Alessandro Croce
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View article: Bayesian network 3D event reconstruction in the Cygno optical TPC for dark matter direct detection
Bayesian network 3D event reconstruction in the Cygno optical TPC for dark matter direct detection Open
The CYGNO experiment is developing a high-resolution gaseous Time Projection Chamber with optical readout for directional dark matter searches. The detector uses a helium-tetrafluoromethane (He:CF $$_4$$ 60:40) gas mixture at atmospheri…
View article: The role of motion-excited coherent structures in improved wake recovery of a floating wind turbine
The role of motion-excited coherent structures in improved wake recovery of a floating wind turbine Open
This study experimentally investigates wake recovery mechanisms behind a floating wind turbine subjected to imposed fore-aft (surge) and side-to-side (sway) motions. Wind tunnel experiments with varying free-stream turbulence intensities (…
View article: Uniform Blade Pitch Misalignment in Wind Turbines: a learning-based detection and classification approach
Uniform Blade Pitch Misalignment in Wind Turbines: a learning-based detection and classification approach Open
Maintaining wind turbines in efficient and optimal working conditions is crucial to maximize energy production and reduce unexpected downtime, especially in remote or offshore installations. Pitch misalignment is one of the most common iss…
View article: Modeling the light response of an optically readout GEM based TPC for the CYGNO experiment
Modeling the light response of an optically readout GEM based TPC for the CYGNO experiment Open
The use of gaseous Time Projection Chambers enables the detection and the detailed study of rare events due to particles interactions with the atoms of the gas with energy releases as low as a few keV. Due to this capability, these instrum…
View article: Round-Robin test II – wake measurements of porous discs under clearly defined boundary conditions
Round-Robin test II – wake measurements of porous discs under clearly defined boundary conditions Open
Ten international teams participated in a second round-robin test with wake measurements behind two different types of actuator discs focusing on comparability of the experimental boundary conditions. Results show that even for such simple…
View article: A machine-learning-based approach for active monitoring of blade pitch misalignment in wind turbines
A machine-learning-based approach for active monitoring of blade pitch misalignment in wind turbines Open
In recent years, timely anomaly detection in wind turbine operations, especially offshore, has become critical. Yet, promptly identifying faults and damage remains a significant challenge, leading to costly maintenance and consumption of r…
View article: Enhancing the light yield of He:CF$$_4$$ based gaseous detector
Enhancing the light yield of He:CF$$_4$$ based gaseous detector Open
The CYGNO experiment aims to build a large ( $$\mathcal {O}(10)$$ m $$^3$$ ) directional detector for rare event searches, such as nuclear recoils (NRs) induced by dark matter (DM), such as weakly interactive massive particles (WI…
View article: A machine learning-based approach for active monitoring of blades pitch misalignment in wind turbines
A machine learning-based approach for active monitoring of blades pitch misalignment in wind turbines Open
In recent years, timely anomaly detection in wind turbine operations, especially offshore, has become critical. Yet, promptly identifying faults and damages remains a significant challenge, leading to costly maintenance and consuming resou…
View article: Enhancing the light yield of He:CF$_4$ based gaseous detector
Enhancing the light yield of He:CF$_4$ based gaseous detector Open
The CYGNO experiment aims to build a large ($\mathcal{O}(10)$ m$^3$) directional detector for rare event searches, such as nuclear recoils (NRs) induced by dark matter (DM), such as weakly interactive massive particles (WIMPs). The detecto…
View article: Floating wind farm design using social and environmental constraints
Floating wind farm design using social and environmental constraints Open
This work proposes a wind farm design methodology, integrating several design variables from different design aspects into an optimization problem, such as turbine power, number of turbines, cable types, wind farm layout and site location.…
View article: A blind test on wind turbine wake modelling based on wind tunnel experiments: Phase I – The benchmark case
A blind test on wind turbine wake modelling based on wind tunnel experiments: Phase I – The benchmark case Open
Wind turbine wake and modelling is crucial to optimizing future wind farm layouts and hence reducing the cost of energy. This paper presents the first phase of a blind test on modelling controlled and uncontrolled wind turbine wakes. The b…
View article: Automatic Detection and Intensity Classification of Pitch Misalignment of Wind Turbine Blades: a Learning-based Approach
Automatic Detection and Intensity Classification of Pitch Misalignment of Wind Turbine Blades: a Learning-based Approach Open
In recent years, monitoring wind turbine operations, especially in offshore and remote installations, has become crucial. System failures, challenging assessments, and costly maintenance operations are notable concerns. Blade pitch misalig…
View article: Challenges in Rotor Aerodynamic Modeling for Non-Uniform Inflow Conditions
Challenges in Rotor Aerodynamic Modeling for Non-Uniform Inflow Conditions Open
Within an international collaboration framework, the accuracy of rotor aerodynamic models used for design load calculations of wind turbines is being assessed. Where the use of high-fidelity computation fluid dynamics (CFD) and mid-fidelit…
View article: Given a wingspan, which windplane design maximizes power?
