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Title: Embedded fiber Bragg grating pressure measurement during thermal ignition of a high explosive

A high-speed fiber Bragg grating based pressure-only measurement is reported for the high explosive PBXN-9 under thermal initiation conditions. During exothermic thermal runaway, an explosion rise time of 500 μs reaching a peak pressure of 660 MPa is measured. Lastly, the approach offers a direct measure pressure diagnostic useful for quantifying reaction violence for high explosive chemistry.
Authors:
 [1] ;  [1] ;  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Report Number(s):
LA-UR-16-25356
Journal ID: ISSN 0003-6951; APPLAB
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 109; Journal Issue: 16; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
OSTI Identifier:
1331288
Alternate Identifier(s):
OSTI ID: 1329442

Rodriguez, George, Smilowitz, Laura Beth, and Henson, Bryan Fayne. Embedded fiber Bragg grating pressure measurement during thermal ignition of a high explosive. United States: N. p., Web. doi:10.1063/1.4965842.
Rodriguez, George, Smilowitz, Laura Beth, & Henson, Bryan Fayne. Embedded fiber Bragg grating pressure measurement during thermal ignition of a high explosive. United States. doi:10.1063/1.4965842.
Rodriguez, George, Smilowitz, Laura Beth, and Henson, Bryan Fayne. 2016. "Embedded fiber Bragg grating pressure measurement during thermal ignition of a high explosive". United States. doi:10.1063/1.4965842. https://www.osti.gov/servlets/purl/1331288.
@article{osti_1331288,
title = {Embedded fiber Bragg grating pressure measurement during thermal ignition of a high explosive},
author = {Rodriguez, George and Smilowitz, Laura Beth and Henson, Bryan Fayne},
abstractNote = {A high-speed fiber Bragg grating based pressure-only measurement is reported for the high explosive PBXN-9 under thermal initiation conditions. During exothermic thermal runaway, an explosion rise time of 500 μs reaching a peak pressure of 660 MPa is measured. Lastly, the approach offers a direct measure pressure diagnostic useful for quantifying reaction violence for high explosive chemistry.},
doi = {10.1063/1.4965842},
journal = {Applied Physics Letters},
number = 16,
volume = 109,
place = {United States},
year = {2016},
month = {10}
}

Works referenced in this record:

Coherent pulse interrogation system for fiber Bragg grating sensing of strain and pressure in dynamic extremes of materials
journal, January 2015
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