本論文主要以實驗的方式探討顆粒體受到垂直振動時的熱傳行為。其分析對象包括顆粒床體的溫度分佈、顆粒的熱擴散係數、及顆粒體自我擴散運動。研究主要定性探討振動顆粒體在不同的振動條件下的熱傳現象；為了量化熱傳現象，進一步以逆運算法定量分析振動床之振動條件與熱擴散係數間的關係；另外因為顆粒自我擴散運動會增強顆粒熱傳，為證明兩者間的關係，本論文也將以影像處理及粒子追蹤的方式，計算出顆粒自我擴散係數，再將自我擴散係數與熱擴散係數進行比較，實驗結果顯示，熱擴散係數與自我擴散運動呈現線性正相關。

This study investigates the effect of vertical vibration on the granular heat transfer phenomena. In order to qualify the thermal phenomena under different vibration conditions, the inverse numerical method is applied for estimating the effective thermal diffusivity of particle. Because the granular self-diffusivity can enhance the granular thermal performance, this study use Particle tracking velocimetry (PTV) to calculate the granular velocity and granular self-diffusivity. Then we compare the effective thermal diffusivity and granular self-diffusivity. The experimental results show that the effective thermal diffusivity increased with the increased granular self-diffusivity, and in a linear relationship.

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