Posters
Come meet the poster presenters to ask them questions and discuss their work
We would like to invite you to come and see the posters at our upcoming conference. The posters will showcase a diverse range of research topics, and will give delegates an opportunity to engage with the authors and learn more about their work. Whether you are a seasoned researcher or simply curious about the latest developments in your field, we believe that the posters will offer something of interest to everyone. So please join us at the conference and take advantage of this opportunity to learn and engage with your peers in industry and the academic community.
On 9 April at 17:15, we’ll also hold the main poster session and distinguish the 7 best posters of this year’s edition with our traditional Poster Awards Ceremony. Join us at the poster area to cheer and meet the laureates, and enjoy some drinks with all poster presenters!
We look forward to seeing you there!
PO143: A hybrid methodology for addressing the challenges of wind resource assessment in mountainous terrain
Julien Deparday, Senior Scientist, Eastern Switzerland University of Applied Sciences
Abstract
The assessment of wind potential in valleys of mountainous terrain is a complex process. Winds in mountainous terrain are altered by topographic features. In addition, in mountain valleys thermal-wind flow is driven by temperature-induced pressure gradients along the valley. Such meteorological parameters are not taken into account in CFD-based wind atlases, but thermal winds were found to increase wind speeds considerably compared to valleys without thermal winds. The underestimation of local winds may result in an inaccurate wind resource assessment, which could hinder the installation of new wind turbines in mountainous valleys. In this paper, we introduce a relatively cheap and efficient hybrid methodology to assess wind potential in remote mountainous terrain without expensive and long-term wind resource assessments in the area of interest. The proposed hybrid methodology combines wind tunnel experiments with downscaling techniques. Wind tunnel experiments are capable of accurately reproducing the topography and providing wind measurements at any location. Downscaling methods facilitate the utilisation of meteorological simulations that encompass various meteorological parameters, and propagate the results to a finer scale. In our proposed methodology, the results of wind tunnel experiments are employed to calibrate the downscaling techniques, to obtain more accurate spatial wind estimation at finer spatial scales. We apply our proposed methodology here to a deep Swiss Alpine valley fork, namely a region around Sargans within the Rhine valley between Chur and Lake Constance. The valley bottom is between 2 km and 3 km wide, surrounded by mountains reaching to an altitude of 3 km. Other steep valleys are connected to this valley, bringing their local wind effects. We compare the outcomes of wind tunnel experiments and wind downscaling in this region. This represents a preliminary step in the development of the hybrid methodology, which would provide greater confidence for wind resource assessment in mountainous terrain.
No recording available for this poster.
