The engineer’s reference desk
97–120 / 1,044 sources
ASHRAE 2024
Use Book 2 (IT Equipment Power Trends) for default kW-per-rack growth projections.
ASHRAE 2024
Do not hard-code A2 as the minimum class; allow H1/A1 classes for AI racks.
Consulting-Specifying Engineer 2019
Implement the 90.4 MLC and ELC calculators with the correct test load points per UPS redundancy class (N/N+1 vs 2N).
arXiv preprint (cs.AI), Harvard T.H. Chan School of Public Health 2026
In fleet or facility energy estimation, use capacity × 8,760 × facility-load coefficient (0.48-0.70, central 0.58) and report the range (67.7-98.6 TWh) explicitly.
European Commission, DG ENER (AIT, Borderstep Institute, EY) 2025
Align the PUE target of new designs with the proposed MPS: design PUE below 1.3 and operational PUE below 1.4 in the first three years; for existing sites plan the path to below 1.5 by 2030.
Schneider Electric 2011
In layout validation, raise an error when adjacent rows of front-to-back equipment face the same direction, and a warning for perforated tiles or supply diffusers in a hot aisle.
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Schneider Electric 2012
In the capacity planner keep design, installed and expected-load curves separate per phase and show utilisation over a 10-year horizon; default start-up load to 20-30% of design and final load to 60-90%.
National Academy of Engineering, The Bridge vol. 56 no. 1 2026
In the heat-reuse calculator, take coolant return temperature as the key input.
Data Center Frontier 2020
Offer distributed UPS topologies (in-server, in-rack battery shelf, in-row) alongside centralized UPS, with an efficiency and blast-radius comparison.
Data Center Frontier 2024
Support hybrid air/liquid halls and rack-level or near-rack backup power topologies in the design library.
Open Compute Project Foundation 2022
Use the summary table as validation rules for immersion-fluid catalogue entries: flash point, pour point, viscosity, density and dielectric properties.
Open Compute Project Foundation 2026
Record ASHRAE 34 safety class, GWP, ODP, boiling point and latent heat in the two-phase cold-plate fluid catalogue.
Springer Science and Business Media LLC (preprint) 2026
When presenting UPS battery autonomy as a way to improve generator reliability, compute the reserve threshold against the mission duration and report that autonomy of minutes adds little to long-outage generator reliability.
Schneider Electric 2026
Offer a delivery-method option per subsystem (stick-built or prefabricated), defaulting to about 88 and 34 weeks with editable phase durations.
TMMOB Makina Mühendisleri Odası (MMO) 2023
In the energy module, when on-site CHP/trigeneration is modelled, report PUE together with source-aware metrics (primary energy, CO2 and optionally exergy-based figures).
iMasons Climate Accord (Infrastructure Masons) 2026
Run an embodied-carbon estimate from the BOM at each design stage.
CIGRE US National Committee, 2025 Grid of the Future Symposium (arXiv preprint) 2025
In a large-load interconnection application, verify the relevant entity's large-load threshold (10-75 MW) and ramp limit (Southern ≤20 MW/min) early; definitions differ widely between entities.
Schneider Electric 2022
Add site type (legacy telco, distributed cloud, MEC), environment class and power type (AC, -48 V DC, hybrid) to the project template.
Data Center Frontier 2021
Add HVO and renewable-content diesel options to generator fuel selection with CO2 factors.
Open Compute Project Foundation 2025
Give rack power distribution components fields for rated current, maximum voltage drop and cooling method.
arXiv preprint (cs.CY; formatted for ACM e-Energy '26) 2026
In siting and community-acceptance files, present PUE, WUE and CUE together with regional water stress, grid headroom and verification maturity (L0-L4); back project commitments with contractual limits and independent metering (L2-L3).
BICSI 2019
In the ops handover package, generate SOP/EOP/MOP skeletons aligned with the BICSI 009 chapter structure.
BICSI 2026
Add a 'credentials' field to the user profile and recognise DCDC as a value there.
T.C. Cumhurbaşkanlığı Siber Güvenlik Başkanlığı 2026
Provide a Turkey public-sector compliance checklist mapping the measures to design objects: dedicated IT UPS, N+1 air conditioning with auto changeover, redundant feeds, generator fuel redundancy, room adjacency checks against wet areas.
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