Smoldering Limit Observed in Low Pressure (IMAGE) Toyohashi University of Technology (TUT) Caption Effects on smoldering speed (propagation velocity) and extinction condition against the pressure at various adopted O2 conditions. Credit COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.