Publication Abstracts

Chitre and Gokhale 1973

Chitre, S.M., and M.H. Gokhale, 1973: Convective instability in a compressible atmosphere. Sol. Phys., 30, 309-318, doi:10.1007/BF00152662.

The degree of convective instability as expressed by the growth rate ω of linear modes is calculated for a plane parallel polytropic atmosphere in the presence of radiative damping, withing using Boussinesq approximation. A comparison with the results based on the Boussinesq approximation reveals that the use of the Boussinesq approximation leads to and overestimation of the radiative damping. The computaton of ω as a function of the wave number yields a wavelength of maximal instability under a variety of conditions. For reasonable choices of physical parameters appropriate to the solar atmosphere, the fastest growing wavelengths turn out to be in the range 600-1200 km, and their e-folding times are in the range 200-2000 s.

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BibTeX Citation

  author={Chitre, S. M. and Gokhale, M. H.},
  title={Convective instability in a compressible atmosphere},
  journal={Solar Physics},

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RIS Citation

ID  - ch00200p
AU  - Chitre, S. M.
AU  - Gokhale, M. H.
PY  - 1973
TI  - Convective instability in a compressible atmosphere
JA  - Sol. Phys.
JO  - Solar Physics
VL  - 30
SP  - 309
EP  - 318
DO  - 10.1007/BF00152662
ER  -

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