[HTML][HTML] Review of heliostat calibration and tracking control methods
JC Sattler, M Röger, P Schwarzbözl, R Buck, A Macke… - Solar Energy, 2020 - Elsevier
Large scale central receiver systems typically deploy between thousands to more than a
hundred thousand heliostats. During solar operation, each heliostat is aligned individually in …
hundred thousand heliostats. During solar operation, each heliostat is aligned individually in …
Sources of solar tracking errors and correction strategies for heliostats
Heliostat fields represent the primary energy input for concentrating solar-thermal power
based on power tower technology. They typically account for 40%–50% of the …
based on power tower technology. They typically account for 40%–50% of the …
Direct tracking error characterization on a single-axis solar tracker
F Sallaberry, R Pujol-Nadal, M Larcher… - Energy Conversion and …, 2015 - Elsevier
The solar trackers are devices used to orientate solar concentrating systems in order to
increase the focusing of the solar radiation on a receiver. A solar concentrator with a …
increase the focusing of the solar radiation on a receiver. A solar concentrator with a …
A novel integrated simulation approach couples MCRT and Gebhart methods to simulate solar radiation transfer in a solar power tower system with a cavity receiver
An integrated simulation approach, which couples Monte Carlo ray tracing (MCRT) and
Gebhart methods, is proposed to simulate solar radiation transfer in a solar power tower …
Gebhart methods, is proposed to simulate solar radiation transfer in a solar power tower …
Real-time heliostat field aiming strategy optimization based on reinforcement learning
The heliostat field aiming strategy optimization is a crucial topic in solar power tower (SPT)
plants. The optimal aiming strategy attempts to maximize the thermal power output while …
plants. The optimal aiming strategy attempts to maximize the thermal power output while …
Optical losses due to tracking error estimation for a low concentrating solar collector
F Sallaberry, AG de Jalón, JL Torres… - Energy Conversion and …, 2015 - Elsevier
The determination of the accuracy of a solar tracker used in domestic hot water solar
collectors is not yet standardized. However, while using optical concentration devices, it is …
collectors is not yet standardized. However, while using optical concentration devices, it is …
[HTML][HTML] Drift analysis in tilt-roll heliostats
Drift is a relevant issue in concentrated solar tower facilities since this time-dependent
pointing error severely affects their performance. This work deals with the optical analysis of …
pointing error severely affects their performance. This work deals with the optical analysis of …
Optimization of robust aiming strategies in solar tower power plants
In solar tower power plants aiming strategies are used to distribute the heat flux on the
receiver surface. An optimal strategy maximizes the mass flow while avoiding thermal …
receiver surface. An optimal strategy maximizes the mass flow while avoiding thermal …
Influence of receiver surface spectral selectivity on the solar-to-electric efficiency of a solar tower power plant
F Larrouturou, C Caliot, G Flamant - Solar Energy, 2016 - Elsevier
The spectral selectivity results in increasing the absorption of the incident solar flux and
decreasing the radiative losses due to emission of heated walls. This study investigates the …
decreasing the radiative losses due to emission of heated walls. This study investigates the …
Evaluation and measurement of heliostat misalignment in solar power plant using vector model
E Carretero, J Preciado, I Salinas, I Ayora, C Heras - Optics Express, 2019 - opg.optica.org
Heliostat alignment evaluation is among the main issues in solar tower concentration plant
operation and maintenance. This paper describes a novel method used to evaluate heliostat …
operation and maintenance. This paper describes a novel method used to evaluate heliostat …