Accession Number:

ADA576397

Title:

Detonation Velocity Measurements from a Digital High-speed Rotating-mirror Framing Camera

Descriptive Note:

Final rept. Jun-Aug 2012

Corporate Author:

ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE

Personal Author(s):

• Biss, Matthew M.
• Spangler, Kimberly Y.

Report Date:

2012-09-01

Pagination or Media Count:

18.0

Abstract:

Rate-stick experiments were performed and digital high-speed framing-camera images were captured to determine energetic material detonation wave velocities. Rate-stick experiments consisting of 20-mm-diameter pressed pellets having a length-to-diameter LD ratio of 1, with the total charge having a LD of 10, were conducted. Digital high-speed images were recorded at rates upwards of 2.5 million framess using a Cordin model 570 rotating-mirror framing camera. Individual images were analyzed to determine the pixel position at which the reaction products break out from the energetic material-air interface. Position-time records were constructed and best-fit lines applied to the data to determine detonation velocities. The results of three different energetic materials are presented. Detonation velocities were found to be in good agreement with piezo-pin velocity measurements concurrently taken.

Descriptors:

• *HIGH SPEED CAMERAS
• *ROTATING MIRROR CAMERAS
• DETONATION WAVES
• DETONATIONS
• DIAMETERS
• DIGITAL IMAGES
• DIGITAL SYSTEMS
• FRAMES
• IONIZATION
• LENGTH
• MEASUREMENT
• PIEZOELECTRICITY

Subject Categories:

• Photography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE