Further studies of the rate constant for chemical excitation of OH in shock waves.
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概要
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Electronically excited OH(<SUP>2</SUP>Σ) is formed both by chemical and thermal excitations in the H<SUB>2</SUB>-O<SUB>2</SUB> reaction. The OH(<SUP>2</SUP>Σ) emission in the partial equilibrium region of the reaction was measured in 1250–3450 K incident shock waves for a mixture, H<SUB>2</SUB>/O<SUB>2</SUB>/Ar=2/2/96, at starting pressures, 6–30 Torr. The correlation factor between the emission intensity and the concentration of OH(<SUP>2</SUP>Σ) was derived in the temperature region above 2800 K where the thermal excitation of OH(<SUP>2</SUP>Σ) is dominant. The factor was utilized to estimate the concentration of chemically excited OH(<SUP>2</SUP>Σ) and the rate constant of the reaction O+H+M=OH(<SUP>2</SUP>Σ)+M was determined as 10<SUP>13.92±0.17</SUP> exp[−(8.3±1.2) kcal/<I>RT</I>)] (cm<SUP>6</SUP> mol<SUP>−2</SUP> s<SUP>−1</SUP>).
- 公益社団法人 日本化学会の論文
著者
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Koike Tohru
Department Of Applied Chemistry National Defense Academy
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Morinaga Kihei
Department of Chemistry Defense Academy
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Morinaga Kihei
Department of Chemistry, National Defense Academy
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