查詢結果分析
來源資料
頁籤選單縮合
題 名 | 龍眼乾物理與幾何特性之研究 |
---|---|
作 者 | 林慶福; 李芳繁; | 書刊名 | 農業工程學報 |
卷 期 | 39:3 1993.09[民82.09] |
頁 次 | 頁103-115 |
分類號 | 435.62 |
關鍵詞 | 物理; 特性; 幾何; 龍眼乾; 龍眼; Longan; Dried Longan; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究針對龍眼乾之物理與幾何特性進行試驗,以影像處理量測龍眼乾之長軸與短軸長度、投影面積及投影邊界長,並與手量比較,其結果長軸誤差較短軸小,龍眼乾質量、手量長軸及短軸長度與投影面積均有良好的線性關係。含水率測定,貯放一週後果殼含水率為13.1%,果肉為34.6%,貯放八週後果殼含水率為16.9%,果肉為39.6%。氣體動力試驗,碎殼平均終端速度為6 m/sec,果粒為10.1 m/sec,龍眼乾固定座與剪切刀片距離9 mm時,平均剪切力為2.6 kg,間隙10 mm時為3.1kg,以間隙9 mm時剪切較省力。 |
英文摘要 | This research conducted the physical and geometric testes for dried lingams. Image processing techniques were used to measure the major axis, the minor axis, the projected area, and the perimeter of the projected area. The measurement errors of the major axis are smaller than those of the minor axis. The mass of the dried lingams and the lengths of the major and minor axis measured by hands have good linear relationships with the projected area measured by the image processing method. After one-week storage, the shell and the flesh contained 13.1% and 34.6% moisture, respectively. After eight-week storage, the shell and the flesh contained 16.9% and 39.6% moisture, respectively. The aerodynamic test results show that the average terminal velocity is 6m/sec for broken shells and 10.1m/sec for shelled fruits. The shearing test results reveal that the average shearing force is 2.6kg when the interstice between the shearing blade and the fruit fixing seat is 9mm and it is 3.1kg when the interstice is 10mm. |
本系統中英文摘要資訊取自各篇刊載內容。