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Non Conventional Energy Resources by Sobh Nath Singh

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Chapter 17

Thermionic Converters

KEY CONCEPTS

  • Thermionic energy converter
  • Working of thermionic generator
  • Performance analysis of thermionic converter
  • Efficiency of a thermionic converter
  • Types of thermionic converters
  • Material development and research
  • Applications

Thermionic generator converts heat directly into electricity using thermionic emission rather than first changing it to some other form of energy. A thermionic power converter has two electrodes. One of these is raised to a sufficiently high temperature to become a thermionic electron emitter. The other electrode called a collector because it receives the emitted electrons and it is operated at a significantly low temperature. The space between the electrodes is sometimes a vacuum, ...

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