Numerical Modeling of Thermal Behavior during Lunar Soil Drilling

This paper presents a detailed thermal simulation analysis of the drilling process for icy soil in lunar polar region. The aim is to investigate temperature changes that occur debris removal area during process. We developed multi-level particle size model includes sieve based on geometric constraints evaluate influence specific heat capacity and conductivity temperature. Using central composite design method, we carried out test analyzed average difference particles within outside range sieve. parameters discrete element were determined by comparing zone environment with simulated method. results show ranges from 100 400 W/m, inside negatively related capacity. deviation chip ±10 °C, which consistent observed regolith test. Furthermore, addition multi-stage modeling significantly reduces calculation time 86%. reduction computational may potentially increase efficiency operations future. Our study provides insights into behavior drilling, proposes numerical transfer can effectively reduce while ensuring accurate calculations.