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The Surface Area of Liquids in Circular Tubes

Report Number: AFOSR-65-2259
Author: Erickson, T. A.
Corporate Author: IIT Research Inst.
Date of Publication: 1965
Pages: 5
Contract: AF 49(638)1121
Original AD Number: AD 625994

The surface area of a liquid in a circular tube approximates to about 2% the area represented by an oblate spheroid that has the tube radius and the meniscus height as its major and minor semiaxes, respectively. Over much of their range, the tables of Bashforth and Adams appear to represent coordinates of an ellipse within about 4%.

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