You can use the calculator for all fluids and flow rates without any restriction. The calculator applies to fluid mixtures also, but you have to enter the viscosity of a mixture.
With Reynolds number calculator you can analyze what makes fluid flow regime laminar and what is needed to force the fluid to flow in the turbulent regime.
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And even more... Subscribed users have access to the full set of 19 calculators available as Java™ Web start application or download Windows™ 64bit application.
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$250/month
Full year subscription $29.95/year