Table 1 Parameters used to determine the storage temperature in San Diego, CA, USA
From: Transient Uncertainty Analysis in Solar Thermal System Modeling
Parameter | Nominal value | Estimated uncertainty |
|---|---|---|
Local longitude (L local) | 117.16 (deg) | 0 |
Location latitude (ϕ) | 32.733 (deg) | 10% |
Longitude of the standard meridian for the time zone (L st) | 120 (deg) | 0 |
Collector area (A c) | 5 (m2) | 1% |
Heat removal factor times the transmittance-absorptance product (F Rτα) | 0.753 | 2% |
Heat removal factor times the collector loss coefficient (F R U c) | 3.79 | 2% |
Reflectivity of the ground (ρ g) | 0.2 | 0.1 |
Collector slope (β) | 32.733 (deg) | 2° |
Collector azimuth angle (γ) | 0 (deg) | 2° |
Loss coefficient for storage tank (UAst) | 1.7 | 1% |
Ambient temperature (T amb) | 25 ( °C) | 1 °C |
Specific heat of water (c p) | 4.1813 (kJ/kg K) | 0 |
Density of water (ρ) | 974 (kg/m3) | 0.1 |
Storage tank volume (V) | 0.19 (m3) | 0 |