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David Halpern
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  • Research
    • Capillary-elastic instabilites >
      • Animations showing airway closure
    • Thin Film Instabilities and Pattern Formation
    • Surfactant spreading on thin liquid layers
    • Airway reopening mechanics
    • Evolution of gas bubbles in the circulation with application to the bends
    • Motion of red blood cells in the microcirculation
    • Gas dispersion
  • Graduate Students
  • Home
  • Research
    • Capillary-elastic instabilites >
      • Animations showing airway closure
    • Thin Film Instabilities and Pattern Formation
    • Surfactant spreading on thin liquid layers
    • Airway reopening mechanics
    • Evolution of gas bubbles in the circulation with application to the bends
    • Motion of red blood cells in the microcirculation
    • Gas dispersion
  • Graduate Students
  • Capillary elastic instabilities with applications to airway closure
  • Thin film instabilities and pattern formation
  • Surfactant spreading in thin liquid layers
  • Airway reopening mechanics
  • Evolution of gas bubbles in the circulation with applications to the bends
  • Motion of red blood cells in the microcirculation
  • Gas dispersion

Evolution of gas bubbles in the circulation with application to the bends

Deep sea divers suffer from decompression sickness (DCS) when their rate of ascent to the surface is too quick. When the ambient pressure drops, inert gas bubbles are usually formed in blood vessels and tissues of divers. The evolution of a gas bubble in a straight tube filled with slowly moving fluid is studied by solving a coupled system of fluid-flow and gas transport equations.
 
Halpern, D., Jiang, Y. and Himm, J.F. Mathematical modeling of gas bubble evolution in a straight tube. J. Biomech. Eng. 121(5): 505, 1999.

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