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Condensation occurs in the mixed flow regime of a condensate film on a flat vertical plate. How does one determine the flow regime during condensation without knowing the Reynolds number? I know that there is an simpler way than calculating the Reynolds number.

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  • $\begingroup$ If you know that there is a simpler way, why are you asking this question? $\endgroup$ – sammy gerbil Mar 17 at 4:06
  • $\begingroup$ because i'm aware of it existance, but i don't know it exactly... $\endgroup$ – Fallingsappy Mar 17 at 4:32
  • $\begingroup$ What's wrong with assuming that it is laminar and then subsequently calculating the Reynolds Number to check on that? $\endgroup$ – Chet Miller Mar 17 at 11:29
  • $\begingroup$ fine by me, but not for my fluid dynamics professor, he said, that there is simple and easy way to determine flow regime then assumption and Reynolds number. $\endgroup$ – Fallingsappy Mar 17 at 18:35

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