Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher
Multiphysics problems represent an open issue in numerical modeling. Electromagnetic launchers represent typical examples that require a strongly coupled magnetoquasistatic and mechanical approach. This is mainly due to the high velocities which make comparable the electrical and the mechanical resp...
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MDPI AG
2020-08-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/10/17/5903 |
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| author | Valentina Consolo Antonino Musolino Rocco Rizzo Luca Sani |
| author_facet | Valentina Consolo Antonino Musolino Rocco Rizzo Luca Sani |
| author_sort | Valentina Consolo |
| collection | DOAJ |
| description | Multiphysics problems represent an open issue in numerical modeling. Electromagnetic launchers represent typical examples that require a strongly coupled magnetoquasistatic and mechanical approach. This is mainly due to the high velocities which make comparable the electrical and the mechanical response times. The analysis of interacting devices (e.g., a rail launcher and its feeding generator) adds further complexity, since in this context the substitution of one device with an electric circuit does not guarantee the accuracy of the analysis. A simultaneous full 3D electromechanical analysis of the interacting devices is often required. In this paper a numerical 3D analysis of a full launch system, composed by an air-core compulsator which feeds an electromagnetic rail launcher, is presented. The analysis has been performed by using a dedicated, in-house developed research code, named “EN4EM” (Equivalent Network for Electromagnetic Modeling). This code is able to take into account all the relevant electromechanical quantities and phenomena (i.e., eddy currents, velocity skin effect, sliding contacts) in both the devices. A weakly coupled analysis, based on the use of a zero-dimensional model of the launcher (i.e., a single loop electrical equivalent circuit), has been also performed. Its results, compared with those by the simultaneous 3D analysis of interacting devices, show an over-estimate of about 10–15% of the muzzle speed of the armature. |
| first_indexed | 2024-03-10T16:48:55Z |
| format | Article |
| id | doaj.art-89890b08ed0242cb8a896a41572b709e |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T16:48:55Z |
| publishDate | 2020-08-01 |
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| spelling | doaj.art-89890b08ed0242cb8a896a41572b709e2023-11-20T11:24:03ZengMDPI AGApplied Sciences2076-34172020-08-011017590310.3390/app10175903Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail LauncherValentina Consolo0Antonino Musolino1Rocco Rizzo2Luca Sani3Department of Engineering for Energy System, Territory and Construction (DESTEC), University of Pisa, Largo L. Lazzarino 1, 56122 Pisa, ItalyDepartment of Engineering for Energy System, Territory and Construction (DESTEC), University of Pisa, Largo L. Lazzarino 1, 56122 Pisa, ItalyDepartment of Engineering for Energy System, Territory and Construction (DESTEC), University of Pisa, Largo L. Lazzarino 1, 56122 Pisa, ItalyDepartment of Engineering for Energy System, Territory and Construction (DESTEC), University of Pisa, Largo L. Lazzarino 1, 56122 Pisa, ItalyMultiphysics problems represent an open issue in numerical modeling. Electromagnetic launchers represent typical examples that require a strongly coupled magnetoquasistatic and mechanical approach. This is mainly due to the high velocities which make comparable the electrical and the mechanical response times. The analysis of interacting devices (e.g., a rail launcher and its feeding generator) adds further complexity, since in this context the substitution of one device with an electric circuit does not guarantee the accuracy of the analysis. A simultaneous full 3D electromechanical analysis of the interacting devices is often required. In this paper a numerical 3D analysis of a full launch system, composed by an air-core compulsator which feeds an electromagnetic rail launcher, is presented. The analysis has been performed by using a dedicated, in-house developed research code, named “EN4EM” (Equivalent Network for Electromagnetic Modeling). This code is able to take into account all the relevant electromechanical quantities and phenomena (i.e., eddy currents, velocity skin effect, sliding contacts) in both the devices. A weakly coupled analysis, based on the use of a zero-dimensional model of the launcher (i.e., a single loop electrical equivalent circuit), has been also performed. Its results, compared with those by the simultaneous 3D analysis of interacting devices, show an over-estimate of about 10–15% of the muzzle speed of the armature.https://www.mdpi.com/2076-3417/10/17/5903air-core pulsed alternatorelectromagnetic rail launchercoupled analysiscomputational electromagneticsintegral formulations |
| spellingShingle | Valentina Consolo Antonino Musolino Rocco Rizzo Luca Sani Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher Applied Sciences air-core pulsed alternator electromagnetic rail launcher coupled analysis computational electromagnetics integral formulations |
| title | Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher |
| title_full | Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher |
| title_fullStr | Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher |
| title_full_unstemmed | Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher |
| title_short | Numerical 3D Simulation of a Full System Air Core Compulsator-Electromagnetic Rail Launcher |
| title_sort | numerical 3d simulation of a full system air core compulsator electromagnetic rail launcher |
| topic | air-core pulsed alternator electromagnetic rail launcher coupled analysis computational electromagnetics integral formulations |
| url | https://www.mdpi.com/2076-3417/10/17/5903 |
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