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Measurement and modeling of hydrogen molecule ro-vibrational accommodation on E-294 polycrystalline graphite

E M Hollmann, P S Krstic, R P Doerner, D Nishijima, A Yu Pigarov, C O Reinhold, S J Stuart2008年Plasma Physics and Controlled FusionIF 2.2出版社

The loss rate of H2 and D2 internal ro-vibrational energy in collisions with an E-294 polycrystalline graphite surface is measured in a plasma-free environment. Accommodation coefficients are found to be approximately 0.01–0.2 for vibrational energy and somewhat larger, 0.05–0.2 for rotational energy, with a slight increasing trend seen with increasing surface temperature. Molecular dynamics simulations of the experiment give a total ro-vibrational accommodation rate of order 0.1, which is consistent with the data at higher surface temperatures.

日本語訳

E-294多結晶グラファイト表面との衝突におけるH2およびD2の内部回転振動エネルギーの損失率を、プラズマのない環境で測定した。適応係数は、振動エネルギーについては約0.01~0.2、回転エネルギーについてはやや大きく0.05~0.2であることが見いだされ、表面温度の上昇に伴ってわずかに増加する傾向が見られた。実験の分子動力学シミュレーションでは、全回転振動適応率は0.1のオーダーとなり、これはより高い表面温度におけるデータと一致する。

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