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Damage caused to fibres by vapour cloud explosions
Jolanta Was-Gubała1, Wolf Krauss
1Institute of Forensic Research, Westerplatte 9, Cracow 31-033, Poland. jwas@ies.krakow.pl
Forensic Science International
|April 6, 2004
Summary
Investigating vapour cloud explosions reveals unique fibre damage. This research helps forensic investigators link clothing evidence to specific explosion events.
Area of Science:
- Forensic Science
- Materials Science
- Explosion Analysis
Background:
- Vapour cloud explosions (VCEs) pose significant forensic challenges.
- Understanding material damage is crucial for crime scene investigation.
- Specific fibre alterations from VCEs remain under-researched.
Purpose of the Study:
- To analyze the specific damage patterns on textile fibres resulting from VCEs.
- To determine if fibre morphology can serve as an indicator of VCE presence.
- To provide forensic investigators with data for linking clothing to explosion incidents.
Main Methods:
- Conducted VCE experiments using 41 diverse garments.
- Examined morphological changes in single textile fibres post-explosion.
- Documented characteristic end-fraying and shape alterations.
Main Results:
- Textile fibres exposed to VCEs exhibit distinct end-widening, forming bulbous or shovel-like shapes.
- The majority of the fibre's structure remains unaltered.
- Damage patterns are consistent across different fibre types and colours.
Conclusions:
- The observed fibre damage provides clear evidence of a VCE event.
- This research offers a potential method for forensic investigators to link clothing, and thus individuals, to explosion-related crimes.
- Further research can refine the use of fibre analysis in forensic investigations.