頁籤選單縮合
題 名 | 青割牧草基本物性及懸浮速度之測度 |
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作 者 | 連振昌; | 書刊名 | 農業工程學報 |
卷 期 | 41:2 1995.06[民84.06] |
頁 次 | 頁71-75+70 |
分類號 | 434.4 |
關鍵詞 | 盤古拉牧草; 懸浮速度; Pangola grass; Suspension velocity; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究之目的乃是以盤古拉牧草為研究對象,首先測定盤古拉牧草莖的含水率及摩擦係數兩種基本物性,其次利用一垂直式風洞試驗裝置,以量測出不同長度的盤古拉牧草莖之懸浮速度;作為牧草青割收穫機氣力輔助輸送之設計依據。 由實驗的結果,可得以下結論: 1.適割期盤古拉草之含水率在59.5~66.4%。 2.盤古拉草莖由最大靜摩擦裝置量測所得之最大靜摩擦係數為0.51%。 3.由風洞試驗所得的結果;盤古拉草之長徑比K與懸浮速度V□成反比關係,其直線迴歸方程式:V□=8.662-0.040 * K。 |
英文摘要 | The agricultural material of this study is pangola grass. First, the moisture content and friction coefficient of the pangola grass were tested, and then the suspension velocity of pangola grass with different length was measured by a vertical wind tunnel equipment. The experimental results are used as a design basis for forge harvester. The conclusions were shown as following: 1. The moisture content of pangola grass for harvest is between 59.5-66.4%. 2. The maximum friction coefficient of pangola stem is 0.51. 3. The experimental date of wind tunnel test were analyzed by linear regression and the experimental formula was V□ = 8.662 – 0.040 * K Where K is the ratio of length to diameter of pangola stem, V□ is the suspension velocity. |
本系統中英文摘要資訊取自各篇刊載內容。