The CoolSim newsletter

Modeling Notes

Field notes from the people who watch data center models run — what fails, why it fails, and how to build yours so it solves right the first time.

№ 01

The return path you never drew

Why a fully specified supply side isn't enough: models with an implied return read hot and drift instead of settling — and the three checks that catch it before you click Solve.

·3 min read