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TRIMIS

Exposing Spatio-Temporal structures of turbulence in the Atmospheric Boundary Layer with In-Situ measurements by a fleet of Unmanned Aerial Systems

PROJECTS
Funding
European
European Union
Duration
-
Total project cost
€1 479 205
EU Contribution
€1 479 205
Project Acronym
ESTABLIS-UAS
STRIA Roadmaps
Connected and automated transport (CAT)
Transport policies
Other specified
Transport sectors
Freight transport,
Passenger transport

Overview

Call for proposal
ERC-2021-STG
Link to CORDIS
Background & Policy context

The EU-funded ESTABLIS-UAS project aims to use a fleet of unmanned aerial vehicles to measure wind characteristics, temperature and humidity with high resolution. The analysis of data derived from the swarm of drones combined with ground observation and remote sensing data will provide unprecedented insight into the complex processes of the atmospheric boundary layer. A better understanding of the effects of turbulence would allow engineers to determine more accurately the loads to which wind turbines will be subjected during their lifecycle and predict how much power they will feed into the energy grid.

Objectives

Exchange and transport processes in the atmospheric boundary layer (ABL) are driven by turbulence on a wide range of scales. Their adequate parameterization in numerical weather prediction (NWP) models is essential for a high predictive skill of forecasts. In heterogenous and complex terrain, the common simplification of turbulence to statistical models does not necessarily hold. Coherent structures such as convective cells, secondary circulations, gusts, slope and valley flows can be summarized to sub-mesoscale structures which are not well represented in models. A reason for the lack of understanding of these flow features is the challenge to adequately sample their spatio-temporal structure and their contribution to the energy budget of the ABL.

The project ESTABLIS-UAS will provide methods to expose spatio-temporal structures in the ABL with in-situ measurements by a fleet of unmanned aerial systems (UAS). For this purpose, small, rotary-wing UAS will be enabled to measure three-dimensional wind, temperature and humidity in organized, spatially distributed networks. The project will include a three-fold approach to validate single UAS measurements, fleet observations and methods to derive spatial averages and fluxes. Wind tunnel tests, field experiments and virtual measurements in numerical simulations will be performed.

The validated UAS fleet will be deployed in two campaigns in the framework of the TEAMx research programme, focusing on the mountain boundary layer (MoBL). The ESTABLIS-UAS measurements will fill observational gaps in the sub-mesoscale. The analysis of the UAS fleet data in synthesis with ground observations and remote sensing will provide unprecedented new insights into the complex MoBL flow and the components of its energy budget. The results will foster the development of new and better parameterization of the ABL in complex terrain.

Funding

Specific funding programme
HORIZON.1.1 - European Research Council (ERC)
Other Programme
ERC-2021-STG ERC STARTING GRANTS

Partners

Lead Organisation
EU Contribution
€1 479 205

Technologies

Technology Theme
Aircraft operations and safety
Technology
Big data analytics for management of ATM systems
Development phase
Demonstration/prototyping/Pilot Production

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