Augmented railgun using a permanent magnet

Journal Article · Tue Aug 01 00:00:00 EDT 1995 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.1145374· OSTI ID:165450

Katsuki, S; Akiyama, H; Eguchi, N; Sueda, T; Soejima, M; Maeda, S ^[1]; Sato, K N ^[2]

---

1. Department of Electrical Engineering and Computer Science, Kumamoto University, Kurokami 2-39-1, Kumamoto 860 (Japan)
2. National Institute for Fusion Science, Furo-cho, Chikusa-ku, Nagoya 464-01 (Japan)

The use of a permanent magnet instead of an electromagnet has been proposed for the augmentation of the magnetic field of a railgun driven by a current of approximately 20 kA. A permanent magnet has the following advantages in comparison with conventional augmentations using additional turns: (1) simple configuration of the system, (2) temporally and spatially constant magnetic fields, and (3) high efficiency. Here, the operation of a conventional railgun and that of an augmented railgun using a permanent magnet are compared experimentally, and the usefulness of the permanent magnet is described. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.

• OSTI ID: 165450
• Journal Information: Review of Scientific Instruments, Vol. 66, Issue 8; Other Information: PBD: Aug 1995
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION
RAILGUN ACCELERATORS
PERMANENT MAGNETS
THERMONUCLEAR REACTOR FUELING
PELLET INJECTION
MAGNETIC FIELD CONFIGURATIONS
PERFORMANCE