Worst-case losses from a cylindrical calorimeter for solar simulator calibration
作者： Scott C. Rowe , Arto J. Groehn , Aaron W. Palumbo , Boris A. Chubukov , David E. Clough
DOI: 10.1364/OE.23.0A1309
关键词:
摘要: High-flux solar simulators consist of lamps that mimic concentrated sunlight from a field heliostats or parabolic dish. These installations are used to test promising solar-thermal technologies for commercial potential. Solar can be calibrated with cylindrical calorimeters, devices approximate black body absorbers. Calorimeter accuracy is crucial simulator characterization and maintenance. To discover the worst-case performance calorimeter during flux measurement Monte Carlo ray tracing was coupled finite volume simulations. Results indicated exhibit an observer effect distorts profile. Furthermore, proposed design sensitive changes in optical properties, result oxidation and/or photobleaching over time. Design fidelity robustness were substantially improved through use beveled (conical) aperture.
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