Data center – DC25 & DC26 – External
Data center external CFD simulation, wind impact study
The in-depth study carried out by EOLIOS enabled us to complete the risk assessment, optimize the design and optimize the energy consumption of the data center.
Data center external CFD simulation, wind impact study
Year
2021
Customer
NC
Location
France
Typology
Data Center - External
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Description of the CFD study
Numerical simulations contribute to a better understanding of thermo-aerodynamic phenomena. The main benefit of CFD is to foresee and verify all eventualities in order to develop relevant technical solutions.
Thanks to EOLIOS’ own calculation servers, models can be simulated in their entirety with great precision.
This makes it possible to simultaneously analyze the impact of numerous phenomena on the external thermo-aerodynamic evolution of the data center.
The study highlighted a number of design faults which have now been rectified.
Video synthesis of CFD temperature cutting
According to the site’s climatic studies, for an unfavorable summer wind, the study of the thermal plumes generated by the generators concluded that the air coolers were severely disrupted, and could even fail.
The design of the extraction air shafts was revised to eliminate the harmful thermo-aerodynamic phenomena at the root of these problems.
In a second phase, studies focused on monitoring the discharge of smoke from generator engines, depending on the positioning of office AHU air intakes. The aim was to eliminate the risk of pollution. office intake air.
A optimized positioning of the air inlets was achieved.
Finally, it is now well known that data center thermal plumes can influence local air temperatures by up to a hundred meters.
To this end, several buildings and their systems were modelled to verify the influence of thermal discharges from existing buildings and those under construction. The levels of risk of disturbance were established in relation to site climate studies.
Identifying hot spots
In a second phase, studies focused on monitoring the discharge of smoke from generator engines, depending on the positioning of office AHU air intakes. The aim was to eliminate the risk of pollution. office intake air.
A optimized positioning of the air inlets was achieved.
Finally, it is now well known that data center thermal plumes can influence local air temperatures by up to a hundred meters.
To this end, several buildings and their systems were modeled to verify the influence of thermal discharges from existing buildings and those under construction. The levels of risk of disturbance were established in relation to site climate studies.
Thanks to the study’s conclusions, we were able to propose appropriate solutions to the design teams to resolve these issues.
Using CFD simulation, you can analyze, predict, verify and correct any errors that may occur in your design.
This fast, accurate method saves design time and costs.
What’s more, it guarantees concrete, reliable results.
Integrating CFD into the design phase means calling on experts to ensure that no problems arise in the future.
Video summary of thermal plume analysis at two data centers
This analysis made it possible tothe exhaust plume from a series of emergency generators generators for a data center. The objective was to determine whether the exhaust gases would contaminate the air cooling equipment in the data center and adjacent office building.
Tracking NOx particles in warm exhaust air, it was determined that the HVAC equipment was always supplied with clean air for the most unfavorable wind orientations.
Illustration of site thermal plumes (+X °C relative to the environment); air velocity color.
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