Diameter of the middle surface of the ring
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The pressure vessel design manual, when calculating cylinders under external pressure, mentions the method for determining the wall thickness of oblong cylinders. In the formula, what diameter does the diameter D of the mid-plane of this ring refer to? Is this calculation not mentioned in GB150.3? I would appreciate some guidance from experts, thank you! For the container design manual, please see the following: Link: https://pan.baidu.com/s/14kasvQpi48t82O3ruHx-VQ Password: t2d9. Copy this text and open the Baidu Netdisk mobile app for easier access
It’s nothing more than the mutual calculation of the pressure and wall thickness of the fish
Thank you all for your replies; I’ve found it. The definition of this D is shown below
I derived it again and found that the formula for calculating the wall thickness is incorrect; it should be the cube root
May I ask if it is possible to calculate the wall thickness of externally pressurized fiberglass wind ducts using this formula?
Follow the design specifications for fiberglass chemical equipment
There are no parameters for fiberglass-reinforced plastic materials; what’s the point of that?