According to Folsom [6], the capillary rise Δh (in.) of a water-air interface in a tube is correlated by the following empirical expression:
where D (in.) is the tube diameter, A = 0.400, and b = 4.37. You do an experiment to measure Δh versus D and obtain:
What are the values of A and b that best fit this data using Excel’s Trendline feature? Do they agree with Folsom’s values? How good is the data?
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Fox and McDonald's Introduction to Fluid Mechanics
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