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Recent content by nstress

  1. nstress

    hairpin heat exchanger

    Is there any commercially available software for MEchanical design of Hairpin heat exchanger? Thanks for your time
  2. nstress

    Stress analysis of cross country piping

    Hi DSB123 , Isthill The pipeline is overland only and not buried; If Caesar can not do this, is there anyother package? Thanks for your tips
  3. nstress

    Stress analysis of cross country piping

    Hello I have to do stress analysis of cross country (Fuel gas) piping. Though I had done the stress analysis for in plant piping,this is new for me. Are there any special considerations which I must take care? I am going to do the analysis in Caesar. Thanks all.
  4. nstress

    Stainless steel vessel with carbon steel stiffener

    Yes, I have decided to use stainless steel stiffener to avoid future problems. Thanks to all of you
  5. nstress

    Stainless steel vessel with carbon steel stiffener

    Hi Experts I have a pressure vessel made of stainless steel designed for vacuum (design temperature 200 deg.C). I need to have stiffeners; according to design carbon steel stiffener is sufficient. From the point of view of welding, is it advisable to use only stainless steel stiffener? (I have...
  6. nstress

    L/D RATIO OF HORIZONTAL Pressure Vessel

    Is there any limitation on the maximum l/d ratio that can be used for a hozl. vessel? I want to use only two saddle supports. thanks for your help N.SEKAR
  7. nstress

    l/d ration of vessel

    Hi all DOes ASME SecVIII has anything to say about the L/D Ratio to be used for a vertical vessel? I am designing a continuous blow down tank in a boiler system.I am just wondering if there is any guideline to find out the optimum L/D Ratio thanks for your time and help
  8. nstress

    design of Heavy water upgrading plant for nuclear power station

    Hello We are designing a piping system for the Heavy water Upgrading plant for one of the existing Nuclear Power Plant of 220 Mwe PHWR. Can any one of you suggest what special precautions apply? Thanks for sharing your experience. REGARDS
  9. nstress

    Can we use API 5L Gr.B seamless Pipe in place of A106 Gr.B

    SABIRHUSSAIN What is your application? REGARDS
  10. nstress

    ASTM A105 what does it mean?

    The German equivalent for A105 material is 15Mo3. Actually 15Mo3 is even superior since it has some alloying elements, while A105 is a carbon steel forging. good luck
  11. nstress

    Deaerator

    The Deaerator is normally a pressurised vessel, while the condensate tank is an atmopheric tank only. The low pressure steam connection must be given to the deaerator, where the steam heats the water to expel the dissolved oxygen in the water. good luck
  12. nstress

    Design of metallic expansion bellow

    hI I am designing a exhaust steam duct at the back of steam turbine connecting the aircooled condenser. I have to select proper expansion bellows (metallic) and calculate the anchor forces and order the right expansion bellows. Any references on how to do this? I am using Caesar-II pipe stress...

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