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Member

Join Date: Aug 2017
Posts: 7

# Tank and Dyke Wall

08/11/2017 11:36 AM

What is the calculation, suppose that I have 4 m tank and at ht. of 2m there is hole so as per calculation the maximum distance covered by liquid to touch the ground from tank is 4m so if I locate dyke wall between tank and liquid touch the ground point at some distance so what is the distance between tank and dyke wall ?

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Guru

Join Date: May 2009
Location: Richland, WA, USA
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#1

### Re: tank and dyke wall

08/11/2017 11:37 AM

1. Don't shout.

2. Dike ≠ dyke.

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Off Topic (Score 5)
Guru

Join Date: Oct 2008
Posts: 40289
#2

### Re: Tank and Dyke Wall

08/11/2017 5:31 PM

The distance should be sufficient to contain all the liquid that can possibly leak from the tank.

The math is up to you.

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Member

Join Date: Aug 2017
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#4

### Re: Tank and Dyke Wall

08/12/2017 7:16 AM

thanks alot

Guru

Join Date: May 2007
Location: Annapolis, Maryland
Posts: 4225
#3

### Re: Tank and Dyke Wall

08/11/2017 11:12 PM

How big is the hole?

What is the viscosity of the fluid?

What is the airspeed velocity of an unladen sparrow?

Member

Join Date: Aug 2017
Posts: 7
#5

### Re: Tank and Dyke Wall

08/12/2017 7:18 AM

thanks alot..it will help me

Guru

Join Date: May 2009
Location: Richland, WA, USA
Posts: 20070
#6

### Re: Tank and Dyke Wall

08/13/2017 1:46 AM

The stream will emerge with a horizontal velocity that corresponds to the height of the fluid above the height of the hole. Then the stream will fall at a vertical velocity corresponding to the time from emergence from the hole. This results in a parabolic trajectory which determines the height of the dike at various distances from the tank wall. (Add some freeboard to prevent splashing over the dike.)

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#7

### Re: Tank and Dyke Wall

08/23/2017 6:30 AM

https://www.epa.gov/sites/production/files/2014-04/documents/4_secondarycontainment_impracticability_2014.pdf

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