Investigation of heat transfer processes in multi-sized solar-sintered regolith for lunar ISRU program

Yuankun Zhang,Matthew Shaw,Geoffrey Brooks,Muhammad Akbar Rhamdhani,Chunsheng Guo,Zhuosheng Han,Thomas Jackson,Gregory Judkins

International Journal of Heat and Mass Transfer（2023）

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摘要

•A mechanistic-based ETC model of sintered lunar regolith was developed;.•The effect of particle size and shape, and sintering atmosphere were explored.•ETC model was experimentally validated by measured ETC and specific surface area.•Heat and radiation transfer in solar sintering system was numerically and experimentally investigated based on the ETC model.•The sintered regolith depth was improved by applying the new PSD configuration.

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关键词

Solar sintering, Lunar regolith, ISRU, Effective thermal conductivity, Monte-Carlo method, Multi-sized particles

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