Accueil » Projets » Data center – DC25 & DC26 – External
EOLIOS’ in-depth study has allowed to complete the risk assessment, to optimize the design and to optimize the energy consumption of the data center.
Data Center - External
Numerical simulations contribute to a better understanding of thermo-aerodynamic phenomena. The major interest of CFD is to predict and verify all eventualities in order to develop relevant technical solutions. Thanks to the calculation servers that EOLIOS possesses, the models can be simulated in their entirety with great precision. This makes it possible to simultaneously analyze the impact of many phenomena on the external thermo-aerodynamic evolution of the data center. This study revealed design flaws that could be rectified.
According to the climatic studies of the site, for an unfavorable summer wind, the study of the thermal plumes generated by the generators concluded that there was a very strong disturbance of the air coolers, or even a potential failure of these . The design of the air extraction wells has been reviewed in order to eliminate the harmful thermo aeraulic phenomena at the origin of these problems.
In a second phase, the studies focused on the follow-up of the rejection of the fumes from the combustion of generator engines, depending on the positioning of the air intakes of the office AHUs. The objective being to eliminate the risk of pollution of the office intake air. A optimization of the positioning of the air inlets could be realized.
Finally, it is now known that data center thermal plumes can influence local air temperatures over a hundred meters. As such, several buildings and their systems have been modeled in order to verify the influence of thermal discharges from existing buildings and under construction. The levels of risk of disturbance could be established in relation to the climatic studies of the site .
Thanks to the conclusions of the study, we were able to propose to the design teams adapted solutions to solve these problems. Using a CFD simulation, you can analyze, predict, verify and correct any errors that may occur in your design. This fast and accurate method saves design time and costs. In addition, it guarantees concrete and reliable results. Integrating CFD into the design phase means bringing in experts to ensure that no problems occur in the future.
This analysis allowed tothe exhaust plume from a series of backup generators for a data generators for a data center. The objective was to determine if the exhaust would contaminate the air cooling equipment in the data center and adjacent office building. By tracking NOx particles in the hot exhaust air, it was determined that the HVAC equipment was always supplied with clean air for the most unfavorable wind orientations.
Illustration of the site thermal plumes (+ X ° C compared to the environment); air speed color.
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