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  1. Smith

    PIPE UNDER EXTERNAL PRESSURE

    Thank you Kiranpatel and prex. I have checked the wall thickness based in the formula for buckling of high thickness pipes and because the high internal pressure selected for the pipe (roughly 250 bar & the deeper water is 700 m)the external pressure drives to similar thickness. For my...
  2. Smith

    PIPE UNDER EXTERNAL PRESSURE

    Thank you very much Kiranpatel I will try to find the references but it will take me time. Regarding the buckle arrestors, I suppose they are designed for the laying time and that the external pressure for 900 m is negligible compared with the stresses coming from the laying ?. Am I correct? I...
  3. Smith

    PIPE UNDER EXTERNAL PRESSURE

    Hello, I am looking for a formula (in International Units) for checking a pipe of 14" under external pressure. For internal pressure I use Barlow's formula. Is there any formula for determining the spacing between buckle arrestors? Thank you very much in advance.
  4. Smith

    Hello, I have a liquid hat I want t

    Thanks a lot MortenA, the example of the water is really clear. There is still something about this that I am not sure. When do you go to the "fluid zone" if your liquid is over the critical pressure & you heat up? I suppose when you cross the isothermal of the Tc. Is it ok? If you...
  5. Smith

    Hello, I have a liquid hat I want t

    Hello, I have a liquid hat I want to pump. The composition of the liquid varies, so the phase envelope also chanches. Some times, with the differential pressure I want to use, the "liquid" goes over the critical pressure. What are the consequence of this? Can I use a normal pump? If...
  6. Smith

    Colebrook Equation

    For short pipelines and gathering systems I use Weymouth formula. It works properly and the friction factor is function of the diameter. This allows me not to look for iterative solutions. If you use Colebrok you need a graph with the friction factor, you can find in Section 17 of the...
  7. Smith

    ENERGY PLANTS LOCATION

    Thank you sbi, but I am not selecting any location and what I need is to begin to learn about this matter and to know the general rules steming from safety distances. I am sure that Local Emergency Comitee will be contacted if USA location are selected but unfortunately i am not in this point.
  8. Smith

    ENERGY PLANTS LOCATION

    Hello, I am looking for recognised standards where I can find limitations to the plants locations in USA and EUROPE. In particular I would like to know if a Regasification Plant can be situated, near a town, near a football stadium, near a rail road, near a Nuclear Power Plant, near an existing...
  9. Smith

    DATA SHEETS

    Hello, I am interested in finding standard "data sheets" for equipments of REGASIFICATION PLANTS, cryogenic pumps, reliquefiers, open rack vaporizers, sumerged combustion vaporizers, cryogenic vessels, cryogenic pipes. Is there a book with a compilation of these "data...
  10. Smith

    LIQUEFACTION PLANTS

    I am looking for information of LNG liquefaction plants. What are the different process? What are the tipical costs? What are the influence in the cost? Thank you very much in adavance

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