NDLI: Triaxial Acceleration Measurement for Oblique Penetration of a Rigid Projectile into Concrete Target

Content Provider	IEEE Xplore Digital Library
Author	Jinbiao Fan Jing Zu Yan Wang Xu Peng
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. Eng., North Univ. of China, Taiyuan (Jinbiao Fan; Jing Zu; Yan Wang; Xu Peng)
Abstract	In order to obtain accurate data of motion parameters of a rigid projectile during the oblique penetration event, a triaxial acceleration measurement device (TAMD) was developed and a unique calibration method was developed by using a pneumatic gun and two sets of grating laser Doppler interferometers. A set of penetration experiments into concrete targets with average compressive strengths of 35 and 45 MPa were conducted. The 96-mm-diameter, 630-mm-long, ogive-nose projectiles were machined from 35CrMnSiA steel and designed to contain a TAMD in the tail of the cavity. The projectiles were launched by a 100-mm-diameter, smooth-bore powder gun to striking velocities between 300 and 500 m/s and impacted the concrete target at an oblique angle of 0 to 30 degrees. The acceleration during the launch and the triaxial deceleration during the penetration were recorded successfully by the TAMD. When the oblique angle changed slightly with time, the single and double integrations of axial deceleration versus time revealed accurate concurrence with the measured striking velocity and the penetration depth, respectively.
Starting Page	196
Ending Page	199
File Size	2486329
Page Count	4
File Format	PDF
ISBN	9781424415403
ISSN	10915281
DOI	10.1109/IMTC.2008.4547030
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Accelerometers Projectiles Concrete Calibration Gratings Interferometers Steel Tail Powders Acceleration concrete target Triaxial acceleration measurement TAMD calibration Oblique penetration
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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