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浮力秤量法による粒径分布測定法の研究開発
https://doi.org/10.15118/00005092
https://doi.org/10.15118/00005092931e83c3-d636-491d-9630-723425c03741
名前 / ファイル | ライセンス | アクション |
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kou-326 (1.9 MB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2012-07-11 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Research and Development of the Particle Size Distribution Analyzer by the Buoyancy Weighing-Bar Method | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 浮力秤量法による粒径分布測定法の研究開発 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Particle size distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | buoyancy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Allen region | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stokes diameter | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | mean particle diameter | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||
資源タイプ | doctoral thesis | |||||
ID登録 | ||||||
ID登録 | 10.15118/00005092 | |||||
ID登録タイプ | JaLC | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
ロンダン, タムブン
× ロンダン, タムブン |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The particle size distribution and mean particle size are the most important characteristics in particulate or powder technology. Various approaches have been used to measure particle size distributions. For solid-liquid systems, the particle size distributions have been measured by the Stokes diameter. The Andreasen pipette method, sedimentation balance method, centrifugal sedimentation method, etc. have been used to measure the particle size distribution in suspensions. These methods measure the migration velocities of particles in solution, and then particle size is calculated using Stokes formula. However, all these methods are time consuming and require special skills. On the other hand, a different principle can be used to analyze the particle size distribution through microscopy, laser diffraction/scattering method, and a Coulter counter method. These methods require numerous samples to accurately determine the particle size distribution. Although the laser diffraction/scattering and Coulter counter methods produce highly accurate results within a shorter time, they require extremely expensive equipment. Hence, a simple and cost effective method to determine the particle size distribution is highly demanded.The investigation of particle size distributions by the buoyancy weighing-bar method which is a novel method in particle size distribution measurement have been done for several samples particles of Japan Industrial Standard (Test Powders 1 and Test Powders 2), Sumitomo 3M (glass beads K1, K37, S60HS), polystyrene beads (spherical), nylon beads (cylindrical), etc. The influence of solid concentration, influence of shape and size of weighing bar and influence of vessel size also had been investigated in particle size distribution measurement by the buoyancy weighing-bar method. The result data obtained by the buoyancy weighing-bar method were comparable with the others particle size analyzer, such as sedimentation balance method, Andreasen pipette method, Coulter counter method, microscopy and the laser diffraction/scattering method. The buoyancy weighing-bar method is suitable for measuring the settling particle size distribution and the floating particle size distribution. The buoyancy weighing-bar method could be used to measure the particle size distribution in Stokes region and in Allen region. The particle size distribution obtained by the buoyancy weighing-bar method could be used to estimate the smaller particle size by using the Rosin-Rammler distribution. Theory was rediscussed and the new mean particle size was defined. Beside, the buoyancy weighing-bar method could be used to determine the mean particle sizes for a ternary mixture and multi-component particles in a short time. This ability is very useful in the powder industry. Similar to other methods to analyze particle size, the buoyancy weighing-bar method is accurate in an initially homogeneous suspension. Because the buoyancy weighing-bar method apparatus can be made by hand, it is also economical. Additionally, the buoyancy weighing-bar method is easier to be implemented compared to other sedimentation particle analysis methods. | |||||
言語 | en | |||||
学位授与機関 | ||||||
学位授与機関識別子Scheme | kakenhi | |||||
学位授与機関識別子 | 10103 | |||||
言語 | ja | |||||
学位授与機関名 | 室蘭工業大学 | |||||
言語 | en | |||||
学位授与機関名 | Muroran Institute of Technology | |||||
学位名 | ||||||
言語 | ja | |||||
学位名 | 博士(工学) | |||||
学位の種別 | ||||||
ja | ||||||
課程博士 | ||||||
学位授与番号 | ||||||
学位授与番号 | 甲第326号 | |||||
報告番号 | ||||||
ja | ||||||
甲第326号 | ||||||
学位記番号 | ||||||
ja | ||||||
博甲第326号 | ||||||
研究科・専攻 | ||||||
ja | ||||||
工学研究科・物質工学専攻 | ||||||
学位授与年月日 | ||||||
学位授与年月日 | 2012-03-23 | |||||
日本十進分類法 | ||||||
主題Scheme | NDC | |||||
主題 | 571 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |