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Regarding the hydrostatic pressure of liquid columns

2015-11-26View Original

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When designing vertical containers, during the verification process I was asked to include the static pressure of the liquid column in the calculations for the upper head. As far as I understand, it is the upper head that should bear the static pressure of the liquid column. I just can’t figure this out – do any of you have any insights?
Reply #22015-11-26
A character was missed; the upper head should not be subjected to the static pressure of a liquid column
Reply #32015-11-26
A character was missed; the upper head should not be subjected to the static pressure of a liquid column
Reply #42015-11-26
As I understand it, the head should not be subjected to the static pressure of a liquid column; a single difference in wording can lead to a big change in meaning
Reply #52015-11-26
I accidentally missed a character: L
Reply #62015-11-26
The purpose of verification is actually to ensure that the upper and lower end caps are identical; based on the maximum pressure, there is no need to use end caps of different specifications for a single container
Reply #72015-11-26
Well, I guess so. I just thought about it – the container is manufactured in a horizontal position, and during the hydrostatic test, the test pressure includes the static pressure of the liquid column. I wonder if that could be the reason
Reply #82015-11-27
When testing vertical containers under hydraulic pressure in the manufacturing plant, it is usually done in a horizontal position; the hydraulic pressure applied in this case should include the static pressure of the liquid column. At this time, both the upper and lower end caps are subjected to the same hydraulic pressure.
Reply #92015-11-27
If you use sw6 for the calculations and have already entered the hydrostatic test pressure, that means the effect of the static pressure of the liquid column has already been taken into account; therefore, there is no need to consider the static pressure of the liquid column in the design pressure.
Reply #102017-03-28
Don’t talk nonsense, bro; see requirement 4.6.2 of the 150 general guidelines.
Reply #112019-12-02
When checking the water pressure, the following should be taken into account

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