Very small pressure differences pA 2 pB can be measured accurately by the two-fl uid
Chapter 2, Problem p2.42(choose chapter or problem)
Very small pressure differences pA 2 pB can be measured accurately by the two-fl uid differential manometer in Fig. P2.42. Density 2 is only slightly larger than that of the upper fl uid 1 . Derive an expression for the proportionality between h and pA 2 pB if the reservoirs are very large. 110 Chapter 2 Pressure Distribution in a Fluid P2.42 h1 pA 1 pB 1 h 2
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