Temporally and Spatially Resolved Reflected Overpressure Measurements in the Extreme Near Field

The design of blast-resistant structures and protective systems requires a firm understanding of the loadings imparted to structures by blast waves. While empirical methods can reliably predict these loadings in the far field, there is currently a lack of understanding on the pressures experienced i...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2023-01, Vol.23 (2), p.964
Main Authors: Barr, Andrew D, Rigby, Sam E, Clarke, Sam D, Farrimond, Dain, Tyas, Andy
Format: Article
Language:English
Subjects:
Blast loads
Blast resistance
blast waves
dispersion
Explosions
explosives
Far fields
Hopkinson pressure bar
Maraging steels
near field
Near fields
Numerical prediction
Overpressure
Pressure
pressure measurement
Propagation
Protective structures
Spatial resolution
Split Hopkinson pressure bars
Steel
Strain gauges
Stress waves
Wave dispersion
Yield stress
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Summary:The design of blast-resistant structures and protective systems requires a firm understanding of the loadings imparted to structures by blast waves. While empirical methods can reliably predict these loadings in the far field, there is currently a lack of understanding on the pressures experienced in the very near field, where physics-based numerical modelling and semi-empirical fast-running engineering model predictions can vary by an order of magnitude. In this paper, we present the design of an experimental facility capable of providing definitive spatially and temporally resolved reflected pressure data in the extreme near field (Z
ISSN:1424-8220
1424-8220
DOI:10.3390/s23020964