Vol 21 No 2

RESEARCH PAPERS

• Study on the Spatial Distribution of Natural Fragments Based on Fractal Model of Fragment Mass Distribution

  Xian Xu Huo1), Wei Bing Li1), Jian Jun Zhu2)

  Affiliations:
  1) Nanjing University of Science and Technology, China
  2) China Helicopter Research and Development Institute, China
  Keywords: fragment spatial distribution, Shapiro equation, fractal model of fragment mass distribution, anti-personnel warhead, numerical simulation
  DOI: 10.22211/cejem/186614

  Received: February 15, 2023; Revised: March 28, 2024;  First published online: June 28, 2024
  Article (PDF, 2.2 MB)

• Study of the Progress of Reaction in the Preparation of tetra-Functional GAP using FTIR Spectroscopy

  Prasanta Kumar Adak1), Ashish Kumar Meena1), Mrinal Ghosh1), Vikas Sutar1), Mukesh Jain1), Shaibal Banerjee2)

  Affiliations:
  1) High Energy Materials Research Laboratory, Sutarwadi, Pune-411 021, India
  2) Defence Institute of Advanced Technology, Girinagar, Pune-411 025, India
  Keywords: energetic binder, FTIR, reaction kinetics, reaction profiling, t-GAP
  DOI: 10.22211/cejem/190415

  Received: October 15, 2023; Revised: June 24, 2024;  First published online: June 28, 2024
  Article (PDF, 0.9 MB)

• Ideal Specific Impulse of Solid Rocket Propellants Based on AP/GAP/closo-Dodecaborate ([B12H12]2‒) Salts

  Muddamarri Hanumantha Rao1), Dilip M. Badgujar2)

  Affiliations:
  1) Advanced Centre of Research in High Energy Materials (ACRHEM), DRDO Centre of Excellence, University of Hyderabad, Hyderabad-500 046, India
  2) High Energy Materials Research Laboratory (HEMRL), Defence Research & Development Organization, Sutarwadi, Pune-411 021, India
  Keywords: closo-dodecaborate salt, 3,3′-(but-2-yne-1,4-diyl)bis(1-methyl-1H-imidazol-3-ium)dodecaborate, bis(triethylammonium)dodecaborate, bisbutylmethylimidazolium)dodecaborate, EXPLO5, GAP binder, specific impulse
  DOI: 10.22211/cejem/190419

  Received: March 14, 2024; Revised: June 24, 2024;  First published online: June 28, 2024
  Article (PDF, 0.8 MB)

  Supporting Information

  File CEJEM-1324-SI-v0-Rao-BAM-H2 6.txt (13 kB)

• Verification of Impact Energy Delivered by a Drop Weight

  Martin Künzel, Jindrich Kucera, Jakub Smid, Jan Horkel

  Affiliation:
  OZM Research, Bliznovice 32, Hrochuv Tynec, Czech Republic
  Keywords: impact sensitivity, drop-weight, BAM Fall Hammer, photonic Doppler velocimetry
  DOI: 10.22211/cejem/190439

  Received: December 23, 2023; Revised: June 25, 2024;  First published online: June 28, 2024
  Article (PDF, 2.2 MB)

• Explosively Formed Penetrators Inflight Heating Compared to Hemispherical Copper Shaped Charge Jet

  Sherif M. Abdelkhalek1), Mahmoud Abdelhafiz2), Shukri Ismael2), Sherif Elbasuney2), Tamer Elshenawy3)

  Affiliations:
  1) Engineering and Technology Research Center, Military Technical College, Cairo, Egypt
  2) School of Chemical Engineering, Military Technical College, Cairo, Egypt
  3) Technical Research Centre, Cairo, Egypt
  Keywords: hollow charge, explosively formed penetrators, jet temperature, penetration, copper liner
  DOI: 10.22211/cejem/190549

  Received: April 13, 2022; Revised: June  27, 2024;  First published online: June 28, 2024
  Article (PDF, 2.4 MB)

• Oxidant-Accelerated Polymerization of Dopamine for Coating DNAN with Enhanced Toughness

  Jinshan Li, Chun Xiao, Guoqiang Liu, Shuyi Duan, Baohui Zheng, Qing Zhu

  Affiliation:
  Institute of Chemical Materials, China Academy of Engineering Physics, China
  Keywords: insensitive munitions, 2,4-dinitroanisole, DNAN, polydopamine, toughness fracture, mechanical properties
  DOI: 10.22211/cejem/190547

  Received: October 7, 2023; Revised: June  27, 2024;  First published online: June 28, 2024
  Article (PDF, 2.2 MB)