Turbine case impingement cooling for heavy duty gas turbines

A impingement cooling system for heavy duty turbines that includes a manifold affixed to a casing of the heavy-duty turbine, wherein the manifold includes a plurality of impingement holes in the surface of the manifold and a blower that provides air flow across the plurality of impingement holes of...

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Bibliographische Detailangaben
Hauptverfasser: SEALE JASON, ZHANG HUA, ERICKSON DEAN MATTHEW
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A impingement cooling system for heavy duty turbines that includes a manifold affixed to a casing of the heavy-duty turbine, wherein the manifold includes a plurality of impingement holes in the surface of the manifold and a blower that provides air flow across the plurality of impingement holes of the manifold to cool the casing of the heavy-duty turbine to control the clearance between a tip of a turbine blade and a shroud of the heavy-duty turbine.