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Efficient performance of gas turbines depends, among several parameters, on the mainstream gas entry temperature. At the same time, transport of this high temperature gas into the rotor-stator cavities of

Efficient performance of gas turbines depends, among several parameters, on the mainstream gas entry temperature. At the same time, transport of this high temperature gas into the rotor-stator cavities of turbine stages affects the durability of rotor disks. This transport is usually countered by installing seals on the rotor and stator disk rims and by pressurizing the cavities by injecting air (purge gas) bled from the compressor discharge. The configuration of the rim seals influences the magnitude of main gas ingestion as well as the interaction of the purge gas with the main gas.

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    Date Created
    • 2010
    Resource Type
  • Text
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    Note
    • Partial requirement for: M.S., Arizona State University, 2010
      Note type
      thesis
    • Includes bibliographical references (p. 69-70)
      Note type
      bibliography
    • Field of study: Mechanical engineering

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    Jagdish Harihara Balasubramanian

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