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Gas turbine control Torsten Strand

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The gas <strong>turbine</strong> secondary flows SGT-600<br />

• The gas temperatures in the combustor and the <strong>turbine</strong> inlet stages is higher<br />

than the melting point of the material in spite of the fact that it is of high<br />

temperature Ni-based alloy type<br />

• compressor air is used to cool the combustor walls and the hollow blades of<br />

the first two stages<br />

©Siemens Power Generation 2003. All Rights Reserved<br />

Bleed flows at start<br />

Combustor bypass flow<br />

for emission <strong>control</strong><br />

25/04/2006<br />

Cooling flows<br />

Power Generation 7

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