摘要
隧道式烘乾機主要用於食品類烘乾、稻穀類烘乾以及棉織類烘乾等等，是屬於大量烘乾用途類之大型烘乾機，由於體積較大，所以相對的烘乾機之內部流場變化也較複雜，同時也關係著能量消耗的多寡以及烘乾效率，因此如何提升烘乾機之內部流場及氣流分佈的均勻性為其重要課題。 本研究依照毛巾工廠內隧道式烘乾機為範本設計出一縮小比例的壓克力隧道式烘乾機模型，主要目的在於運用實驗結果來驗證數值模擬方法的可靠性，並採用商業套裝熱流分析軟體FloEFD來進行模擬與運算。 模擬中修改了其模型參數，在模擬後發現增加導流板後的氣流能比未加導流板之烘乾機更平均導入烘乾機內部，因此將針對導流板來修改其孔洞大小、排列方式及抽風口的數量和位置，並在得知其最佳化參數之後加入溫度場來觀察與分析討論。
並列摘要
Tunnel dryer is mainly used for drying food, rice and cotton class category drying drying, etc., is part of a number of large classes of dryer drying purposes, due to the larger volume, so the relatively dryer the internal flow field changes are more complicated, but also related to the amount of energy consumption and drying efficiency, and therefore how to improve the uniformity of the flow field and an important subject for the dryer's air distribution. In this study, according to the towel factory tunnel dryer as a template to design a reduced scale acrylic tunnel dryer model, the main purpose is to use the experimental results to validate the reliability of the numerical simulation method, and heat flow analysis using the commercial kit FloEFD software to simulate the operation. Modify its simulation model parameters, the simulation was found to ncrease the flow deflector after more than average import inside the dryer is not drying machine plus deflector plates will therefore be for the deflector modify its pore size, arrangement and the number and location of exhaust ports, and after that its parameters to optimize the temperature field to observe and analyze the discussion.
參考文獻
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