THM-03 · Thermal path · source-backed
Airflow hygiene
Blanking panels, sealed openings and deliberate tile placement can recover useful cooling before major plant work.
How it works
Close recirculation and bypass paths so conditioned air crosses IT equipment instead of escaping around it.
Where it fits
Fast retrofits, commissioning punch lists and ongoing operational control.
Where it breaks
The underlying cooling plant, rack airflow direction or return path is fundamentally mismatched.
Tradeoff register
- Usually inexpensive
- Benefits depend on maintenance discipline
- Needs measurement to avoid moving a hot spot elsewhere
Interactive teaching model
This card connects to the airflow lab. Its output is a bounded calculation or an illustrative directional model, not measured site data or a commissioned design result.
Source register
These sources support the teaching summary. Use current standards, site engineering and authority approval for real work.
- Best Practices Guide for Energy-Efficient Data Center Design
U.S. Department of Energy · Public web page and downloadable guide · reviewed 2026-08-26. Rights note: Link and summarize; asset reuse requires a separate rights check. - ASHRAE Data Center Resources and Thermal Guidelines
ASHRAE · Public catalog; technical publications may be paid · reviewed 2026-08-26. Rights note: Link and summarize public descriptions; do not reproduce protected publication content.