Calculation of the depth of upper and lower end caps for externally pressurized vessels

2009-03-26View Original

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I’ve seen seniors use the formula 0.3875×(inner diameter of the external pressure vessel + 2×wall thickness of the external pressure cylinder – thickness of the upper head – thickness of the lower head) to calculate the sum of the depths of the upper and lower heads. How was this formula derived? There is another issue: the depths of the upper and lower end caps are different. Is this difference due to considerations related to stress?

Reply #22009-03-26

I don’t understand what this means: L

Reply #32009-03-26

Isn’t the depth of a standard elliptical head equal to 1/4 of the inner diameter of the head plus the height of the straight edges?

Reply #42009-03-26

Compare that formula with the results calculated on the 3rd floor to see if there are any differences, and whether it is an empirical formula

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Calculation of the depth of upper and lower end caps for externally pressurized vessels

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