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pure and applied geophysics

, Volume 126, Issue 1, pp 103–121 | Cite as

Instability of plane parallel shear flow (toward a mechanistic picture of how it works)

  • Richard S. Lindzen
Article

Abstract

This paper reviews work done over the last twelve years on wave overreflection in shear flows, and on the development of a mechanical picture of how overreflection and instability work. It is argued that the wave geometry of a flow configuration is the primary determinant of its stability. It is also argued that the primary mechanism for wave amplification is the Orr mechanism.

Key Words

instability overreflection Orr mechanism wave-mean flow interaction Orr-Sommerfeld problem shear instability 

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Copyright information

© Birkhäuser Verlag 1988

Authors and Affiliations

  • Richard S. Lindzen
    • 1
  1. 1.54-1416 Massachusetts Institute of TechnologyCenter for Meteorology and Physical OceanographyCambridgeUSA

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