| Description | Railguns involve the acceleration of a projectile by passing a high electric current across the armature carrying the projectile. Projectile speeds above 2,000 m/s can be achieved in railguns. While the basic physics is simple, as the armature/projectile moves at high speeds, the electric current density becomes very high leading to the melting of the armature material and even electric arc formation. In this project, we would like to examine the effect of armature speed on the electric current density and magnetic field using simulations (COMSOL/ANSYS). |
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| Number of students | 2 |
| Year of study | Students in their 2nd year (Semester 3), Students in their 3rd year (Semester 5), Students in their 4th/5th year (Semester 7/9) |
| CPI | 8 and above |
| Prerequisites | Knowledge of basic electrodynamics and numerical analysis |
| Duration | 6 months |
| Learning outcome | Using simulation tools to analyse practical problems |
| Weekly time commitment | 3-6 hours |
| General expectations | - |
| Assignment |
See the Wikipedia article on railguns: https://en.wikipedia.org/wiki/Railgun This article gives a sufficient overview of the problem. Some of the references at the end of that article can also be checked, e.g., https://www.youtube.com/watch?v=uuSMwRpLTCY |
| Instructions for assignment | Go through the material linked above and revise basic electrodynamics and numerical analysis |
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