Measurement Techniques in a 30-MM Electrothermal-Chemical (ETC) Gun Facility
Abstract
Methods of acquiring data including pressures, load current and voltage, and "crow-bar" diode current and voltage with a minimum of electrical noise in electrothermal-chemical (ETC) ballistic and combustion experiments are described. Measurements are performed in a 30-mm ETC gun facility that is driven by a 130-kJ (maximum) pulsed-power supply and a 50-cm3 closed chamber facility using a 300-kJ power supply, both of which are located at the U.S. Army Research Laboratory (ARL), Aberdeen Proving Ground, MD. Strict attention is devoted to grounding measurement and data-recording devices, as well as to shielding measurement electronics, data lines, and high-power modulator components with "faraday" enclosures. The use of ferrite rings on data lines and 60-Hz power lines is frequent, and fiber-optical links are used for electrical isolation between data recording equipment and high-voltage components. The experimental arrangement and resulting data are presented, and comments and conclusions are included.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1993
- Accession Number
- ADA637631
Entities
People
- G. L. Katulka
- H. Burden
- K. White
- T. N. Khong
Organizations
- United States Army Research Laboratory