Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Combustion Properties of Major Wood Species Planted in Indonesia

인도네시아 주요 조림수종의 연소특성

  • Park, Se-Hwi (College of Forest & Environmental Sciences, Kangwon National University) ;
  • Jang, Jae-Hyuk (College of Forest & Environmental Sciences, Kangwon National University) ;
  • Hidayat, Wahyu (College of Forest & Environmental Sciences, Kangwon National University) ;
  • Qi, Yue (College of Forest & Environmental Sciences, Kangwon National University) ;
  • Febrianto, Fauzi (Faculty of Forestry, Bogor Agricultural University) ;
  • Kim, Nam-Hun (College of Forest & Environmental Sciences, Kangwon National University)
  • 박세휘 (강원대학교 산림환경과학대학) ;
  • 장재혁 (강원대학교 산림환경과학대학) ;
  • ;
  • ;
  • ;
  • 김남훈 (강원대학교 산림환경과학대학)
  • Received : 2015.07.06
  • Accepted : 2015.08.19
  • Published : 2015.11.25
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Abstract

This study was performed to understand combustion properties four major Indonesian wood species such as Albizia, Gmelina, Mangium and Mindi were investigated by cone-calorimeter for better utilization of theses wood species. Heat release rate (HRR), total heat release (TSR), specific mass loss rate (SMLR), effective heat of combustion (EHC), time to ignition (TTI), flame time (FT), specific extinction area (SEA), smoke production rate (SPR) and CO compound production rate were measured. HRR, THR and FT were proportional to the density of woods. Albizia showed the highest HRR, while Mindi had the lowest HRR. For SPR, Albizia showed the highest value due to its higher SEA. On the other hand, Mindi had the lowest SPR due to a lower SEA value. The highest smoke emission was for Albizia at the beginning of combustion. After 300 seconds, smoke emission of Gmleina and Mangium was increased greatly. Mangium and Mindi showed the highest total carbon dioxide emission. Expecially, Gmelina released the highest carbon monoxide during the combustion period and presented three times higher $CO/CO_2$ ratio than those of other species due to incomplete combustion.

본 연구에서는 인도네시아 조림지에서 생장한 4수종의 효율적 활용방안을 마련하기 위해 콘칼로리미터법에 의해 연소특성을 조사하였다. 그 결과, 평균열방출량($HRR_{mean}$)은 비중에 비례하였으며, 총열방출량(THR) 및 연소시간(FT) 등열관련 계수도 같은 경향을 나타냈다. Albizia는 열방출 시간이 짧았고, Mindi는 4수종 중 점화시간(TTI)과 연소시간(FT)이 길어져 4수종 중 연소속도가 늦었고, 열방출 시간도 가장 길게 이어져 결국은 Mangium 수종과 비슷한 총열방출률을 나타내는 것을 확인할 수 있었다. Albizia는 공시수종 중 가장 높은 비소화면적 값을 나타내어 연기발생비율이 높았고, 반대로 Mindi는 가장 낮은 비소화면적 값을 나타내 연기발생비율이 낮았다. 초기 연기방출률은 Albizia가 높았으나 이후에는 Gmelina와 Mangium 의 연기방출률이 높아져 총연기발생량이 높게 나타났다. Gmelina는 불완전연소로 인해 연소기간 중 가장 많은 일산화탄소 연기를 생성하였고, $CO/CO_2$ 비율은 다른 수종에 비해 3배 이상 높았다.

Keywords

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