Emmanuel Guillot
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View article: Current Progress of Activities at EU-SOLARIS ERIC: The European Research Infrastructure Consortium for CSP Technologies
Current Progress of Activities at EU-SOLARIS ERIC: The European Research Infrastructure Consortium for CSP Technologies Open
An ERIC, established by a decision of the European Commission, is a legal entity possessing legal personality and full legal capacity acknowledged across all EU Member States. Its primary role is to establish and operate a research infrast…
View article: Particle Conveyance in a Particle-driven CSP Loop: Design, Operation, Attrition and Erosion
Particle Conveyance in a Particle-driven CSP Loop: Design, Operation, Attrition and Erosion Open
A novel concentrated solar power (CSP) system employing particle-driven technology is currently being scaled to multi-megawatt capacity under the EU Horizon Europe’s “powder-to-powder” (P2P) initiative. The system integrates a fluidized be…
View article: Terrestrial Laser Scanning for Heliostat Surface Shape Determination and Canting Errors Correction
Terrestrial Laser Scanning for Heliostat Surface Shape Determination and Canting Errors Correction Open
Canting errors, resulting from misalignments of heliostat facets, pose a significant challenge to solar power plants' efficiency. Traditional methods of alignment are time-consuming and costly. This paper presents an innovative approach ut…
View article: Intrahour Direct Normal Irradiance Forecasting Based on Sky Image Processing and Time-Series Analysis
Intrahour Direct Normal Irradiance Forecasting Based on Sky Image Processing and Time-Series Analysis Open
The present paper exhibits a hybrid model for intrahour forecasting of direct normal irradiance (DNI). It combines a knowledge-based model, which is used for clear-sky DNI forecasting from DNI measurements, with a machine-learning-based mo…
View article: Building a 5D Database of Heliostats Flux Distributions: Toward High Flexibility High Accuracy Flux Control for Odeillo's Big Solar Furnace
Building a 5D Database of Heliostats Flux Distributions: Toward High Flexibility High Accuracy Flux Control for Odeillo's Big Solar Furnace Open
In order to increase the flexibility and the control of the concentrated solar flux provided to test processes and materials at the big solar furnace in Odeillo (up to 1000 kW and 10000 KW/m2), extensive and accurate knowledge of the indiv…
View article: Intercomparison of opto-thermal spectral measurements for concentrating solar thermal receiver materials from room temperature up to 800 °C
Intercomparison of opto-thermal spectral measurements for concentrating solar thermal receiver materials from room temperature up to 800 °C Open
An intercomparison of opto-thermal spectral measurements has been performed for some relevant receiver materials in concentrating solar thermal applications, from room temperature up to 800°C. Five European laboratories performed spectral …
View article: Solar-pumped dual-rod Ce:Nd:YAG laser with 58 W continuous-wave output power and 5.1° tracking error compensation width
Solar-pumped dual-rod Ce:Nd:YAG laser with 58 W continuous-wave output power and 5.1° tracking error compensation width Open
The pursuit of high-power solar laser systems with high efficiency and capacity for large tracking error compensation is determinant for the applicability of this renewable technology. A side-pumped dual-rod Ce:Nd:YAG solar laser was devel…
View article: Efficient Production of Doughnut-Shaped Ce:Nd:YAG Solar Laser Beam
Efficient Production of Doughnut-Shaped Ce:Nd:YAG Solar Laser Beam Open
Laser beams with a doughnut-shaped profile have garnered much attention for their contribution to trapping nanoparticles and improving the scanning speed during laser-based 3D metal printing. For this reason, the production of a doughnut-s…
View article: Stable Emissions from a Four-Rod Nd:YAG Solar Laser with ±0.5° Tracking Error Compensation Capacity
Stable Emissions from a Four-Rod Nd:YAG Solar Laser with ±0.5° Tracking Error Compensation Capacity Open
Conventional solar-pumped lasers rely on expensive and highly accurate solar tracking systems, which present a significant economic barrier to both solar laser research and practical applications. To address this challenge, an end-side-pum…
View article: Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L4 data)
Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L4 data) Open
Flux measurements at the big solar furnace in Odeillo. Data levels description: Level 0 data: raw datasets from the different acquisition systems (cameras, radiometers, motion controllers…). Level 1 data: area of interest extracted from fl…
View article: Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L2 data)
Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L2 data) Open
Flux measurements at the big solar furnace in Odeillo. Data levels description: Level 0 data: raw datasets from the different acquisition systems (cameras, radiometers, motion controllers…). Level 1 data: area of interest extracted from fl…
View article: Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L2 data)
Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L2 data) Open
Flux measurements at the big solar furnace in Odeillo. Data levels description: Level 0 data: raw datasets from the different acquisition systems (cameras, radiometers, motion controllers…). Level 1 data: area of interest extracted from fl…
View article: Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L4 data)
Flux measurements at the CNRS big solar furnace in Odeillo with heliostat scan (L4 data) Open
Flux measurements at the big solar furnace in Odeillo. Data levels description: Level 0 data: raw datasets from the different acquisition systems (cameras, radiometers, motion controllers…). Level 1 data: area of interest extracted from fl…
View article: 40 W Continuous Wave Ce:Nd:YAG Solar Laser through a Fused Silica Light Guide
40 W Continuous Wave Ce:Nd:YAG Solar Laser through a Fused Silica Light Guide Open
The solar laser power scaling potential of a side-pumped Ce:Nd:YAG solar laser through a rectangular fused silica light guide was investigated by using a 2 m diameter parabolic concentrator. The laser head was formed by the light guide and…
View article: Uniform and Non-Uniform Pumping Effect on Ce:Nd:YAG Side-Pumped Solar Laser Output Performance
Uniform and Non-Uniform Pumping Effect on Ce:Nd:YAG Side-Pumped Solar Laser Output Performance Open
The Ce:Nd:YAG is a recent active medium in solar-pumped lasers with great potential. This study focuses on the influence of two secondary concentrators: a fused silica aspherical lens and a rectangular fused silica light guide; and consequ…
View article: The Influence of Solar Sintering on Copper Heat Exchanger Parts with Controlled 3D-Printed Morphology
The Influence of Solar Sintering on Copper Heat Exchanger Parts with Controlled 3D-Printed Morphology Open
From a scientific point of view, heat transfer is different in solar furnaces compared with classical ones and the influence of direct concentrated solar radiation on sintered parts needs to be studied in detail to determine the feasibilit…
View article: Data used for the article "Hybrid intrahour DNI forecast model based on DNI measurements and sky-imaging data"
Data used for the article "Hybrid intrahour DNI forecast model based on DNI measurements and sky-imaging data" Open
Data used to obtain the results presented in the article "Hybrid intrahour DNI forecast model based on DNI measurements and sky-imaging data". CNRS_PROMES_DNI_2020-09-03_2021-01-11.zip : contains DNI measurements taken at PROMES-CNRS labor…
View article: Data used for the article "Hybrid intrahour DNI forecast model based on DNI measurements and sky-imaging data"
Data used for the article "Hybrid intrahour DNI forecast model based on DNI measurements and sky-imaging data" Open
Data used to obtain the results presented in the article "Hybrid intrahour DNI forecast model based on DNI measurements and sky-imaging data". CNRS_PROMES_DNI_2020-09-03_2021-01-11.zip : contains DNI measurements taken at PROMES-CNRS labor…
View article: A Comparative Study of Machine Learning-Based Methods for Global Horizontal Irradiance Forecasting
A Comparative Study of Machine Learning-Based Methods for Global Horizontal Irradiance Forecasting Open
The proliferation of photovoltaic (PV) power generation in power distribution grids induces increasing safety and service quality concerns for grid operators. The inherent variability, essentially due to meteorological conditions, of PV po…
View article: Sun backward gazing method for measuring optomechanical errors of solar concentrators: experimental results
Sun backward gazing method for measuring optomechanical errors of solar concentrators: experimental results Open
This paper presents the first experimental results obtained with the four cameras backward gazing method for measuring the optomechanical errors of solar concentrating surfaces in operation. It consists in combining the images simultaneous…
View article: Solar calcination at pilot scale in a continuous flow multistage horizontal fluidized bed
Solar calcination at pilot scale in a continuous flow multistage horizontal fluidized bed Open
Calcination of limestone for lime production was successfully performed in the continuous flow mode on a daily basis in a fluidized bed indirectly heated by concentrated solar radiation. Industrial calcium carbonate feedstock was decompose…
View article: Characterization of a pilot fluidized bed reactor for solar calcination processes
Characterization of a pilot fluidized bed reactor for solar calcination processes Open
Nowadays, the calcination of mineral particles is mainly performed by burning carbonaceous fuels. Consequently, this process is the second source of carbon dioxide emission worldwide. This study, developed in the framework of the SOLPART H…
View article: Report on preliminary damage localization testing on SiC Solar receiver using acoustic emission
Report on preliminary damage localization testing on SiC Solar receiver using acoustic emission Open
Materials used in solar receivers are exposed to high stresses, i.e. high temperatures (up to 1000° C in current solar towers, 1400°C for next generations, resp. 350 and 700°C for linear concentrators); high spatial thermal gradients (main…