Abstract
A conceptual scheme is proposed for a cylindrical thermionic energy converter with reduced radiation losses. The decrease in losses was achieved by using a perforated collector.
The geometric dimensions of the thermionic energy converter with a perforated collector are optimized to obtain maximum efficiency by decreasing radiation losses with a small increase in losses in the plasma. Comparing the parameters of the converter with a perforated collector with the parameters of the conventional variant of a cylindrical thermionic energy converter showed that for the same power the former has a higher efficiency in almost the entire range of the electrode temperature and a more than two times greater power per unit total mass of the electrodes.
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V. Z. Kaibyshev, “Phenomenological model of a low-voltage discharge in cesium,” Preprint IAÉ-4639/7, TsNIIatominform, Moscow (1988).
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Kaibyshev, V.Z., Lysikov, A.V. & Sidorov, S.A. Thermionic Energy Converter with Low Radiation Losses. Atomic Energy 93, 740–748 (2002). https://doi.org/10.1023/A:1021772117240
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DOI: https://doi.org/10.1023/A:1021772117240