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Computer modelling of the radiolysis in an aqueous lithium salt blanket: Suppression of radiolysis by addition of hydrogen

A.John Elliot, David R. McCracken1990年Fusion Engineering and DesignIF 1.7出版社

AbstractComputer simulations of the radiolysis occurring in a 2 mol dm−3 lithium hydroxide aqueous breeder blanket at projected International Thermonuclear Experimental Reactor (ITER) dose rates and radiation quality have been undertaken using the program, FACSIMILE. In the absence of any added hydrogen, the simulations indicated that system operating pressures of up to 2.3 MPa may be required to keep the radiolytically produced oxygen and hydrogen gases dissolved in solution. However, the addition of 5 × 10−4 mol dm−3 (11 cc kg−1) hydrogen is predicted to suppress the radiolysis so that a much lower system operating pressure of 200 kPa would be sufficient to keep the excess hydrogen gas dissolved.

日本語訳

2 mol dm−3の水酸化リチウム水溶液増殖ブランケットにおいて、国際熱核融合実験炉(ITER)の想定線量率および放射線の質の条件下で生じる放射線分解について、プログラムFACSIMILEを用いたシミュレーションを実施した。水素を添加しない場合、シミュレーション結果は、放射線分解により生成する酸素ガスと水素ガスを溶液中に保持するために、最大2.3 MPaのシステム圧力が必要となる可能性があることを示した。しかしながら、5 × 10−4 mol dm−3(11 cc kg−1)の水素を添加すると、放射線分解が抑制されると予測され、過剰な水素ガスを溶解状態に保つのに必要なシステム圧力は、200 kPaと大幅に低くて済むことが示された。

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iter低精度(概要文一致)

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Lithium
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