Cold plate junction ΔT

Junction temperature from a resistance chain: R_jc, TIM t/(kA), cold plate 1/(hA) and coolant caloric rise.

SIDUS educational calculator. Category utilities. Tags: operations, power, thermal, utilities. Pure SI. Not flight software.

Formula

T_j = T_in + ΔT_f/2 + Q ΣR

Cold plate junction temperature

Primary sources

• A Heat Transfer Textbook (J. H. Lienhard IV and V, MIT (free download)): Thermal resistance networks, latent-heat energy balance, radiation basics.
• NVIDIA H100 Tensor Core GPU Architecture (whitepaper) (NVIDIA (2022)): GH100 die 814 mm² and H100 SXM 700 W anchors for the cold-plate preset. No affiliation.
• Spacecraft Thermal Control Handbook, Vol. I (D. G. Gilmore (ed.), The Aerospace Press / AIAA): Radiator environment loads (solar, albedo, Earth IR, view factors), pumped loops, heat pumps.
• SIDUS pure-SI implementation (sidus.tools): Local pure-function implementations in src/lib/physics (educational, independent reimplementation).

How do AI agents use this tool?

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.