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The Pressure Oscillation Demonstrator (POD-Y) used to simulate the instability of combustion inside a solid rocket motor, P120C, was fired on 4 March 2015, at the French military procurement agency test site in Saint Jean d’Illac, France.
Pressure oscillations that occur when a solid rocket motor is ignited could be reduced by a new propellant formula and monolithic (smooth internal) design.
The test lasted 22 seconds at a maximum pressure of 110 bars. It will enable experts to check modelled data against observed results from 38 sensors lining the inside of this reusable demonstrator.