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Information Journal Paper

Title

TRACKING AND SIMULATION OF DRY SHELL FORMATION IN A WOOD DRYING PROCESS BY X-RAY SPECTROSCOPY

Pages

  1-11

Abstract

 In this research, DRY SHELL formation and receding of evaporation front through the thickness of beech and spruce boards were investigated during drying using X-RAY SPECTROSCOPY.Four surfaces of the boards were coated using epoxy resin to limit moisture flux through the board thickness. The boards were dried using a convectional drying method under the temperature of 60oC and relative humidity of 70%. The scanning process was conducted once in an hour during drying until the DRY SHELL reached the core layer of the boards.The results revealed that the DRY SHELL was formed faster in the beech board in comparison with the spruce one; however, it reached the core layer of the spruce board in a shorter time.In addition, the pattern of DRY SHELL formation was found to be different between the boards; a steady-state condition as a result of faster BULK FLOW of free water was observed during the early stage of drying of the spruce board.In general, it can be concluded that the controlling factor in the DRY SHELL development to the core layer is water vapor DIFFUSION COEFFICIENT of the boards rather than their permeability.

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    • Cite

    APA: Copy

    TARMIAN, ASGHAR, & FAEZIPOUR, MEHDI. (2011). TRACKING AND SIMULATION OF DRY SHELL FORMATION IN A WOOD DRYING PROCESS BY X-RAY SPECTROSCOPY. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, 1(2), 1-11. SID. https://sid.ir/paper/184305/en

    Vancouver: Copy

    TARMIAN ASGHAR, FAEZIPOUR MEHDI. TRACKING AND SIMULATION OF DRY SHELL FORMATION IN A WOOD DRYING PROCESS BY X-RAY SPECTROSCOPY. IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES[Internet]. 2011;1(2):1-11. Available from: https://sid.ir/paper/184305/en

    IEEE: Copy

    ASGHAR TARMIAN, and MEHDI FAEZIPOUR, “TRACKING AND SIMULATION OF DRY SHELL FORMATION IN A WOOD DRYING PROCESS BY X-RAY SPECTROSCOPY,” IRANIAN JOURNAL OF WOOD AND PAPER INDUSTRIES, vol. 1, no. 2, pp. 1–11, 2011, [Online]. Available: https://sid.ir/paper/184305/en

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