A field-reversed configuration (FRC) is a type of plasma device studied as a means of producing nuclear fusion. It confines a plasma on closed magnetic field lines without a central penetration. In an FRC, the plasma has the form of a self-stable torus, similar to a smoke ring. FRCs were a major area of research in the 1960s and into the 1970s, but had problems scaling up into practical fusion triple products. Interest returned in the 1990s and as of 2019, FRCs were an active research area.
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| - Field-reversed configuration (en)
- 逆転磁場配位型 (ja)
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| - 逆転磁場配位型（ぎゃくてんじばはいいがた、Field-reversed configuration、FRC）とは、高温核融合炉の実現に向けた技術のひとつで、超高温のプラズマを閉じこめる磁気閉じ込め方式の一つである。英語名Field-Reversed-Configurationを略したFRC という呼称が多く用いられており、日本名は他にも、磁場反転配位や磁場逆転配位など英名の訳し方に応じて様々な呼称を持つ。 将来の核融合炉に最も有力とされる磁場閉じ込め方式の工学的形態の一つではあるものの、トカマク型やヘリカル型等と異なり未だ大型実験装置が建設されていない。これは不安定性により、プラズマを形成し続けることが出来ないことに起因している。詳しくは下記の項を参照のこと。 本項では逆転磁場配位型磁気閉じ込めの特徴的な要素についてのみ説明する。核融合炉の実現に関わるその他の要素については核融合炉などを参照のこと。 (ja)
- A field-reversed configuration (FRC) is a type of plasma device studied as a means of producing nuclear fusion. It confines a plasma on closed magnetic field lines without a central penetration. In an FRC, the plasma has the form of a self-stable torus, similar to a smoke ring. FRCs were a major area of research in the 1960s and into the 1970s, but had problems scaling up into practical fusion triple products. Interest returned in the 1990s and as of 2019, FRCs were an active research area. (en)
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| - A field-reversed configuration (FRC) is a type of plasma device studied as a means of producing nuclear fusion. It confines a plasma on closed magnetic field lines without a central penetration. In an FRC, the plasma has the form of a self-stable torus, similar to a smoke ring. FRCs are closely related to another self-stable magnetic confinement fusion device, the spheromak. Both are considered part of the compact toroid class of fusion devices. FRCs normally have a plasma that is more elongated than spheromaks, having the overall shape of a hollowed out sausage rather than the roughly spherical spheromak. FRCs were a major area of research in the 1960s and into the 1970s, but had problems scaling up into practical fusion triple products. Interest returned in the 1990s and as of 2019, FRCs were an active research area. (en)
- 逆転磁場配位型（ぎゃくてんじばはいいがた、Field-reversed configuration、FRC）とは、高温核融合炉の実現に向けた技術のひとつで、超高温のプラズマを閉じこめる磁気閉じ込め方式の一つである。英語名Field-Reversed-Configurationを略したFRC という呼称が多く用いられており、日本名は他にも、磁場反転配位や磁場逆転配位など英名の訳し方に応じて様々な呼称を持つ。 将来の核融合炉に最も有力とされる磁場閉じ込め方式の工学的形態の一つではあるものの、トカマク型やヘリカル型等と異なり未だ大型実験装置が建設されていない。これは不安定性により、プラズマを形成し続けることが出来ないことに起因している。詳しくは下記の項を参照のこと。 本項では逆転磁場配位型磁気閉じ込めの特徴的な要素についてのみ説明する。核融合炉の実現に関わるその他の要素については核融合炉などを参照のこと。 (ja)
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