Fluid Mechanics seventh edition by Frank M. White · Problem 3.6
Integral Relations for a Control Volume — Frank M. White
Physics — Fluid Mechanics · net-pressure-force
Problem
A control volume of a nozzle section has surface pressures of 40 lbf/in2 absolute at section 1 and atmospheric pressure of 15 lbf/in2 absolute at section 2 and on the external rounded part of the nozzle, as in Fig. E3.6a. Compute the net pressure force if D1=3 in and D2=1 in.