頁籤選單縮合
題名 | Modeling of Gas Well Blowout under Seawater=海域油井水下氣爆之模擬研究 |
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作者姓名(中文) | 蕭葆羲; 許俊德; | 書刊名 | 中國工程學刊 |
卷期 | 20:5 1997.09[民86.09] |
頁次 | 頁493-500 |
分類號 | 457.4 |
關鍵詞 | 油井氣爆; 氣泡羽昇流; Gas well blowout; Bubble plume; |
語文 | 英文(English) |
中文摘要 | 本研究應用積分氣泡羽昇流模式模擬海域油井水下氣爆之變化。數值模擬結果與 實場量測比較結果良好。數值計算分析顯示:(1)當排氣量減低時,氣泡羽昇流半徑增加而其 最終浮昇高度則減小。(2)海域水體密度層變將壓抑羽昇流,故而降低其最終浮昇高度。(3) 密度層變對於最終浮昇高度之影響效應遠大於排氣量。 |
英文摘要 | In this study, an integral bubble plume model is applied to simulate the behaviors of offshore gas well blowout under seawater. The numerical model simulation results are good in comparison with the field data. The bubble plume radius, upward velocity and buoyancy for different ambient fluid stratification and gas flow rate cases are calculated and investigated. Analysis of the calculated results reveal that: (1) The bubble plume radius increases but terminal rise height decreases when the gas flow rate decreases. (2) Ambient sea water with strong density stratification will inhibit the bubble plume rise and reduce its terminal rise height. (3) Sea water stratification effect on the bubble plume terminal rise height is more significant than that of gas flow rate in several orders of magnitude. |
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