Recent content by AlexMentink

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    Calculate elasticity of rubber balloon

    The box will look something like this. Open sides will be covered with a rubber membrane and pressed together to make the box air-tight. The openings on the sides are for CO2 inflation and measurement of pressure differences. The opening on top is for the respiratory inflation (model for the...
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    Calculate elasticity of rubber balloon

    Thanks for all quick replies! I will make it a bit more clear. In most surgeries CO2 is inflated in either the thorax or abdomen to make room for using the instruments. In the case of a thorax surgery, a needle is placed between the lungs and ribcage inflating CO2 (causing a pneumothorax)...
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    Calculate elasticity of rubber balloon

    The thing is that I'm building a box as a model for the respiratory system including diaphragm and abdomen stiffness. In most surgeries CO2 is inflated in either the thorax or abdomen to make room for using the instruments. The box should model the relationships between lungs, diaphragm and...
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    Calculate elasticity of rubber balloon

    Hmm ok, the thing is I have a linear relationship between the lung volume and pressure, therefore I would like to use V/p or p/V in the equation to solve for E. I don't have any idea how to extract p/V or V/p from this relation.. t is indeed the thickness of the membrane
  5. A

    Calculate elasticity of rubber balloon

    Ah of course, thanks for noticing.. Yes the p should be the difference in pressure. Should the formula be correct now?
  6. A

    Calculate elasticity of rubber balloon

    Dear readers, For a Biomedical Engineering project I have to develop a model for the respiratory system of a neonate. This will be done by using pressure/volume data of the lungs. To model these, I would like to use a rubber balloon. However the calculation are more difficult than I thought...
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