Author Topic: The filthy five and St valentines sump info?  (Read 4562 times)

Offline Cantclimbtom

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Re: The filthy five and St valentines sump info?
« Reply #50 on: March 31, 2021, 07:07:06 pm »
Personally I'd have described it as the exact opposite of a rocket nozzle.
Trading energy that could be jet washing the bottom pool of your syphon in favour of a bit more suction in the pipe.

Edit: or for you mining types, look carefully at how the air exits the guibal labelled fig 6, it gets wider as it leaves to create suction

https://www.aditnow.co.uk/Photo/Guibal-Fan_43490/
« Last Edit: March 31, 2021, 07:27:13 pm by Cantclimbtom »
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Offline SamT

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Re: The filthy five and St valentines sump info?
« Reply #51 on: March 31, 2021, 08:52:20 pm »
Errr - that wasn't a rocket nozzle??  its a draft tube for a hydro turbine.

At the end of the day, extra suction at the intake still doesn't lead to an increase in the amount of water shifted, since it just slows the rate at the other then  :shrug:

 

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