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題 名 | 蓮霧之黏彈特性(1)--負荷鬆弛性質之研究 |
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作 者 | 黃清旺; 連振昌; 郭鳳瑞; 洪滉祐; | 書刊名 | 農業機械學刊 |
卷 期 | 4:2 1995.06[民84.06] |
頁 次 | 頁47-57 |
分類號 | 435.39 |
關鍵詞 | 蓮霧; 黏彈性; 負荷鬆弛; Wax apple; Viscoelastic property; Force relaxation; |
語 文 | 中文(Chinese) |
中文摘要 | 蓮霧在運銷過程中,因碰撞、振動、壓擠或摩擦等引起之效應,道致到達市場時品 質劇降,為減少損失,可從包裝方面改善,但缺乏該產品之物性資料,本研究乃利用物質物 性分析儀(Texture Analyser),對其果實實施變形率的分析試驗,探討其應力鬆弛試驗特性。試 驗結果確知蓮霧果實具有黏彈性之物理特性,其鬆弛Maxwell模式優於三元件模式,三個並 聯的Maxwell模式可預估該產品果實的應力鬆弛特性,本文已建立一理論模式以預估蓮霧果 實應力鬆弛持性。 |
英文摘要 | Because the quality decrease of Wax apples was primarily due to collision, vibration, compression and/or influences during transportation, the fruit packing technology should be improved to reduce the damage. This study investigated the force relaxation properties of Wax apple using a texture analyzer. The experimental results showed that the Wax apples behaved as a viscoelastic material. The relaxation time decreased as the strain rate an initial stress increased. The generalized Maxwell model with three parallel units was better in representing the force relaxation characteristics of Wax apples than the three-element model. Finally, we established an theoretical model to estimate the stress relaxation property of Wax apples. |
本系統中英文摘要資訊取自各篇刊載內容。