05A11 Appendix A.11 3Generic Extra Small CFD Package
Updated
A PDF document (4.4 MB) attached to Macon GA Health Care Clinic HCC 168,332 ANSI/BOMA, from the Department of Veterans Affairs. Due Feb 2, 2027, 5:00 PM (UTC-5).
File name: 05A11 Appendix A.11 3Generic Extra Small CFD Package.pdf
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Computational Fluid Dynamics (CFD)
Simulation - Extra Small Computer Room Rectangle Version
This report contains the results and images from a CFD simulation. It shows the performance of the current cooling system in this representation of a generic extra small computer room for use within VA.
Data Center & Infrastructure Engineering
Solution Delivery, DevSecOps, OIT
Geometry and Objects
Data Center Dimensions
Item
Value
Floor Length
20.0 ft
Floor Width
39.5 ft
Tile Size
24.0 inch
UF Plenum Height
0.0 inch
Real Ceiling Height
12.0 ft
Object Count
Object
Count
Downflow CRACs
Server Racks
Hot Boxes
Vertical Partitions
Horizontal Partitions
Downflow CRACs by Style
Downflow CRAC Style
Total Units
Failed Units
Total Airflow (CFM)
Nominal Cooling (Ton)
Nominal Cooling (kW)
Liebert DS053AS/AD/DS/DD
8,000
15.1
53.2
Racks by Style
Rack Style
Total Racks
Turned Off
Total Heat Load (kW)
Total Airflow (CFM)
CPI TeraFrame 60 cm x 110 cm x 45 U (Ducted)
30.0
4,731
CPI TeraFrame NF8N with Chimney
11.2
1,766
Heat Load/Cooling Airflow
Total Heat Load and Airflow
Item
Value
Net Floor Area
742 sq ft
Heat Load Density
61.2 W/sq ft
Total Heat Load
45.5 kW
Total Airflow Demand
7,497 CFM
Total Airflow Supplied
8,000 CFM
Cooling Airflow Supplied
Source
Value
Downflow CRACs
8,000 CFM
Special CRACs
0.0 CFM
Upflow CRACs
0.0 CFM
In-Row Coolers
0.0 CFM
Overhead Coolers
0.0 CFM
Spot Coolers
0.0 CFM
UF Vents (Net)
0.0 CFM
AF Inlet Vents
0.0 CFM
Summary of AF Results
Total Heat Load and Cooling
Item
Value
Total Airflow Demand
7,497 CFM
Total Airflow Supply
8,000 CFM
Total Heat Load
45.5 kW
Cooling by Cooling Units
45.5 kW
Heat Loads and Cooling Achieved
Item
kW
Ton
Server Rack Heat Load
41.2
11.7
Hot Box Heat Load
4.26
1.21
Cooling by Downflow CRACs
45.5
12.9
Cooling by Upflow CRACs
0.0
0.0
Cooling by RDHx
0.0
0.0
Cooling by In-Row Coolers
0.0
0.0
Cooling by Overhead Coolers
0.0
0.0
Cooling by Spot Coolers
0.0
0.0
Cooling by Inlet Vents
0.0
0.0
Rack Temperature Results
Rack Statistics
Range of Max Inlet Temp
Number of Racks
Above 80 F
Between 75 F and 80 F
Between 70 F and 75 F
Below 70 F
Hot Boxes are included
Rack Temperatures in Detail
No.
Rack or HotBox Name
Xref
Yref
Heat Load
Nominal Airflow
Actual Airflow
TinMax
ToutMax
Tbot_F
Tmid_F
Ttop_F
Row 2 - HDA A_1
7.0
6.1
2.80
67.8
78.5
67.2
67.6
67.7
Row 2 - HDA A
10.4
6.1
2.80
68.6
79.9
67.4
67.7
67.8
Row 2 - Rack 8 SD
13.8
6.0
5.00
69.2
86.8
67.5
68.0
68.7
Row 2 - Rack 9 SD
15.8
6.0
5.00
69.0
87.5
67.8
67.9
68.5
Row 2 - Rack 10 SD
17.8
6.0
5.00
68.7
88.0
67.9
67.7
68.2
Row 2 - Rack 3 SD
19.8
6.0
5.00
68.2
88.1
67.9
67.7
67.9
Row 2 - Rack 1 SD
21.8
6.0
5.00
68.0
88.5
67.9
67.7
The beginning of the document. Download the full file to read on.
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