inventory · questions · updated 2026-10-15

Can Duxberry tanks support thermosiphon flow?

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The team needs to know whether water moves freely enough through Duxberry tank internal spaces to support passive thermosiphon circulation — Jose thinks probably yes, but this is unconfirmed.

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Thermosiphon circulation — passive water flow driven by temperature-induced density differences — is central to Baer’s passive thermal designs. The Oct 14 meeting raised whether the Duxberry Trading plastic tanks allow water to move freely enough through internal spaces to support this. Jose’s informal assessment was “probably yes,” but this has not been tested or confirmed. If the internal geometry restricts flow, the tanks would need active pumping, which changes the system’s passive character.

Next action: get tank cross-section diagrams from Duxberry; consult Jose for a more detailed assessment of flow characteristics; consider a bench test with a small tank section.