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Combustion Characteristics of Pinus rigida Specimens Treated with Phosphorus-Nitrogen Additives
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  • Journal title : Fire Science and Engineering
  • Volume 29, Issue 6,  2015, pp.13-19
  • Publisher : Korea Institute of Fire Science and Engineering
  • DOI : 10.7731/KIFSE.2015.29.6.013
 Title & Authors
Combustion Characteristics of Pinus rigida Specimens Treated with Phosphorus-Nitrogen Additives
Chung, Yeong-Jin;
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This study was performed to test the combustive properties of Pinus rigida specimens treated with phosphorus (P) and nitrogen (N) additives. Each Pinus rigida specimen was painted three times with 15 wt% P-N additive solutions at room temperature. After drying the treated specimens, the combustion properties were examined using a cone calorimeter (ISO 5660-1). The time to ignition (TTI) for the treated specimens was 90 to 148 s except for the specimen treated with PP/, and the time to flameout (TF) was 556 to 633 s, which was longer than that of virgin plate. While the The specimens treated with P-N additives showed 12.5 to 43.4% higher mean heat release rate () and 11.8 to 43.1% higher total heat release (THR) than virgin plate. The effective heat of combustion (EHC) was by 2.9 to 17.5% lower than that of virgin plate. It can thus be concluded that the combustion-retardation properties were partially improved compared to those of virgin plate.
Phosphorus (P)-Nitrogen (N) Additive;Time to Ignition (TTI);Time to Flameout (Tf);Heat Release Rate ();Effective Heat of Combustion (EHC);
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