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  • Users: curve3104
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  1. curve3104

    pipe tracing and insulation

    Anyone know of a good calculator for estimating electric tracing loads and insulation combinations in piping?
  2. curve3104

    latent heat values

    Anyone know where a good source online would be for latent heat values of various materials, namely oils? Thanks
  3. curve3104

    API vs. ANSI pumps

    I'm sure this has been addressed previously, but wanted to know if anyone could help me out quickly.... I'm working on a project for a gasoline/fuel oil terminal, where fuel is delivered to tanks via a pipeline and pumped from the tanks to tanker trucks for delivery. We are adding new tanks...
  4. curve3104

    tank heating coil

    Does anyone have experience with heating fuel oil in bulk storage tanks? I have an application where steam coils are used to heat fuel oils (#2 to #6), so they do not gel at low temperatures. I need to calculate the maximum steam temperature to which I can deliver to the heating coils such that...
  5. curve3104

    petrodiesel/biodiesel transportation in cold climates

    I'm looking into transporting either biodiesel or petrodiesel by truck or rail in cold climates. Is anyone aware of how these vessels are heated to prevent gelling? I would assume electric traced, but not sure. They may possibly be insulated only, but I'm not sure. Links to a website or some...
  6. curve3104

    flame radiant energy

    I am trying to determine the quantity of thermal radiation from a flame. Also, more importantly, I'm trying to determine the radiant load as a function of distance from an object (i.e. don't want to burn up something near the flame). Does anyone know the relationship between thermal radiation...
  7. curve3104

    Heavy oil AST heating

    I have a question regarding heavy oil tank heating. I am looking into ways to keep oil products stored in large AST's (200M barrel or so) warm in cool climates. I have seen internal steam coils, but are there other ways to do it? External plate heat exchanger skid with pump recirculation...
  8. curve3104

    Pump discharge PSV/TSV specifications

    I have noticed relief valves in refining plants (not sure exactly which type of relief device) installed on piping from process units to storage tank farms, and on the discharge side of product pump stations, sending product to truck/barge loading, etc. Are these pressure relief valves, or...
  9. curve3104

    Steam drum holding time

    Does anyone know how to calculate the drum holding time for an industrial watertube boiler? I have seen requirements for boilers to maintain "X" minutes of drum hold time before the low water alarm trips. Any ideas how this is calculated? Thanks0
  10. curve3104

    Steam quality and drum sizing

    I intended for this question to be posed in this forum, but listed it in another by accident. I have copied questions and responses. Please feel free to respond with your comments and suggestions to this question. It would be appreciated. Thanks! curve3104 (Mechanical) May 27, 2004 A...
  11. curve3104

    Steam drum area of disengagement

    A certain area of water surface is required in a boiler from which to release the steam at an acceptable velocity with minimal carryover. I am looking for design standards or calculation methods for determining steam drum diameters and lenghts to ensure that the area of the normal water level...

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