ポリマ水溶液中における気泡の成長とその臨界条件
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概要
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The equation for the growth of a bubble in a polymer solution is derived, and the equation for an equilibrium condition of the bubble is obtained. In PAM (polyacrylamide) aqueous solutions, the equilibrium radius of the bubble, the critical bubble radii, the maximum bubble radius and the maximum growth velocity of the bubble are found, and are compared with those in water. The growth critical radius, Rc, defined by the condition where the bubble grows infinitely, increases with polymer concentration. The equilibrium critical radius increases and the growth velocity of the bubble decreases with increasing polymer concentration. These results may give an explanation about the mechanism of cavitation suppression by a polymer addition.
- 一般社団法人日本機械学会の論文
- 1986-09-25