How CFD can help gain the most efficient data centre designs

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Using the most powerful 3-D software available; computational fluid dynamics models the airflow within your data centre. It provides a graphic analysis of how hot and cool air flows, and Keysource use this tool as it is essential to gain the most efficient data centre designs.

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How CFD can help gain the most efficient data centre designs

  1. 1. Computational Fluid Dynamics (CFD) – Virtual facility Keysource Ltd 0845 204 3333 www.keysource.co.uk
  2. 2. What is CFD? Computational fluid dynamics (CFD) is one of the branches of fluid mechanics that uses numerical methods and algorithms to solve and analyse problems that involve fluid flows. Computers are used to perform the millions of calculations required to simulate the interaction of liquids and gases with surfaces defined by boundary conditions.
  3. 3. Model data Every item within the model is constructed to replicate actual physical and operational attributes as closely as possible including: Servers – Airflow, Temperature Rise Air Handling – Capacity Curves, Control Philosophy, Fan Power Cabinets – Airflow, Obstructions, Cable Obstructions Materials – Density, Conductivity, Specific Heat Capacity, Surface Emissivity
  4. 4. Servers
  5. 5. Room build process Raised Floor, Pillars
  6. 6. Room build process Cabinets Cabinets
  7. 7. Room build process Aisle containment
  8. 8. Room build process Aisle containment
  9. 9. Room build process Air Inlet and Discharge Grilles
  10. 10. Room build process Electrical Infrastructure
  11. 11. Room build process UPS & Batteries
  12. 12. Room build process Ceiling (air return plenum)
  13. 13. Room build process Lighting
  14. 14. Room build process Power Distribution
  15. 15. Rack Power densities Initial Deployment Future Deployment
  16. 16. Results – Equipment Inlet Temperatures
  17. 17. Temperature plane
  18. 18. Results - Temperature plane
  19. 19. Results – Supply air
  20. 20. Design Process Identification of Cabs With High Inlet Temperatures
  21. 21. Design process Identification of Air Streams
  22. 22. Design Process Identification of Cause of Elevated Temperature
  23. 23. Audit Example Existing Facility Modelled to Server Level
  24. 24. Audit Example Identifying Hot Racks / Improved Layout
  25. 25. Audit Example Identifying How Air is Mixing
  26. 26. Audit Example Short Cycling
  27. 27. Recap Conceptual Design Detailed Design Ongoing Management Managing Airflow is the Enabler to Efficient Cooling

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