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  • Users: thorangle
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  1. thorangle

    Pumpable refractory insulation for older HRSG

    Has anyone used or experience with Kaowool Pumpable insultation? I have three, 20 year old Heat Recovery Steam Generators with numerous hot spots. Many of the hot spots are in inexcessable areas. Thank You
  2. thorangle

    Biodiesel use in combustion turbine

    Anyone have experience using Biodiesel as the primary fuel for Combustion turbines? What issues did you experience? Specifically: -combustor/fuel nozzels -filter clogging -cold weather performance -above ground storage tanks Thank You
  3. thorangle

    Diesel storage & maintnenance policies

    I have three simple cycle Combustion Turbine sites that use diesel as a backup fuel. Each site can store inexcess of 100,000 barrels of diesel. Any information or directions to standards and Industry Best Practices regarding diesel fuel maintenance, rotation, and long term storage is...
  4. thorangle

    LNG volume @ STP

    A cubic foot, gallon, liter, or cubic meter of Liquified Natural Gas. What would its expanded volume be at standard temperature and pressure? Thanks.
  5. thorangle

    LNG volume @ STP

    A cubic foot (or M^3) of Liquified Natural Gas. What is its expanded volume at standard temperature and pressure? Thanks
  6. thorangle

    Combustion Turbine Exhaust corrosion

    The exhaust stacks on my combustion turbines are not lined, i.e. bare steel. Every time we start a unit, it rains rust flakes. A vendor has offered to "flame spray an aluminum coating" on the inside of the exhaust stack. Does anyone have experiense with corrosion in this area? Does anyone...
  7. thorangle

    Al flame spray CT exhaust stack

    I have corrosion problems in the exhaust stack of My Pratt & Whitney simple cycle combustion turbines. A vendor claims he can solve my corrosion problems by flame spraying the lower 20 feet of the exhaust stack with Aluminum (sorry no alloy specifications yet). Exhaust stack temperatures can...
  8. thorangle

    System Utilization Factor

    I am comparing my utility planning practices with prevailing practices. With that in mind I have some questions I would greatly appreciate your responce on. The definition of Utilization Factor (UF) we use/go by is: UF is the ratio of the maximum demand of a system to the rated capacity of...
  9. thorangle

    Utilization Factor

    I would like to ask a few questions regarding Asset Utilization Factor to compare our pratices with prevailing paratices. Utilization Factor (UF) as we define/use it: UF is the ratio of the maximum demand of a system to the rated capacity of the system. In other words, the UF indicates the...
  10. thorangle

    NG system Cold Weather Plans?

    I am an engineer with Puget Sound Energy, and am interested in knowing if other Natural Gas utilities have plans or procedures for mitigating low pressure on cold days? I would like to compare our plans and procedures to see were PSE can improve. Thank You.
  11. thorangle

    H2 from seawater

    Why can't you place two electrodes in seawater, place a voltage source across the electrodes and produce hydrogen and oxygen?
  12. thorangle

    ASA B18.3

    Can anyone help me find a web site that has information on this old standard?
  13. thorangle

    Thread engagement

    Can anyone tell me of a standard that specifies the minimum number of bolt thread protuding past the nut on a bolted flange? Thanks
  14. thorangle

    Anodize Aluminum Electrical Bus

    I would like to know if there is an inexpensive process to anodize 6061-T6 aluminum such that the electrical resistance at the surface is equal to (or less than) the base metal and the surface is protected from atmospheric corrosion?
  15. thorangle

    PE natural gas pipe protection

    I am looking at the situation were buried PE natural gas pipe must cross over buried electrical cable (120/240 volt). Worst case is the electric cable faults were the PE pipe crosses over. I am looking for some kind of material (inexpensive) to protect the PE gas pipe from the thermal energy...
  16. thorangle

    Wing-Arm

    3-Phase deadend wing-arm on a distribution pole. Anyone have experience with this? Thanks, Thor
  17. thorangle

    fatigue failure anomaly

    I have a 3/4-10 UNC threaded rod, conforming to IEEE standard C135.1-1999, IEEE standard for zinc-coated steel bolts and nuts for overhead line construction. The failed section of the bolt has striation marks indicative of fatigue failure, and a small zone with typical brittile failure...
  18. thorangle

    rolled threads

    Does anyone know when fasteners with rolled threads first became available in quantity? Thanks
  19. thorangle

    Pumping grout into 300' long conduit run

    Data: 54 inch ID steel casing. A circular pattern of 12x 6 inch diameter PVC conduit with 2 x 4 inch conduit runs inside the casing. A conduit bore spacer installed approximatly every 5 feet, to support the 6 and 4 inch conduit runs, as well as grout injection hose. A 2 inch ID hose will be...

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