Research Article
Workbench for a Parabolic Trough Solar Collector with a Tracking System
Table 2
Values of expanded uncertainties.
| Greatness | Representation | Standard deviation | Distribution |
| Mass flow | | 0,001 | Gaussian | Cp | | See equation (24) | Gaussian | Temperature variation | | 0,5 | Gaussian | Collector area | | 0,01 | Uniform | Direct radiation | | Constant | Uniform |
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