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Volumetric flow rate and speed

Fri Feb 08, 2008 10:09 pm

Already have volumetric flow rate and speed but no link between the two. As a swimmer I would like to know if the water flow rate is x how many miles an hour is it? Could this be set up? Thanks

Re: Volumetric flow rate and speed

Sat Feb 09, 2008 9:30 pm

Heideree wrote:Already have volumetric flow rate and speed but no link between the two. As a swimmer I would like to know if the water flow rate is x how many miles an hour is it? Could this be set up? Thanks


It's not a direct conversion. For a tube you can calculate the flow speed if you know its volumetric flow rate and the area of the tube section. However you generally can't apply the same knowledge for a real river. Firstly, because you usually don't know the area of the "section" of the river (not to mention the fact this area varies greatlyalong the same river). Secondly, most rivers are not straight and direct and thus he speed of the water is not the same across the river.

Anyway, thank you for the suggestion.

Wed Jun 11, 2008 5:28 pm

hi

speaking of flow rate, we here were discussing whether or not the calculator found here (it's a tool for fish tank enthusiasts) is accurate or not, would you please give us some advice? thanks
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