頁籤選單縮合
題 名 | The Experimental Study on the Tension of New Design Mooring Rope Net Cage=新設計箱網繫留索張力之實驗研究 |
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作 者 | 俞克儉; 呂學信; 周耀烋; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 26:3 1999.09[民88.09] |
頁 次 | 頁145-152 |
分類號 | 439.3 |
關鍵詞 | 箱網; 彈性空間; 瞬間張力; 最大張力; Net cage; Elastic space; Instantaneous tension; Maximum tension; |
語 文 | 英文(English) |
中文摘要 | 本實驗透過繫留索之改良,以減少繫留索因波流作用而招致之網具破壞,故做本 項設計研究。本研究以一 40cm × 40cm × 32cm 之模型傳統箱網及新設計繫留索箱網,放 置於波流水槽中,分別以四種重量之沉子結付於箱網以作實驗,在不同的流速及波高之運作 下計測其繫留索張力,其結果如下:於相同的海況條件,當大浪強流時,新設計繫留索箱網 之最大張力將減少至傳統箱網張力之 55% 以下,瞬間張力更降至傳統式繫留索之 44%。 由 於彈性空間的設計,使新設計繫留索箱網在大浪強流時能減少其繫留索之最大張力及瞬間張 力,這訊息可用以發展抗浪形之繫留索,以達保護箱網之目的,提高箱網之養殖效益。 |
英文摘要 | Experiments were conducted on preventing damage to net cages from waves and strong current by reducing the swash through adjusting the tension in the mooring ropes. In this study, a 40 cm × 40cm × 32cm traditional net cage and a new design mooring rope net cage were used as models in a current-wave water tank. There were 4 kinds of sinker weights fastened to the bottom of net cage. The tension of the mooring rope was adjusted and measured under different flow velocity (V) and wave heights (H). The results are as follows: In the same condition, we can determine that the maximum tension of the new mooring rope can reduced to 55% of a traditional net cage and the instantaneous tension of the new mooring rope was reduced to 44% of the traditional mooring rope when against strong waves and current. Due to the design of the elastic space, the new mooring rope net cage can reduces the maximum tension and instantaneous tension against strong waves and current. This information was used in the development of an anti-wave mooring rope and protects the net cage. |
本系統中英文摘要資訊取自各篇刊載內容。