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Confort au Vent – PSG training center

Wind comfort engineering

Since the creation of their new training center in Poissy, PSG has encountered problems with high wind speeds on the professional pitches, making training difficult for the players.

EOLIOS ingénierie contributed its technical expertise to the understanding and aeraulic modelling of the PSG training center by carrying out CFD studies.

Project

Confort au Vent - PSG training center

Year

2024

Customer

PSG

Location

France

Typology

Air & Wind

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Our expertise:

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First of all, it was crucial to understand the
wind direction and speed at the site
. EOLIOS ingénierie used local weather data and satellite images to get the full picture. Then, thanks to
sophisticated CFD simulations
the company was able to
to model the wind flow
environment of the training center, taking into account the specific
specific characteristics of the site
such as buildings, playing fields and surrounding topographical formations.

The CFD study carried out by EOLIOS ingénierie enabled us to
detailed analysis of fluid flow
in and around the PSG training center. This analysis made it possible to
detect the areas where the wind was strongest
and the
factors that could contribute to this situation
. Thanks to this information
measures have been taken to mitigate the impact of wind on training grounds
.

3D model of the study theater

Wind measurement campaign

Anemometers

The
wind measurement
at the training center is
essential
to
understand aerodynamic conditions
players face during their training sessions. EOLIOS ingénierie carries out a
wind measurement campaign
using
anemometers specifically adapted to soccer pitches
to provide
valuable data
on variations in wind speed and direction.

Visit
first stage
of the campaign consists of
an in-depth analysis of the site
for
identify strategic points
where the anemometers are to be installed. These points can be
key positions on training grounds
or areas
exposed to particular wind conditions
. The experts at EOLIOS ingénierie use
specialized tools
such as
aerodynamic modeling software
and local
local meteorological data
for
accurately select
these
locations
.

Wind measurement campaign
Wind measurement campaign

The
anemometers continuously record wind data
during the measurement campaign. Visit
data are analyzed by EOLIOS engineering experts
to gain an in-depth
in-depth understanding of wind variations
. L’
wind data analysis
to
determine wind patterns and trends
. This includes the detection of
areas with the highest wind speeds
seasonal
seasonal wind changes
and specific
specific weather conditions
that influence the wind on training grounds. Data can be represented as
charts or maps
to clearly visualize wind characteristics.

Smoke tests for wind studies

L’
main objective
of
smoke tests
is to
visualize air movements
at different heights above the ground. These tests are carried out using
special smoke generators
that produce
visible smoke
to visualize air currents
air currents
. By dispersing smoke in the field, we can visually observe how the wind moves and interacts with the environment.

The
data collected
during the smoke tests are then analysed
analyzed in detail
by the experts at EOLIOS ingénierie. The aim is to understand
wind movements
wind
areas where the wind can be turbulent
or create
areas of strong air currents
. This information is essential for
informed decisions
such as the layout of the terrain, the arrangement of surrounding structures or the choice of training techniques adapted to specific wind conditions.
specific wind conditions
.

Smoke test campaign

The
wind measurement campaign with smoke tests
offered by EOLIOS ingénierie provides a
precise view of aerodynamic conditions
on a soccer pitch. Thanks to these tests, it is possible to
visualize wind movements
, d’
identify areas where the wind is stronger or more turbulent
and
take measures to optimize playing conditions
. By combining this approach with
wind speed and direction measurements
a
analysis is carried out
to provide valuable information for the design
design, layout and training of soccer pitches
.

Wind comfort study

Wind comfort modeling

In this study, the
the precise modelling of the environment around the
is very important, as the
topography
is responsible for
wind phenomena
occurring on the grounds. For example, the
building in the northern part
of the site acts as an
air mask

Flow diagram around the building - simplification

What is wind comfort?

Aeraulic comfort refers to air quality and ventilation conditions in an enclosed or outdoor space. An aeraulically comfortable environment contributes not only to physical well-being, but also to productivity and overall health.

Air comfort on a soccer pitch plays a crucial role in the players’ experience, influencing their performance and well-being during the game. Several factors contribute to this perceived comfort, and their balance can make the difference between a positive experience and a feeling of discomfort.

Air circulation in the field is essential. Good ventilation helps regulate ambient temperature, avoiding excessively hot or cold conditions that could affect player performance. Adequate airflow can also help dissipate body heat generated during physical exertion, improving thermal comfort. However, too rapid an airflow is detrimental to sportsmanship and performance, and can be unpleasant for players.

As mentioned above, our engineers develop the most appropriate solutions to solve any air discomfort problem, whether indoors or outdoors.

CFD simulation

The results of CFD (Computational Fluid Dynamics) simulation analysis of a soccer pitch offered valuable insights into the airflow and turbulence behaviors that occur during a match. These simulations help to understand and optimize player performance, in particular by analyzing the effect of ventilation, weather conditions and infrastructure design on the course of play.

Play Video
Example of wind comfort and extreme wind study

In these simulations, several factors are taken into account, such as pitch geometry, player characteristics, wind speed and direction, air temperature and humidity. The complex interactions between these factors can be modeled to accurately predict airflows at different positions in the terrain.

For example, CFD analysis can help determine areas of the field where the ball is subject to strong turbulence, affecting its trajectory and range. This information can be used to improve pitch design to reduce turbulence and thus improve the quality of play.

In addition, CFD analysis was used to analyze the effects of surrounding topography, such as buildings or trees, on air flows around the site. This enables informed decisions to be made when designing technical solutions to optimize airflow and minimize unwanted disturbances.

General information on wind protection solutions for sportspeople

Several technical solutions are available for wind protection, depending on the desired objective and the specific constraints of the site. Here are a few examples of frequently used solutions:

  • Use of barriers and screens : Installing barriers and screens can help reduce wind speed and create more sheltered areas. These structures can be built from robust materials such as steel, wood or composites, and can be adapted to suit the environment and the desired aesthetic.
  • Landscaping: Planting trees and shrubs can provide a natural barrier against the wind. Evergreen trees and dense shrubs are often preferred to reduce wind speed. It is important to choose species that are well adapted to local conditions and to take into account the distance from infrastructures in order to minimize any risk of damage.
  • Windbreak wall systems: Walls or panels specially designed to block the wind can be installed on the most exposed sides. These walls can be built from solid materials such as brick, concrete or glass. It is also possible to use canvas or wire mesh panels, which significantly reduce the force of the wind while retaining a degree of transparency.
  • Screens and nets: The use of screens and nets can help limit wind speed and turbulence. These screens can be made from materials such as wire mesh, canvas or plastic. They can be installed along fences, on terraces or near exposed areas.
  • Building design and orientation: Proper building design can help reduce the impact of wind. For example, the use of rounded or profiled shapes can help minimize wind resistance. In addition, appropriate orientation of buildings with respect to the prevailing wind direction can reduce its direct effect on sensitive areas.

These technical solutions can be used alone or in combination, depending on the specific needs of each situation. It is important to take into account local environmental conditions, as well as climatic standards and regulations, when installing these solutions for optimum efficiency and safety.

Video summary of the study

Play Video

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