LUNA-PYRAMID- a full system for Lunar base energy supporting and thermal management.

Ultralight Lunar Energy Infrastructure Using an In-Situ Regolith Thermal Geocell, Chemical Storage and a Reusable Trenching Robot Executive concept. LUNA-PYRAMID converts the regolith already present under a 10 m × 10 m surface footprint into a protected thermal geocell. Four narrow 45° boundary slots receive low-emissivity reflective membranes and vacuum-compatible structural liners. The regolith is not excavated as a large pit: most of the mass stays in place. A small OUX energy core is installed on a truncated 2 m × 2 m service pad near the bottom of the inverted pyramid and couples to the surrounding regolith through radial heat pipes/fins and locally sintered high-conductivity thermal veins. Figure 1. Cross-section of the proposed in-situ inverted-pyramid thermal geocell. Parameter Baseline design value Lunar synodic cycle 29.53059 Earth days Approx. daylight / night 14.765 d / 14.765 d (~354.4 h each) Surface footprint 10 m × 10 m Boundary-wall angle 45° Depth / bottom service pad 4.0 m / 2 m × 2 m Geocell volume enclosed by the curtains ~165 m³ of in-situ regolith Engineered fast-response thermal zone ~15 m³ around the core Primary mission objective Reduce imported kg while preserving 15-day-night autonomy The key architectural distinction is that the local regolith buffer does not replace the C+/C− chemical store. It removes several days of heating and hot-water demand from the chemical inventory, allowing the chemical system to be sized primarily for electricity, life support, communications and the later part of the lunar nigh