Data center – DC14 – External
Data center – D14 – External
In a few words
EOLIOS Ingénierie provided an overview of the thermo-aerodynamic conditions of a datacenter’s thermal plume and the generator sets of adjacent datacenters.
Data center - D14 - External
Year
2022
Customer
NC
Location
Milan
Typology
Data Center - External
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Project description
The aim of this study is toexamine the exhaust plume from a series of generators in relation to rooftop systems for a data center. The aim is to determine whether the exhaust from the systems can contaminate the supply air for the various pieces of equipment, and their impact on adjacent buildings. To this end, CFD numerical computations are used to simulate the thermo-aerodynamic behavior of the various phenomena taking place outside the model.
In CFD modeling, the shape of the vertical wind speed profile is extremely important. It depends mainly on the degree of surface roughness, i.e. the slowing effect of buildings, trees and other obstacles that impede wind flow at the surface. Over the entire thickness of the atmospheric boundary layer, wind speed increases with distance from the ground. In our study, to take account of wind shear, we use a methodology similar to that of a physical wind tunnel, considering the urban environment for a periphery of 300m around the study site and applying a site-dependent velocity profile.
Digital twin of the
Simulation of external thermo-aerodynamic phenomena
CFD simulation has shown that, in this study, thermal plumes have a distant influence outside their emission zone, but that overall, in the direct vicinity of the releases, there are no major looping phenomena that could cause systems to shut down.
The supply air is correctly drawn in from the lower parts and evacuated at altitude.
These findings were a valuable aid to the design teams in checking that the layout of the cooling systems did not generate recirculation zones.
CFD thermo-aerodynamic study of a data center
Simulations can contribute to a better understanding of the problem in order to develop relevant technical solutions.
Models can be simulated in their entirety, enabling thesimultaneous analysis of the impact of numerous phenomena.
This study has shown that the very high density of installations leads to some hot spots on roofs.
The most disadvantaged systems in the center are likely to take in air beyond their operating range.
Thanks to the conclusions reached by our engineers, we were able to offer the design teams appropriate solutions to these problems.
Using CFD simulation, you cananalyze, 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 the study
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