File:Strawbridge heat sink.JPG: Difference between revisions
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== Summary == | |||
Schematic of the Strawbridge air/ground-source heat pump system. | |||
The Strawbridge air/ground-source heat pump system consists of a pipe | |||
from the top of the shelter down to a network of perforated pipes | |||
inside a plywood box filled with glass objects filled with water, or | |||
alternatively stones, ... The plywood box is placed under the soil. A | |||
fan is present inside the pipe to move hot air accumulating at the top | |||
of the shelter down to the glass/water (which works as a heat sink). | |||
The fan is run during the day (operated by a PCB or time switch, fed | |||
by a battery or from the mains electricity grid,) and deactivated at | |||
night. At night (when the shelter cools down and when sub-zero | |||
temperatures may be reached), the heat stored in the heat sink travels | |||
upwards out of box via a valve (this valve is then opened by the PCB | |||
aswell).<ref>Practical self-sufficiency by Dick and James | |||
Strawbridge</ref> | |||
References: | |||
{{reflist}} | |||
== Licensing == | |||
{{GFDL}} | |||
Latest revision as of 07:02, 19 September 2013
Summary
Schematic of the Strawbridge air/ground-source heat pump system. The Strawbridge air/ground-source heat pump system consists of a pipe from the top of the shelter down to a network of perforated pipes inside a plywood box filled with glass objects filled with water, or alternatively stones, ... The plywood box is placed under the soil. A fan is present inside the pipe to move hot air accumulating at the top of the shelter down to the glass/water (which works as a heat sink). The fan is run during the day (operated by a PCB or time switch, fed by a battery or from the mains electricity grid,) and deactivated at night. At night (when the shelter cools down and when sub-zero temperatures may be reached), the heat stored in the heat sink travels upwards out of box via a valve (this valve is then opened by the PCB aswell).[1] References:
- ↑ Practical self-sufficiency by Dick and James Strawbridge
Licensing
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:01, 3 August 2013 |  | 1,749 × 2,354 (284 KB) | VDP (talk | contribs) | Modified version of the Strawbridge heat sink for use in greenhouses, ... |
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