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🌃 Radiative Sky Cooling Networks

A 3D city block where roof panels radiate heat to the night sky, a chilled-water tank banks the cold, and a building slab discharges it against the next day's heat load.

Thermodynamics3DModerate60 FPS💧 Water

A city block whose roof panels radiate heat straight to the night sky, banking the resulting chill in an insulated tank that then feeds a thermally activated slab to blunt the next day's heat load.

🔬 What It Demonstrates

At night, clear skies let roof panels lose heat through the atmospheric window, filling the storage tank (blue). By day, the tank discharges through slab piping to absorb the building's heat gain — a full charge/discharge cycle.

🎮 How to Use

Speed up the day/night cycle, size the roof panel array, dial in sky clarity, and set the building's cooling demand. Watch the tank fill overnight and drain as the slab draws on it during the day.

💡 Did You Know?

Radiative cooling panels can drop several degrees below air temperature with zero electricity input — they simply exploit a gap in the atmosphere's infrared absorption spectrum around 8–13 microns.

⚙ Under the hood

A 3D city block where roof panels radiate heat to the night sky, a chilled-water tank banks the cold, and a building slab discharges it against the next day's heat load.

heat transferradiative coolingcity simulationthermal energynight skybuilding designThree.js

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install