Great Lakes Case and Cabinet - Resources

Computational Fluid Dynamics (CFD) modeling uses computer calculations to simulate the interactions of liquids and gases with various surfaces in a defined space. To better understand the role the enclosure plays in the operation of the data center, Great Lakes has developed the capability to perform CFD analysis with data center specific software. We are now able to help customers to better understand what is currently happening in their data center environment, to test or plan capacity increases or, to test a data center, room or pod design before ever starting a build.

To learn more about Great Lakes’ CFD capabilities, please contact your Great Lakes sales representative.

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What a CFD model can do:

Capacity Planning

Address 'hot-spots'

Evaluate efficiency

Floor tile layouts

Test containment solutions

Evaluate room efficiency

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What we need to complete a CFD model:

Layout of the room(s)
CAD detailed drawing
List of IT equipment and assets
List of cooling equipment
Known obstructions under and above floor
Piping
Tape storage
Furniture

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Physical Space
Dimensions: 40' Wide by 60' Long
Raised floor height: 24″
Ceiling height from raised floor: 14′
2403 sq. ft raised floor data center

IT Specifications
7.2 kW per enclosure
Total IT Load = 459kW
64 Racks at 44 RMU (1408 servers @ 2U)

Room Conditions
CRAC unit supply 75 degrees Fahrenheit
Aisle contains 16, 40% perforated floor grilles

Server Enclosure Configuration
GL840ES-3042MS
Frame: 8401ES-3042, 84”H x 30”W x 42”D
Solid Top , TPES-S
Mesh Contour Front Door, 8402E-MC29
Mesh Contour Rear Door, 8402E-MC29
Side rail grommet kit, BGRK30

Network Enclosure Configuration
GL840ES-3048MS
Frame: 8401ES-2448, 84”H x 30”W x 48”D
Solid Top, TPES-S
Mesh Contour Front Door, 8402E-MC29
Mesh Contour Rear Door, 8402E-MC29
Side rail grommet kit, BGRK30

Containment Components:
Aisle Containment Doors, ACD840ES
Horizontal Polargy Containment Panels, PPLEX-HPNL24
Tool-less filler panels for unused RMU, 1.75-FPTL19

Top View of cold aisle containment with horizontal Polargy panels.

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Performance
Air Handler Supply: 75F
Air Handler Return: 98.2F
Room Temp. Change: 19.2

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Temperature, cabinet bottom height
End of row containment creates a consistent cold aisle temperature

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Temperature, halfway cabinet height

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Overhead containment panels reduce recirculation in the top of enclosures creating very consistent temperatures in the aisles of the data center.

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Equipment intake temperatures are consistent from top to bottom.

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Overall, the system is efficient in segregating hot air from the room providing a high return temperature to the CRAC unit. However, end of row doors and overhead panels add additional infrastructure and safety considerations.