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  1. HOWDOO

    Pipe Insulation Air Gap

    I am trying to assess the impact of having an air gap between a hot running pipe and an insulating material. What I am wanting to consider is heat transmission across the gap from both air conduction and radiation mechanisms (the gap is small and the pipe is running at high temperatures so...
  2. HOWDOO

    Top of Flare Boom/Stack Material Selection

    Hello, I am wanting to determine if 316 stainless would be suitable for some load bearing components we would supply to the top of an offshore flare stack (>1m from the tip). Historically my company has employed a 'belts & braces' approach in selecting Alloy 800H. The main rational being the...
  3. HOWDOO

    ASCE 7-05 Wind Load GCN Values - Monoslope Roof

    Hello, with regard to determining the pressures acting on a monoslope roof of pitch = 0°, Components and Cladding provisions direct me to Figure 6-19A to which I am given two distinct gust coefficient (GCN) values for each zone, one positive and one negative. I am having difficulty in...
  4. HOWDOO

    ASME Below The Hook Lifting Devices 2011: Pinned Connections

    Hi, could anyone with experience in this standard help explain something about the the effective width limit equations: beff ≤ 4t ≤ be (3-47) beff ≤ be 0.6 Fu/Fy √(Dh/be ) ≤ be (3-48) Where: Fy = Material Yield Strength Dh = Hole Diameter be = Actual width of a pin-connected plate...
  5. HOWDOO

    Bolt Pretension Line Bodies Ansys v13

    First Post! Hi all, i'm hoping one of you may have had some eperience in applying pretensions to line bodies in Ansys. I've scoured the forums/google and found very lttle on the subject but I can't imagine it's not being widely used as it is an obvious time saver. The geometry is a bolted...

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