Radiator heat pump trade
Heat pump raising radiator temperature: COP, rejected heat Q(1+1/COP), radiator area against baseline, extra solar array area.
SIDUS educational calculator. Category utilities. Tags: operations, power, satellite, thermal, utilities. Pure SI. Not flight software.
Formula
Q_rej = Q (1 + 1/COP) A = Q_rej / (εσT⁴ − q_env)
Heat pump radiator trade
Primary sources
- A Heat Pump for Space Applications (ICES-2015-35) (van Gerner, van Donk, Pauw, van Es (NLR), Lapensée (ESA)): Vapour-compression heat pump demonstrator: 45 °C evaporator, 100 °C condenser, 5 kW, measured COP 2.3; about 400 vs 750 W/m² radiator flux. 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.
- Why we should train AI in space (white paper) (Lumen Orbit / Starcloud: Feilden, Oltean, Johnston (September 2024)): Worked radiator example (ε 0.92, α 0.09, F 0.25, 20 °C), 5 GW / 4 km × 4 km array, dawn-dusk SSO rationale, shield scaling. SIDUS reimplements the physics independently and applies ε to the Earth-IR term by default. No affiliation.
- A Heat Transfer Textbook (J. H. Lienhard IV and V, MIT (free download)): Thermal resistance networks, latent-heat energy balance, radiation basics.
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.