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題名 | 氣泡幕產生人工湧升流初步研究=A Preliminary Study on Artificial Upwelling Induced by Air-Bubble Screen |
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作者 | 梁乃匡; 彭海鯤; | 書刊名 | 臺灣海洋學刊 |
卷期 | 40:2 2002.12[民91.12] |
頁次 | 頁147-160 |
分類號 | 351.96 |
關鍵詞 | 氣泡幕; 人工湧升流; 深層海水; 混合式; Air-bubble screen; Artificial upwelling; Deep seawater; Hybrid type; |
語文 | 中文(Chinese) |
中文摘要 | 本文研究利用氣泡幕產生人工湧升流將深層高營養鹽的海水揚升至表層的機制。依據Kobus(1973)理論修正後重新推導出的公式,估算湧升流量與進氣量的比值,發現不用湧升管直接產生氣力揚升人工湧升流的方式遠超過使用湧升管的情形。於石門水庫、三仙臺外海、彭佳嶼進行小規模不同水深條件下的性實驗,並於臺大工程科學及海洋工程系實驗水槽的8米深處進行定量試驗。確定不使用湧升管的方式可產生湧升流,使氣力揚升的方法更為可行,但對空壓機的要求很高。如果空壓機取得有困難,則可考慮採用混合式;即有管的氣力升幫浦,加上無管的氣幕式湧升流。 |
英文摘要 | This paper is concerned with theoretical analysis and experiments to obtain air-lift artificial upwelling flow characteristics induced by air-bubble screen. An artificial upwelling by using the technique of air-bubble screen was developed theoretically. According to results of experiments in a laboratory, the air-lift artificial upwelling induced by air-bubble screen is promising. Because the water depth for artificial upwelling is much deeper than those of the usual air-bubble screen technique, further field studies are necessary. However, the demand of the air compressor quality is very high. If it is difficult to get such an air compressor, a hybrid type, i.e. air-lift pump plus air bubble screen, is an another choice. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。