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Student Number 86321036
Author Shun-Cheng Wang(王順程)
Author's Email Address No Public.
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Department Chemical and Materials Engineering
Year 1998
Semester 2
Degree Ph.D.
Type of Document Doctoral Dissertation
Language zh-TW.Big5 Chinese
Title Sedimentation of Small Aggregate
Date of Defense
Page Count 53
Keyword
  • aggregation
  • Flocs
  • permeability
  • porosity
  • Sedimentation
  • Abstract
    Table of Content 摘要
    目錄……………………………………………………………………Ⅰ
    圖目錄……………………………………………………….. Ⅲ
    表目錄……………………………………………………………….. Ⅳ
    符號目錄……………………………………………………………. Ⅵ
    第一章 緒論………………………………………………………. 1
    1-1 研究動機……………………………………………………. 1
    1-2 文獻回顧……………………………………………………. 2
    1-3 + 邊界效應……………………………………………………. 7
    1-3-1 圓柱槽的修正……………………………………………….. 7
    1-3-2 方槽的修正………………………………………………….. 8
    1-4 理論依據…………………………………………………….. 9
    第二章 實驗設備與步驟……………………………………….. 1 4
    2-1 實驗粒子……………………………………………………. 1 4
    2-2 沈降設備……………………………………………………. 1 5
    2-2-1 密度與黏度測量…………………………………………….. 1 6
    2-2-2 攝影儀器與影像分析……………………………………….. 1 7
    2-3 實驗流程圖………………………………………………….. 1 8
    第三章 結果與討論…………………………………………….. 2 0
    3-1 理論驗證…………………………………………………… 2 0
    3-1-1 兩顆同大小聯結粒子……………………………………… 2 0
    3-1-2 兩顆不同大小聯結粒子…………………………………… 2 0
    3-1-3 平面結構…………………………………………………… 2 1
    3-1-4 立體結構…………………………………………………… 2 1
    3-1-5 同粒子數不同結構比較…………………………………… 2 2
    3-2 文獻方法驗證……………………………………………… 2 2
    3-2-1 球形因子參數……………………………………………… 2 2
    3-2-2 多孔體模式的評估………………………………………… 2 3
    第四章 結論與建議……………………………………………. 2 7
    參考文獻…………………………………………………………….. 5 2
    圖 目 錄
    圖一 實驗儀器圖………………………………………………… 1 9
    圖二 兩顆不同大小聯結粒子沈降結果………………………… 3 6
    圖三 兩顆不同大小聯結粒子沈降軌跡圖(一)…………………. 3 7
    圖四 兩顆不同大小聯結粒子沈降軌跡圖(二)…………………. 3 8
    圖五 鏈狀結構實驗結果(一)……………………………………. 3 9
    圖六 鏈狀結構實驗結果(二)……………………………………. 4 0
    圖七 多邊形結構實驗結果……………………………………… 4 1
    圖八 正方形結構實驗結果……………………………………… 4 2
    圖九 球形因子模式-實驗結果比較…………………………… 4 3
    圖十 Brinkman模式-實驗結果比較…………………………... 4 4
    圖十一 Carman-Kozeny模式-實驗結果比較……………………. 4 5
    圖十二 Cell模式-實驗結果比較…………………………………. 4 6
    圖十三 dp = 0.5, k v.s φ………………...……………………. 4 7
    圖十四 dp = 0.5, Ω v.s φ……………………………………… 4 8
    圖十五 φ= 0.5, k v.s dp………………………………………. 4 9
    圖十六 φ= 0.5, Ω v.s dp………………………………………. 5 0
    圖十七 R-P方法-實驗結果比較………………………………… 5 1
    表 目 錄
    表一 常用的多孔體模式………………………………………… 6
    表二 邊界效應比較(一),D=0.59………………………………… 2 9
    表三 邊界效應比較(二)…………………………………………. 3 0
    表四 兩顆同樣大小粒子實驗結果……………………………… 3 1
    表五 兩顆不同大小粒子實驗結果……………………………… 3 2
    表六 平面碎形結構實驗結果…………………………………… 3 3
    表七 平面十字結構實驗結果…………………………………… 3 3
    表八 立方體結構實驗結果……………………………………… 3 4
    表九 立體十字結構實驗結果…………………………………… 3 4
    表十 H-C-P結構實驗結果………………..……………………… 3 4
    表十一 六顆粒子不同組合排列結構實驗結果………………… 3 5
    符 號 目 錄
    第一章
    U…………終端速度, velocity
    μ………...液體黏度, viscosity
    N………….組成顆粒數, number of particles
    CD………...阻力係數, drag coefficient
    df……….…聚集體直徑, diameter of floc
    ε…………空隙度, porosity of floc
    g…………..重力加速度, gravitational acceleration
    ρp…………組成顆粒之密度, the density of primary particle
    ρw…………油密度, the density of oil
    ρf………….聚集體之密度, the density of floc
    Ω…………..聚集體與相同體積之球形固體所受的阻力比, the ratio of
    the resistance experienced by a floc to that of an equivalent
    solid sphere
    k……………聚集體之滲透度, floc permeability
    Fk…………...靜置流體中運動之阻力, drag force in kinetic movement
    f……………..阻力因子, friction factor
    第三章
    β……………兩顆不同大小粒子之粒徑比
    δc …………..兩顆不同大小粒子之重量比
    φ…………….聚集體之體積分率
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    Advisor
  • Heng-Kwong Tsao(曹恆光)
  • Files No Any Full Text File.
    Date of Submission

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