Calibration of a magnetic induction system for measurement of hypervelocities
Abstract
A device to measure the velocity and to determine the character of a material launched in a flight tube during the execution of an experiment has been constructed. This measurement device provides a self generating signal, is nonintrusive, compact, and accurate. The signals are reproducible, and it is relatively inexpensive to procure. The MAgnetic Velocity Induction System (MAVIS) has been the technique used to measure projectile velocities in the two-stage light gas gun at Sandia for many years. Several experiments were conducted to study the MAVIS data signatures produced by various metal projectiles at velocities raging from 0.8 km/sec to nearly 7.0 km/sec, as well as fragmented metal projectiles, and a highly conductive carbon plasma. This report deals with the results of those calibration experiments. The data signature study may be used as an aid in the interpretation of the other test data records.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- March 1993
- Bibcode:
- 1993STIN...9414578B
- Keywords:
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- Calibrating;
- Hypervelocity Projectiles;
- Light Gas Guns;
- Magnetic Induction;
- Magnets;
- Velocity Measurement;
- Low Cost;
- Plasmas (Physics);
- Instrumentation and Photography