血液中における酸素気泡の溶解

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  • Dissolution of an oxygen bubble in blood.
  • ケツエキチュウ ニ オケル サンソ キホウ ノ ヨウカイ

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The equation of motion for the dissolution of an oxygen bubble in blood is derived by combination of an equation of motion for the bubble in Casson fluids taking into consideration the effect of hematocrit and an approximate solution of diffusion equation. According to computational analyses, the effects of hematocrit Hct, the ratio ƒ of the initial dissolved O2 concentration to the cencentration at saturation, and the initial bubble size on the process of dissolution of an O2 bubble in human blood are made clear. It is found that the dissolution of an O2 bubble in blood is strongly influenced by hematocrit. The completely dissolved time T of the bubble is the least at Hct=40∼50 which is the value of hematocrit for a healthy body.

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