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An Overview of One-Sun Solar Thermal Technology

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<strong>Solar</strong> Progressions: Quantitative<br />

End Uses Addressed<br />

Area<br />

m 2<br />

Storage<br />

m 3<br />

Load<br />

GJ<br />

<strong>Solar</strong><br />

Fraction<br />

Water heating (WH) 6 0.3 16 0.6<br />

WH + Space Heating (Htg) (Combi-system) 20 1.5 40 0.3<br />

High sf combi-sys, w/ H2O annual store 1 40 70 40 0.9<br />

2<br />

100% <strong>Solar</strong> WH/Htg/Clg, w/ Des. TCHP 30 14 50 1<br />

1. From (Sillman 1981)<br />

2. Desiccant thermochemical heat pump storage; estimated.<br />

Boston, MA climate<br />

Note on units:<br />

Multiply m 2 times 110 to get ~ ft 2<br />

Divide volume in m 3 by 4 to get ~ kGal<br />

1 GJ ≅ 1 MMBtu<br />

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

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