부산대학교 도서관

In this study, in the combustion experiment of artificial turf applying the UL 94 combustion test method, the part that received the flame was rapidly burned, and black smoke was generated. When gasoline was sprayed, the carbonization range was wide, and the center was heavily carbonized and the donut pattern was confirmed. And the carbonization range of the thinner is wider than that of gasoline, and it is a circular pattern in which the center is heavily carbonized. The carbonization range of alcohol was formed narrower than that of gasoline and thinner, and a donut pattern was created. In addition, the narrowest range of carbonization of diesel was the center, resulting in holes, and carbides were attached to the carbonization boundary surface. As a result of measuring the temperature change according to combustion progress after spraying 100 mL of gasoline on the artificial turf, it reached about 558 °C when 25 seconds elapsed, and after 27 seconds, the flame was reactivated and rose to about 586 °C in 43 seconds. The thinner was measured to be about 256 °C when 50 seconds elapsed, the alcohol rose to about 513 °C in 46 seconds, and the diesel rose to about 341 °C when 121 seconds elapsed due to combustion activation from 54 seconds. Flammable liquid was sprayed on artificial turf, and the burned artificial turf was melted and recombined, and a black carbonized pattern was clearly created. In other words, it can be used as a basis for determining the extent to which the flammable material was sprayed and in which direction the flame grew through the analysis of the recombined range and carbonization pattern of the artificial turf.