한국가구학회지 (Journal of the Korea Furniture Society)

한국가구학회 (Korea Furniture Society)
권호 표지

메타세콰이어, 카담, 물푸레나무 세포내강의 액체이동

Capillary Flow in Different Cells of Metasequoia glyptostroboides, Anthocephalus cadamba, and Fraxinus rhynchophylla

  • 전수경 (강원대학교 산림바이오소재공학과)
  • Chun, Su Kyoung (Department of Forest Biomaterials Engineering, Kangwon National University)
  • 투고 : 2017.12.02
  • 심사 : 2018.01.12
  • 발행 : 2018.01.25
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초록

A study was carried out to observe the 1% aqueous safranine solution flow speed in longitudinal and radial directions of softwood Metasequoia glyptostroboides, diffuse-porous wood Anthocephalus cadamba and ring-porouswood Fraxinus rhynchophylla. In radial direction, ray cells and in longitudinal direction, tracheids, vessel and wood fiber were considered for the measurement of liquid penetration speed at less than 12% moisture contents (MC). The length, lumen diameter, pit diameter, end wall pit diameter and the numbers of end wall pits determined for the flow rate. The liquid flow in the those cells was captured via video and the capillary flow rate in the ones were measured. Vessel in hardwood species and tracheids in softwood was found to facilitate prime role in longitudinal penetration. Anatomical features like the length and diameter, end-wall pit numbers of ray parenchyma were found also responsible fluid flow differences. On the other hand, vessel and fiber structure affected the longitudinal flow of liquids. Therefore, the average liquid penetration depth in longitudinal tracheids of Metasequoia glyptostroboides was found the highest among all cells considered in Anthocephalus cadamba and Fraxinus rhynchophylla In radial direction, ray parenchyma of Metasequoia glyptostroboides was found the highest depth and the one of Fraxinus rhynchophylla was the lowest. The solution was penetrated lowest depth in the wood fiber of Fraxinus rhynchophylla. The large vessel of Fraxinus rhynchophylla was found the lowest depth among the vessels. The solutin was penetrated to the wood fiber of Anthocephalus cadamba higher than the one of Fraxinus rhynchophylla.

키워드

참고문헌

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