A general method for the linear stability analysis of stratified shear flows | Zendy

Mobbs S. D. | Zendy; Darby M. S. | Zendy

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A general method for the linear stability analysis of stratified shear flows

Author(s) -

Mobbs S. D.,

Darby M. S.

Publication year - 1989

Publication title -

quarterly journal of the royal meteorological society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.744

H-Index - 143

eISSN - 1477-870X

pISSN - 0035-9009

DOI - 10.1002/qj.49711548808

Subject(s) - radiosonde , stability (learning theory) , instability , geology , stratified flow , meteorology , shear flow , stratified flows , flow (mathematics) , mathematics , computer science , mechanics , geometry , physics , turbulence , machine learning

A general method for testing the stability of a stratified, parallel shear flow is presented. The technique allows the routine determination of unstable modes from any high resolution radiosonde data and is a development of the procedure described by Lalas and Einaudi. Stability analyses of several idealized velocity profiles have been performed in order to validate the method. A particularly important feature is the ability to predict marginally unstable modes with more than one critical level; several examples are presented. An example using real radiosonde data is given.

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