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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Garcia, F.J. Castellanos, A. |
| Copyright Year | 1999 |
| Description | Author affiliation: Dept. de Electron. y Electromagnetismo, Facultad de Fisica, Sevilla, Spain (Garcia, F.J.) |
| Abstract | In a previous paper [Phys. Fluids, vol. 6, 2676 (1994)], the authors derived four 1-D models (Lee, Cosserat, averaged, and parabolic models) for slender axisymmetric liquid jets from the Navier-Stokes equations. The error of these 1-D models was calculated for small perturbations, in the absence of electric field. Here, we extend the linear error analysis to both perfectly insulating liquid jets in a tangential electric field and perfectly conducting liquid jets in a radial electric field. The accuracy of these models for studying the breakup, when nonlinear effects are no longer negligible, is also tested in the absence of electric field. A comparison of numerical 3-D solutions with results from 1-D models is made. A formulation of the energy conservation in 1-D models allows identifying and correcting a numerical instability of the averaged model near the breakup. It also explains why the Cosserat model overestimates the breakup time for moderate or large viscosity. Good agreement between 1-D and 3-D numerical results is found. |
| Starting Page | 346 |
| Ending Page | 349 |
| File Size | 423363 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780354141 |
| DOI | 10.1109/CEIDP.1999.804659 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1999-10-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Navier-Stokes equations Viscosity Dielectric liquids Testing Surface tension Boundary conditions Electromagnetic analysis Electromagnetic modeling Error analysis Dielectrics and electrical insulation |
| Content Type | Text |
| Resource Type | Article |
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