hygrometer Articles

  • Evaluation of MCM hygrometer and validation system during - Case Study

    Evaluation of an MCM moisture analyser and validation system during start up of Platformer 4 at Shell Bukom, April 2005. Overview Platformer start up requires an accurate knowledge of moisture levels in order too prevent over cracking, help optimise yields and prevent early catalyst damage. The presence of chloride and other contaminants during start up often affect the water ...

  • Basic tests for checking validity of field data

    The following guidelines are suggested for verifying micrometeorological data gathered in field experiments. It is assumed, for simplicity, that the observations being tested are made over open, relatively flat and uniform terrain, with small roughness elements. It is also assumed that the sensors and the data acquisition and recording hardware are basically sound and that the purpose of the ...

  • Heat treatment of steels and other metals case study

    Application Moisture is measured in the blanketing gases that are used in the treatment of steel. Problem Inert blanketing gases are required during the heat treatment of steels to prevent oxidation of the metal product. At heat-treating temperatures, moisture and oxygen will readily react with the metal to form an undesirable metal-oxide coating on the ...

  • Hydrogen-cooled electric generators case study

    Application Moisture contamination is measured in the hydrogen gas used to cool large stationary electric generators. Problem Hydrogen is used to cool the bearings and other rotating parts of large stationary electric generators. Hydrogen is the best choice for a cooling gas because of its unique combination of high thermal conductivity and low viscosity. In ...

  • Drying plastic resin pellets in injection- Molding & Extrusion processes case study

    Application Moisture concentrations are measured in the dry purge air used to remove moisture from a hopper containing plastic resin pellets used in injection-molding and extrusion processes. Problem Moisture contaminates the plastic resin pellets causing several quality problems in the finished plastic products. Moisture causes clear ...

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