2.48 A spherical soap bubble has an inside radius R, a film thickness t, and a surface tension o. Derive a formula for the pressure within the bubble relative to the outside atmospheric pressure. What is the pressure difference for a bubble with a 4-mm radius? Assume o is the same as for pure water.

2.48 A spherical soap bubble has an inside radius R, a film thickness t, and a surface tension o. Derive a formula for the pressure within the bubble relative to the outside atmospheric pressure. What is the pressure difference for a bubble with a 4-mm radius? Assume o is the same as for pure water.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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2.48 A spherical soap bubble has an inside radius R, a film
thickness t, and a surface tension o. Derive a formula for the
pressure within the bubble relative to the outside atmospheric
pressure. What is the pressure difference for a bubble with a
4-mm radius? Assume o is the same as for pure water.

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