Single-Particle Ignition Mechanism of Polyurethane Acoustic Foam by Fountain-Type Pyrotechnic Device: An Experimental Study. - Prodan, Maria; Ghicioi, Emilian; Gaman, George Artur; Pupazan, Daniel; Suvar, Marius Cornel; Vlasin, Nicolae; Manea, Florin; Nalboc, Irina; Szollosi-Mota, Andrei; Florea, Gheorghe Daniel; Laszlo, Robert (Fire (2571-6255), 2026)