• 作者： Hsu, Hsien-Wen
• 中文摘要： 本文以旋轉系統運動方程式及多成分質重連續方程式討論一般離心方程式。用液體密度傾斜離心分離法做應用例。其一,則用 Pontryagin最大原理求速度沈降分離法所用溶媒之黏度、密度最適傾斜。其二,則用少攝動法求平衡沈降分離法時之穩定性準則。在連續逆流離心分離系統中,本文亦簡略討論同位素氣體在離心分離器中之輸送現象及由離心旋轉產生的超重力單元操作裝置之優點和其相關之無因次變數。
• 英文摘要： General centrifugal equations were discussed from equations of change, equation of motion in rotating system and continuity equation for multicomponent mass flow vector. As examples of application in liquid density gradient centrifugation, an optimum density gradient profile in terms of viscosity and density profiles in radial direction for the use of velocity centrifugation by Potryagin maximum principle and the stability criteria for an isopycnic banding centrifugation by a small perturbation analysis were determined. In continuous countercurrent flow centrifugation, formulation of a gas centrifuge problem and Higee device were discussed. Dimensionless variables for experimental correlations in Higee centrifugations were suggested.
• 中文關鍵字： 離心操作; 密度梯度; 最適離心時間; 最大分離; 超重力單元
• 英文關鍵字： Centrifugation; Density-Gradient; Optimal Centrifugation Time; Maximum Separation; Higee Device