TY  - CONF
A1  - Gerbeit, Marco
T1  - An apparatus for generating reproducible and scalable shock waves in the free field
N2  - A simple test bench was set up on the BAM test site to
investigate shock waves caused by gas detonations. The aim was to build
a simple mobile test bench that can be used for various applications, to
demonstrate the vaildity and for comparison with other test benches. For
this purpose a balloon filled with acetylene and oxygen at atmospheric
pressure with an electric ignitor was used. The characteristics of the
shock waves can be scaled via the gaseous mixture, the filling quantity
of the balloon and the distance to the sensors. Pressure sensors were
set up around the balloon at various distances to measure the shock.
With the help of the high-speed recordings and the Rankine Hugoniot
equations, the shock front pressure was estimated and compared with
the results of the pressure sensors. In order to validate the results of
this test bench, they were compared with an experiment using plastic
explosive no. 4 . These agreed well with the results. Overall, symmetrical
undisturbed scalable shock waves can be generated with the setup. Only
the reproducibility, which is comparatively poor to open shock tubes due
to the influence of wind, had to be improved.
T2  - 35th International Symposium on Shock Waves (ISSW35)
CY  - Brisbane, Australia
DA  - 07.07.2025
KW  - Shock waves
KW  - BOS
KW  - Gas detonation
PY  - 2025
AN  - OPUS4-63786
LA  - eng
AD  - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany
ER  -