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  1. pvwander

    Area Moment of Thin-Walled Cylinder, I

    Hello All, I was asked by my immediate superior to calculate the area moment of Inertia for the thin-walled cylinder to be used in the calculation of Wind axial stress, S = Mc / I. I am not sure if my calculated I is correct, I = 2 pi R^3 t, using the general eq. I = y^2 dA. Can anyone...
  2. pvwander

    Heat Exchanger U-bend Under External Pressure

    Hi All, I am just new in this forum and I have these questions; Currently, I am calculating the max. span of U-tube under external pressure (shell side press.) 1. Do I need to add the U-bend length to the straight length for the computation of L/Do? 2. Can we consider the U-bend as...

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