Instabilities of Taylor columns in a rotating stratified fluid Export

@article{hollerbach09, abstract = {We numerically solve for the flow in a differentially rotating spherical shell, with a stable stratification imposed along the rotation axis. The axisymmetric basic state evolves from a Stewartson layer in the unstratified limit to a Taylor column in the strongly stratified limit. For the Taylor columns, we next compute the linear onset of non-axisymmetric instabilities, and show that small (0.1) and large (10) Prandtl numbers yield very different results. For Pr =10 , positive and negative differential rotations also yield fundamentally different instabilities.}, author = {Hollerbach, Rainer}, citeulike-article-id = {5997620}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.physleta.2009.08.026}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0375960109010196}, day = {05}, doi = {10.1016/j.physleta.2009.08.026}, issn = {03759601}, journal = {Physics Letters A}, keywords = {fluids, instabilities, rotation, stratification}, month = {October}, number = {41}, pages = {3775--3778}, posted-at = {2009-10-23 13:09:04}, priority = {2}, title = {Instabilities of Taylor columns in a rotating stratified fluid}, url = {http://dx.doi.org/10.1016/j.physleta.2009.08.026}, volume = {373}, year = {2009} }

TY - JOUR ID - hollerbach09 L3 - citeulike-article-id:5997620 N2 - We numerically solve for the flow in a differentially rotating spherical shell, with a stable stratification imposed along the rotation axis. The axisymmetric basic state evolves from a Stewartson layer in the unstratified limit to a Taylor column in the strongly stratified limit. For the Taylor columns, we next compute the linear onset of non-axisymmetric instabilities, and show that small (0.1) and large (10) Prandtl numbers yield very different results. For Pr =10 , positive and negative differential rotations also yield fundamentally different instabilities. IS - 41 JF - Physics Letters A SN - 03759601 EP - 3778 TI - Instabilities of Taylor columns in a rotating stratified fluid VL - 373 SP - 3775 KW - fluids KW - instabilities KW - rotation KW - stratification AU - Hollerbach, Rainer PY - 2009/10/05/ UR - http://dx.doi.org/10.1016/j.physleta.2009.08.026 ER -