A computer Simulation of Self-Quenching Streamer (SQS) using continuity equations and the two-region model

Abstract

In order to check the validity of a newly-proposed SQS (Self-Quenching Streamer) mechanism for alpha-rays, a modeling of the phenomenon is made and a computer simulation has been carried out. A set of continuity equations for electrons and single-charged positive ions is numerically solved to evaluate the avalanche growth in a two-dimensional space. The streamer development is treated under the concept of the two region model with an aid of the Meek's streamer condition. A comparison between computed and experimental results shows a good agreement in nature and the validity of the newly-proposed SQS-formation mechanism has been confirmed successfully.

α線について新たに提案された自己消尽ストリーマー(SQS)のメカニズムを検証するために、現象のモデム化とコンピューターシミュレーションを行った。2次元でのなだれ成長を評価するために、電子と単一荷電陽イオンの連続方程式を数値的に解いた。ストリーマーの発生は、Meekのストリーマー条件を採用して、2領域モデルの考え方により処理した。計算と実験の結果は良く一致し、SQS生成のメカニズムが確証された。