Chapter 9, Problem 9.50PP

Figure 9.29 shows a system in which methyl alcohol at $77°F$ flows outside the three tubes while ethyl alcohol at $0°F$ flows inside the tubes. Compute the volume flow rate of each fluid required to produce a Reynolds number of $3.5\times {10}^4$ in all parts of the system. Then, compute the pressure difference for each fluid between two points $10.5ft$ apart if the system is horizontal. All surfaces are copper.