Given a wingspan, which windplane design maximizes power? Open
Windplanes (i.e. Fly-Gen airborne wind energy systems) harvest wind power via the turbines placed on the tethered wing, which flies crosswind trajectories. In this paper, the optimal design of windplanes is investigated with simplified mod…
View article: Combining wake redirection and derating strategies in a load-constrained wind farm power maximization
Combining wake redirection and derating strategies in a load-constrained wind farm power maximization Open
Power derating and wake redirection are two wind farm control techniques proposed in the last decade as means for increasing the overall wind farm power output. While derating operations are associated with a limited gain in terms of farm …
View article: Reply on RC1
Reply on RC1 Open
Abstract. Power derating and wake redirection are two wind farm control techniques proposed in the last decade as means for increasing the overall wind farm power output. While derating operations are associated with a limited gain in term…
View article: Refining the airborne wind energy system power equations with a vortex wake model
Refining the airborne wind energy system power equations with a vortex wake model Open
The power equations of crosswind Ground-Gen and Fly-Gen airborne wind energy systems (AWESs) flying in circular trajectories are refined to include the contribution from the aerodynamic wake, modeled with vortex methods. This reveals the e…
View article: Combining wake redirection and derating strategies in a wind farm load-constrained power maximization
Combining wake redirection and derating strategies in a wind farm load-constrained power maximization Open
Power derating and wake redirection are two wind farm control techniques proposed in the last decade as means for increasing the overall wind farm power output. While derating operations are associated with a limited gain in terms of farm …
View article: Vortex model of the aerodynamic wake of airborne wind energy systems
Vortex model of the aerodynamic wake of airborne wind energy systems Open
Understanding and modeling the aerodynamic wake of airborne wind energy systems (AWESs) is crucial for estimating the performance and defining the design of such systems, as tight trajectories increase induced velocities and thus decrease …
View article: Refining the airborne wind energy systems power equations with a vortex wake model
Refining the airborne wind energy systems power equations with a vortex wake model Open
The power equations of crosswind Ground-Gen and Fly-Gen airborne wind energy systems (AWESs) flying circular trajectories are refined to include the contribution from the aerodynamic wake, modelled with vortex methods. This allows to under…
View article: OC6 project Phase III: validation of the aerodynamic loading on a wind turbine rotor undergoing large motion caused by a floating support structure
OC6 project Phase III: validation of the aerodynamic loading on a wind turbine rotor undergoing large motion caused by a floating support structure Open
This paper provides a summary of the work done within Phase III of the Offshore Code Comparison Collaboration, Continued, with Correlation and unCertainty (OC6) project, under the International Energy Agency Wind Technology Collaboration P…
View article: Vortex model of the airborne wind energy systems aerodynamic wake
Vortex model of the airborne wind energy systems aerodynamic wake Open
Understanding and modelling the aerodynamic wake of airborne wind energy systems (AWESs) is crucial for estimating the performance and defining the design of such systems, as tight trajectories increase induced velocities, and thus decreas…
View article: Progress in the validation of rotor aerodynamic codes using field data
Progress in the validation of rotor aerodynamic codes using field data Open
Within the framework of the fourth phase of the International Energy Agency (IEA) Wind Task 29, a large comparison exercise between measurements and aeroelastic simulations has been carried out featuring three simulation cases in axial, sh…
View article: A CFD‐based analysis of dynamic induction techniques for wind farm control applications
A CFD‐based analysis of dynamic induction techniques for wind farm control applications Open
Summary Recently, dynamic induction control is gaining the interest of the wind energy community as a promising strategy to increase the overall wind farm power production. Such a technique is based on a dynamic variation of the upstream r…
View article: Flight trajectory optimization of Fly-Gen airborne wind energy systems through a harmonic balance method
Flight trajectory optimization of Fly-Gen airborne wind energy systems through a harmonic balance method Open
The optimal control problem for flight trajectories of Fly-Gen airborne wind energy systems (AWESs) is a crucial research topic for the field, as suboptimal paths can lead to a drastic reduction in power production. One of the novelties of…
View article: Comment on wes-2022-74
Comment on wes-2022-74 Open
Abstract. This paper provides a summary of the work done within Phase III of the Offshore Code Comparison, Collaboration, Continued, with Correlation and unCertainty project (OC6), under International Energy Agency Wind Task 30. This phase…
View article: Current status and grand challenges for small wind turbine technology
Current status and grand challenges for small wind turbine technology Open
While modern wind turbines have become by far the largest rotating machines on Earth with further upscaling planned for the future, a renewed interest in small wind turbines (SWTs) is fostering energy transition and smart grid development.…
View article: OC6 Project Phase III: Validation of the Aerodynamic Loading on a Wind Turbine Rotor Undergoing Large Motion Caused by a Floating Support Structure
OC6 Project Phase III: Validation of the Aerodynamic Loading on a Wind Turbine Rotor Undergoing Large Motion Caused by a Floating Support Structure Open
This paper provides a summary of the work done within Phase III of the Offshore Code Comparison, Collaboration, Continued, with Correlation and unCertainty project (OC6), under International Energy Agency Wind Task 30. This phase focused o…
View article: Comment on wes-2022-34
Comment on wes-2022-34 Open
Abstract. While modern wind turbines have become by far the largest rotating machines on Earth with further upscaling planned for the future, a renewed interest in small wind turbines (SWTs) is fostering energy transition and smart grid de…