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Recent content by MEjmr

  1. MEjmr

    Solar heat transfer

    Are these equations the same? see attachment
  2. MEjmr

    B31.3 Water hammer anlysis

    I have done that, however the design I am working on is used for multiple situations, moved around from one place to the next. So rather than redo the calc for every situation I was asked to find a max value so further calcs we can just compare to the max rather than redo it. Its for a DOE...
  3. MEjmr

    B31.3 Water hammer anlysis

    the pipe is supported at both ends and one support in the middle. I am ignoring the support in the middle and treating it as a span. So then can I still take 1.1 x MAOP and subtract out my longitudinal stresses (sustained load), and my bending stresses to find max. allowable?
  4. MEjmr

    B31.3 Water hammer anlysis

    Even if the pipe I am analyzing is a straight 2" section 4.5' long?
  5. MEjmr

    B31.3 Water hammer anlysis

    Im doing a B31.3 analysis on a pipeline and I'm trying to calculate the maximum allowable water hammer within the pipe. I am taking a section [302.3.6 a] from B31.3 which says that the sum of sustained and occasional loads may be as much as 1.33 times the basic allowable. So can I just take...
  6. MEjmr

    Stress concentration factors

    Anyone know of any good refrences where I can find stress concentration factors? I am looking for the stress concentration factor for a 1" square shaft that has 1/4" fillet and square shoulder into a 2" round shaft.
  7. MEjmr

    Bolt torque to prevent slipping

    using ASTM A193 Gr class 2 1/2-13unc-2a x 1-3/4L
  8. MEjmr

    Bolt torque to prevent slipping

    well to be clear, its a mounting frame for an actuator. The actuator is mounted to the frame. I am only concerned with the frame bolted to the ground as described previously. It is located at the center of the frame and produces 4425 in-lb of torque. The bolts are located 10.875" away from...
  9. MEjmr

    Bolt torque to prevent slipping

    I am trying to figure out bolt torque requirements to prevent slipping. I have a bracket with 1.5" oversized holes to allow for alignment, and a clamping plate with .5" bolts. I am trying to figure out torque requirements for the bolts to keep the bracket in place once aligned. The bolts go...

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