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首页> 美国政府科技报告 >Pressure-Dependent Electron Attachment and Breakdown Strengths of Unitary Gases, and Synergism of Binary Gas Mixtures: A Relationship
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Pressure-Dependent Electron Attachment and Breakdown Strengths of Unitary Gases, and Synergism of Binary Gas Mixtures: A Relationship

机译：压力依赖的电子附着和单一气体的击穿强度，以及二元气体混合物的协同作用：一种关系

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The relationship between the pressure-dependent electron attachment rate constants (k/sub a/) which have been observed in 1-C sub 3 F sub 6 and in several perfluoroalkanes, and the uniform field breakdown strengths (E/N)/sub lim/ in these gases is discussed. Measurements of the pressure dependence of k/sub a/ of OCS in a buffer gas of Ar are presented and the possible pressure dependence of (E/N)/sub lim/ in OCS is discussed. Uniform field breakdown measurements have been performed in C sub 3 F sub 8 , n-C sub 4 F sub 10 , and SO sub 2 over a range of gas pressures (3 less than or equal to P/sub T/ less than or equal to 290 kPa) and are reported. All three molecules have been found to possess pressure-dependent (E/N)/sub lim/ values. The various types of synergistic behavior which have been observed in binary gas dielectric mixtures are summarized and discussed. A new mechanism is outlined which can explain the synergism observed in several gas mixtures where the (E/N)/sub lim/ values of the mixutres are greater than those of the individual gas constituents. Model calculations are presented which support this mechanism, and can be used to explain the pressure-dependent synergistic effects which have been reported in 1-C sub 3 F sub 6 /SF sub 6 gas mixture. (ERA citation 09:029552)

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