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An Overview of One-Sun Solar Thermal Technology

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<strong>An</strong>nual Storage<br />

1500<br />

<strong>Solar</strong> Fraction Contours vs (Vstor, Acol)<br />

0.8, super-ins<br />

0.9, super-insul<br />

Acoll [ft2]<br />

1000<br />

500<br />

Unrealistically large<br />

0.8, good passive<br />

0.9, good passive<br />

0.8, ~ '81 code<br />

0.9, ~ '81 code<br />

Reasonable sizes?<br />

0<br />

0 10000 20000 30000 40000<br />

Vstor [gal]<br />

Boston, MA<br />

Flat Plate Collectors<br />

From Sillman 1981 “Trade-<strong>of</strong>f…in <strong>An</strong>nual Storage <strong>Solar</strong> Heating”<br />

2-tank System<br />

SEET <strong>Solar</strong> <strong>Thermal</strong> Seminar 7/26/07

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