Blowing air through a straw

As shown in the diagram, a T-shaped straw is dipped into a glass of water. If you blow air through the opening on the left, leaving the opening on the right open, what will happen?

Details and Assumptions:

  • The incoming air flow is \(\dot V = 0.5\, \text{l/s}.\)
  • The straw with diameter \(6 \,\text{mm}\) has a length of \(8 \,\text{cm},\) half of which is immersed in the water.
  • The densities of air and water are \( \rho = 1.2 \,\text{kg}/\text{m}^3\) and \(1000 \,\text{kg}/\text{m}^3\), respectively.
  • The viscosity of air is neglected so that there is no pressure drop along the pipes.

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