Rossby wave instability
id:
rossby-wave-instability-256-12028258
title:
Rossby wave instability
text:
Rossby Wave Instability (RWI) is a concept related to astrophysical accretion discs. In non-self-gravitating discs, for example around newly forming stars, the instability can be triggered by an axisymmetric bump, at some radius r 0 , in the disc surface mass-density. It gives rise to exponentially growing non-axisymmetric perturbation in the vicinity of r 0 consisting of anticyclonic vortices. These vortices are regions of high pressure and consequently act to trap dust particles which in turn
brand slug:
wiki
category slug:
encyclopedia
description:
Concept in astrophysics
original url:
https://en.wikipedia.org/wiki/Rossby_wave_instability
date created:
date modified:
2023-08-03T20:25:53Z
main entity:
{"identifier":"Q18391201","url":"https://www.wikidata.org/entity/Q18391201"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/b4/Rossby_wave_instability_in_a_Keplerian_Disk.png","width":500,"height":466}
fields total:
13
integrity:
15