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- W119376690 abstract "An engineering tool incorporating a scanning infrared radiometer, an image digitizer, a microcomputer, and the software to drive the system was developed to allow remote mapping of the temperature distribution in solar cavity receivers. Using enclosure analysis, the infrared image processing program extracts the irradiance map from the radiosity map of the cavity to yield an emissive power map. Using the calibration curve of the radiometer and the emissivity of the surface of the cavity, the emissive power map is transformed into a temperature map. The system was tested by comparing its calculated temperatures to temperatures measured by thermocouples at several locations on the surfaces of heated model cavity receivers. The average relative error for the cavities ranged from 4.6%--34.9%, with the relative error on the base usually less than half that on the wall. Some work was also carried out to compensate the detected radiosity field for the system transfer function error of the scanner system. 8 refs., 57 figs., 3 tabs." @default.
- W119376690 created "2016-06-24" @default.
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- W119376690 date "1989-03-01" @default.
- W119376690 modified "2023-09-27" @default.
- W119376690 title "Radiometric measurement of temperature distributions in solar cavity receivers" @default.
- W119376690 doi "https://doi.org/10.2172/6303348" @default.
- W119376690 hasPublicationYear "1989" @default.
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