Development of a Wood Recovery Estimation Model for the Tree Conversion Processes of Larix kaempferi
2013
Kwon, K.B., Seoul National University, Seoul, Republic of Korea | Han, H., Seoul National University, Seoul, Republic of Korea | Seol, A.R., Seoul National University, Seoul, Republic of Korea | Chung, H.J., Seoul National University, Seoul, Republic of Korea | Chung, J.S., Seoul National University, Seoul, Republic of Korea
This study was conducted to develop a simulation model for estimating the amount of such products as round wood, dimension lumber and the residual wood biomass produced by processing the individual trees of Larix kaempferi. In the model, the stem volume is assessed using the taper equations of the species to estimate the stem forms. Then, the model simulates the conversion processes of logs to round wood or lumber and assesses the maximum amount of the wood products by the lumber dimensions or round wood size. Also the model provides information on the amount of residuals for kerf and slabs produced on the conversion processes for sawn timber or round wood. According to the results of an application of the model to a L. kaempferi process, the trees greater than 12 cm of DBH can be converted to logs for lumber or round wood production. For the trees, of which DBH is available for log conversion, the maximum amount of final products by dimensions were analyzed. In this analysis, production of the bigger dimension lumber was assumed to be preferred to that of the smaller or round wood. This model can be used for assesment of forest economic value through estimation of merchantable volume for the trees, and assessment of mill residues which has the potential to provide significant amount of feedstock for bioenergy production as well.
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