Advanced thermionic energy conversion. Joint highlights and status report, April-June 1979

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The DOE portion of the effort at Rasor Associates is directed primarily toward terrestrial applications of thermionic energy conversion. It focuses on the development of converters suitable for use with fossil fueled heat sources in power plants. The NASA program is directed at establishing the technical feasibility of an advanced light-weight long-life thermionic conversion system compatible with a remote nuclear or solar heat source. The principal application forseen at this time is in nuclear electric propulsion (NEP) missions in the mid-1990's. Significant accomplishments for the three month period include: (1) devised a blade-type distributed lead design with many advantages compared … continued below

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Creator: Unknown. January 1, 1979.

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The DOE portion of the effort at Rasor Associates is directed primarily toward terrestrial applications of thermionic energy conversion. It focuses on the development of converters suitable for use with fossil fueled heat sources in power plants. The NASA program is directed at establishing the technical feasibility of an advanced light-weight long-life thermionic conversion system compatible with a remote nuclear or solar heat source. The principal application forseen at this time is in nuclear electric propulsion (NEP) missions in the mid-1990's. Significant accomplishments for the three month period include: (1) devised a blade-type distributed lead design with many advantages compared to the stud-type distributed lead; (2) completed design of Marchuk tube test apparatus; (3) concluded, based on current understanding, that residual hydrogen should not contribute to a negative space charge barrier at the collector; (4) modified THX design program to include series-coupled designs as well as inductively-coupled designs; (5) initiated work on the heat transfer technology, THX test module, output power transfer system, heat transfer system, and conceptual plant design tasks; and (6) reached 2200 hours of operation in JPL-5 cylindrical converter envelope test. (WHK)

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Dep. NTIS, PC A05/MF A01.

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  • January 1, 1979

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  • Feb. 18, 2018, 3:59 p.m.

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Advanced thermionic energy conversion. Joint highlights and status report, April-June 1979, report, January 1, 1979; United States. (https://digital.library.unt.edu/ark:/67531/metadc1096209/: accessed July 13, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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