Time required to empty a liquid filled contaier through an orifice

  • Thread starter supratim1
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  • #1
supratim1
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Main Question or Discussion Point

This is not a homework question. I am trying to figure it out myself.

Let a spherical shell of radius R be filled with a liquid (full). Now let a small hole of area A be made at the bottom of the shell. Find the time required to empty the shell completely.
 

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  • #2
tiny-tim
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hi supratim1! :wink:

use Bernoulli's equation along a streamline to find the exit speed …

what do you get :smile:

(oh, and i think you'll need a hole at the top of the shell, also! :biggrin:)
 
  • #3
supratim1
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can't we use the Toricelli's Law? I too think a hole should be there at top.
 
  • #4
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What you're describing is very similar to a Zahn cup.
 
  • #5
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This is not a homework question.

It indeed is..... i am your classmate and i know it!!

And yes, consider the top is open (you can imagine it to have a hole)
 

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