Physics Help Forum Bernoulli's equation

 Thermodynamics and Fluid Mechanics Thermodynamics and Fluid Mechanics Physics Help Forum

 Aug 30th 2016, 05:13 AM #1 Junior Member   Join Date: Aug 2016 Posts: 1 Bernoulli's equation For d=10 cm and D=16 cm, determine the minimum flow rate that can be achieved without caitation occuring in the piping system? thank you for helping!
 Oct 21st 2016, 12:23 PM #2 Junior Member   Join Date: Apr 2016 Posts: 14 use bernoullis equation: $\displaystyle p_1+\rho gh_1 + 0.5\rho v_1^2=p_2+\rho gh_2 + 0.5\rho v_2^2$ $\displaystyle h_1=v_2=0$ $\displaystyle p_1=p_2$ $\displaystyle 0.5 v_1^2= gh_2$ and solve for v to find minimum flow at the bottom level.But because of the change in diameter we use the $\displaystyle v_1A_1=v_2A_2$ afterwards Since no one answered I gave it a try. Let me know if this is wrong.

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