MECHANICAL — CFD AND ENERGY · CASE STUDY
Data Centre CFD Analysis — Inputs
NOT ENGINEERING VALIDATED — native CFD converged; validation gates partly failed
Inputs
Room and racks (synthetic)
- Room
- 6.0 x 4.8 x 3.0 m single-storey hall, no glazing (ASSUMED)
- Racks
- 4 racks in 2 rows (hot/cold aisle), 600 x 1200 x 2000 mm (GENERIC ASSUMPTION)
- IT load
- 10 kW per rack, 40 kW total (GIVEN)
- Rack air temperature rise
- 12 K (GENERIC ASSUMPTION): 10 / (1.2 x 1.005 x 12) = 0.691 m3/s per rack
- Location
- London, UK (synthetic site; IESVE weather as configured)
Boundary conditions
| Element | DC00B baseline | DC00O optimised |
|---|---|---|
| Floor supply | 3.3167 m3/s at 18 °C (1.2 x 1.0 m) | 2.9022 m3/s at 18 °C (1.20 m2) |
| Extract | one ceiling extract above the cold aisle | two extracts of 1.451 m3/s, 0.72 m2 each, over the hot aisles |
| Rack inlet face | extract 0.691 m3/s | extract 0.691 m3/s |
| Rack exhaust face | supply 0.691 m3/s at 32.0 °C | supply 0.691 m3/s at 32.0 °C |
| Walls / initial | 28 °C / 24 °C | 28 °C / 24 °C |
Annual-model assumptions
- Seasonal cooling efficiency
- 4.0 (ASSUMED)
- Specific fan power
- 1.5 W/(l/s) (ASSUMED)
- Fan law exponent
- n = 3 (ASSUMED; upper bound)
- Room set point
- 28 °C (single zone)
- Tariff
- 0.25 GBP/kWh (ASSUMED placeholder)
Sanitised derivative of preserved evidence (cfd-DC00-20261024-r2, cfd-DC01-N1-DSM-20261024). Nothing was re-simulated. Screenshot crops are static images of the native viewer; plots and the report contain only values read from the evidence. · Pack cfd-data-centre-r2 (built 2026-10-25); every file is checked against its SHA-256 before it is shown.