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TEMA II.3 - Tensión superficial - Universidad de Guanajuato

TEMA II.3 - Tensión superficial - Universidad de Guanajuato

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Presión <strong>de</strong>ntro <strong>de</strong> una burbuja<br />

Para un diámetro <strong>de</strong> 20 µm:<br />

p − pa = 2γ<br />

R = 2(72.0 × 10−3N/m) 10.00 × 10−6 = 14600 Pa<br />

Para un diámetro <strong>de</strong> 0.200 µm:<br />

p − pa = 2γ<br />

R = 2(72.0 × 10−3N/m) 0.100 × 10−6 = 1.46 × 10 6 Pa<br />

<strong>TEMA</strong> <strong>II.3</strong>: <strong>Tensión</strong> <strong>superficial</strong> J.P. Torres-Papaqui Ondas y Fluidos 22 / 29

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