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2020 | OriginalPaper | Buchkapitel

8. Stabilisierung durch Wandkonturierung, „Endwall treatment“

verfasst von : Franz Joos

Erschienen in: Aerodynamik axialer Turbokompressoren

Verlag: Springer Fachmedien Wiesbaden

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Zusammenfassung

Die instationäre und dreidimensionale Strömung durch die Verdichterbeschaufelung ist bei der Auslegung der Kanalgeometrie zu berücksichtigen. Die Auslegung der Beschaufelung mit großem Streckungsverhältnis legt zwar die Trennung in die Beschreibung der Kanalströmung als Kaskade und als Meridianströmung nahe, wie von Wu [1] eingeführt wurde. Mit geringeren Streckungsverhältnissen ist die dreidimensionale Wechselwirkung bei dieser getrennten Behandlung jedoch immer schlechter beschreibbar. Bei hohen Belastungen der Profile können die Eckenwirbel aufgrund des umfangsmäßigen Druckgradienten zwei Drittel der Kanalhöhe umfassen, so dass die Blockage und die Verluste stark ansteigen.

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Vorheriges Kapitel Erweiterung des Betriebsbereiches durch Stabilisierungsmaßnahmen
Nächstes Kapitel Erweiterung des Betriebsbereiches durch aktive Stabilisierungsmaßnahmen
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Metadaten
Titel
Stabilisierung durch Wandkonturierung, „Endwall treatment“
verfasst von
Franz Joos
Copyright-Jahr
2020
Buch
Aerodynamik axialer Turbokompressoren

Print ISBN: 978-3-658-28936-2

Electronic ISBN: 978-3-658-28937-9

Copyright-Jahr: 2020

DOI
https://doi.org/10.1007/978-3-658-28937-9_8

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