A Combined Solar Tunnel Dryer and Desiccant-Bead Store for Village Seed Saving: Design, Budgets, and Failure Floor

Design study (SIMULATED, NOT MEASURED) of a combined village seed station: a solar tunnel dryer held to a 40 C seed temperature ceiling dries one tonne of seed from 20% to 12% moisture, then desiccant beads in sealed drums finish drying to 9% and hold it for 180 days, with a solar regeneration loop for the beads. All budgets are computed by the deposited script. The station fails below an insolation floor of 3.74 kWh/m2/day.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-10
DOI
https://doi.org/10.5281/zenodo.24108831
Primary Topic
Food Drying and Modeling
Type
preprint
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preprint

A Combined Solar Tunnel Dryer and Desiccant-Bead Store for Village Seed Saving: Design, Budgets, and Failure Floor

William Alexander Aldred
Zenodo (CERN European Organization for Nuclear Research)
Food Drying and Modeling
preprint

A Combined Solar Tunnel Dryer and Desiccant-Bead Store for Village Seed Saving: Design, Budgets, and Failure Floor

William Alexander Aldred
preprint en

Abstract

Design study (SIMULATED, NOT MEASURED) of a combined village seed station: a solar tunnel dryer held to a 40 C seed temperature ceiling dries one tonne of seed from 20% to 12% moisture, then desiccant beads in sealed drums finish drying to 9% and hold it for 180 days, with a solar regeneration loop for the beads. All budgets are computed by the deposited script. The station fails below an insolation floor of 3.74 kWh/m2/day.

Zenodo (CERN European Organization for Nuclear Research)
Food Drying and Modeling
DOIOpen Access PDFOpenAlex
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A Combined Solar Tunnel Dryer and Desiccant-Bead Store for Village Seed Saving: Design, Budgets, and Failure Floor — William Alexander Aldred · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS