…However, in direct power generation, there are no moving parts that come into contact with the high-temperature working fluid, and therefore no material problems exist, so a higher operating temperature can be set, which can result in improved thermal efficiency. Methods being researched for this purpose include MHD power generation, EHD power generation (electrohydrodynamic power generation), and thermionic power generation. Here, EHD power generation is an electrohydrodynamic generator, which applies an electric charge to a high-temperature, high-velocity combustion gas and passes it between positive and negative electrodes placed in the direction of the flow to generate electricity electrostatically. … *Some of the terminology used in reference to "EHD power generation" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ところが,直接発電においては高温作動流体と接触する可動部分が存在せず,この材料問題が存在しないため,より高温の作動温度を設定でき,その結果熱効率の改善が実現されうるのである。 このような目的で研究されている方式としてはMHD発電のほか,EHD発電(電気流体発電),熱電子発電などがある。ここでEHD発電とは,高温高速の燃焼気体に電荷を与え,それを流れ方向に設置された正負電極の間に通して静電的に発電を行わそうとするもので,electrohydrodynamic generatorの意味である。… ※「EHD 発電」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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