Masoudi, AliLee, TimothyBeresna, MartynasCritchley, RichardBrambilla, GilbertoDenny, JackLopez-Amo Sainz, ManuelSantos, José LuísSun, Tong2025-06-232025-06-232025-05-25Masoudi A, Lee T, Beresna M, et al., (2025) Shock wave overpressure history mapping using high-resolution distributed acoustic sensing. In: Proceedings of the 29th International Conference on Optical Fiber Sensors, 25 - 30 May 2025, Porto, Portugal, Volume 13639, pp. 568-5680277-786Xhttps://doi.org/10.1117/12.3063011https://dspace.lib.cranfield.ac.uk/handle/1826/24072This study explored the use of high-resolution distributed acoustic sensing (HR-DAS) for measuring blast wave overpressures, addressing the limitations of conventional pressure transducers. Shock tube experiments were conducted to evaluate HR-DAS performance in capturing side-on blast overpressures, comparing its strain measurements with reference piezoelectric pressure transducers. The study examined the effects of sensing fibre orientation and mounting methods on sensor sensitivity. Results showed that HR-DAS strain histories aligned well with conventional pressure measurements. The findings demonstrate the feasibility of HR-DAS for blast wave sensing, highlighting its potential for further development and broader applications.pp. 568-568enAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/4006 Communications Engineering40 Engineering4009 Electronics, Sensors and Digital HardwareBioengineering4006 Communications engineering4009 Electronics, sensors and digital hardware5102 Atomic, molecular and optical physicsHigh-resolutionDASDistributed acoustic SensorShock waveBlast waveConference paper67361213639