Panagiotis Grammelis   +4 more
wiley   +1 more source

Materials Comparison for Reducing Heliostats Production Costs

SolarPACES Conference Proceedings
The alarming issue of climate change and the necessity to increase the renewable energy stake has become the driving force for cost reduction measures taken in various renewable technologies.
Javier Martell, Kenneth Armijo, Dimitri Madden   +2 more
doaj   +1 more source

Tilt–Roll Heliostats and Non-Flat Heliostat Field Topographies for Compact, Energy-Dense Rooftop-Scale and Urban Central Receiver Solar Thermal Systems for Sustainable Industrial Process Heat

Energies
Industrial process heat typically requires large amounts of fossil fuels. Solar energy, while abundant and free, has low energy density, and so large collector areas are needed to meet thermal needs.
Joshua Freeman, Walajabad Sampath, Krishnashree Achuthan   +2 more
doaj   +1 more source

Heliostat cost reduction study. [PDF]

, 2007
Power towers are capable of producing solar-generated electricity and hydrogen on a large scale. Heliostats are the most important cost element of a solar power tower plant. Since they constitute {approx} 50% of the capital cost of the plant it is important to reduce heliostat cost as much as possible to improve the economic performance of power towers.
Jones, Scott A., Lumia, Ronald. (University of New Mexico, Albuquerque, NM), Davenport, Roger (Science Applications International Corporation, San Diego, CA), Thomas, Robert C. (Advanced Thermal Systems, Centennial, CO), Gorman, David (Advanced Thermal Systems, Larkspur, Kolb, Gregory J., Donnelly, Matthew W.   +17 more
openaire   +2 more sources

Development of Heliostat Field Calibration Methods

SolarPACES Conference Proceedings
In this work, three patent pending calibration methods for heliostat fields of central receiver systems (CRS) developed by the Solar-Institut Jülich (SIJ) of the FH Aachen University of Applied Sciences are presented.
Johannes Christoph Sattler, Iesse Peer Schneider, Florian Angele, Vikrama Atti, Cristiano Teixeira Boura, Ulf Herrmann   +5 more
doaj   +1 more source

Evaluation of the Spot Shape on the Target for Flat Heliostats

Energies, 2018
The aim of this study is to evaluate the changes of the spot shape on the target in dependence of the variations of size and faceting of a flat heliostat or an array of heliostats.
David Jafrancesco, Daniela Fontani, Franco Francini, Paola Sansoni   +3 more
doaj   +1 more source

Variation of Heliostat Wind Loads in a Radial Field Array Model

SolarPACES Conference Proceedings
The design of heliostats throughout a concentrated solar power (CSP) plant are currently of uniform design, however, research into the variation in heliostat wind loading within a radially staggered field array can provide insight into potential material
Matthew Marano, Matthew Emes, Azadeh Jafari, Maziar Arjomandi   +3 more
doaj   +1 more source