Essays about: "defects in wood"

Showing result 1 - 5 of 16 essays containing the words defects in wood.

  1. 1. Heart- and Sapwood Segmentation on Hyperspectral Images using Deep Learning

    University essay from Linköpings universitet/Institutionen för systemteknik

    Author : Samuel Hallin; Simon Samnegård; [2023]
    Keywords : Computer Vision; Hyperspectral Imaging; Heartwood; Sapwood; Deep Learning; Segmentation; Dimensionality Reduction; PCA; PLS; SVM; U-NET; U-within-U-Net;

    Abstract : For manufacturers in the wood industry, an important way to make the production more effective is to automate the process of detecting defects and different attributes on boards. One important attribute on most boards is heartwood and sapwood. READ MORE

  3. 2. Experimental and computational analysis of the thermal degradation and the loss of strength of engineered wood-based panels

    University essay from Lunds universitet/Avdelningen för Brandteknik

    Author : Wickramasooriyage Devmini Kularatne; [2022]
    Keywords : Oriented strand board; thermal decomposition; mechanical degradation; heat transfer modelling; Technology and Engineering;

    Abstract : The current trends in the construction industry push toward materials that are more sustainable and environmentally friendlier than more traditional building materials such as concrete and steel. Timber and timber composites are one of the most popular materials on this list, due to both their mechanical strength and pleasant aesthetics. READ MORE

  4. 3. Gallring av skadade tallbestånd : skadornas inverka samt gallringens möjlighet att minska skadenivån

    University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)

    Author : Adam Pettersson; [2021]
    Keywords : älgbetesskador; skademinimering; timmerkvalitet; beståndsinventering;

    Abstract : Älgskador på tall orsakar ekonomiska problem i skogsbruket som tillväxtförluster och kvalitetsnedsättning på såväl rundvirke som sågad vara. Hur stor påverkan de kvalitetsnedsättande skadorna har för timret är dock inte klarlagt. READ MORE

  5. 4. Thermally modified hybrid aspen : adding value to fast growing broadleaved species in Northern Europe

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Joel Pihlak; [2021]
    Keywords : thermally modified wood; wood quality; short-rotation forestry; Hybrid aspen; European aspen; Populus tremula x tremuloides;

    Abstract : This thesis is focused on thermal modification of hybrid aspen (Populus tremula L. x Populus tremuloides Michx.), its mechanical properties, wood defects and potential use in construction. In the recent years, wood as a building material has become increasingly popular. READ MORE

  6. 5. Making material handling more efficient : reduction of non-value-adding activities at a wood products company

    University essay from SLU/Dept. of Forest Economics

    Author : Karin Gyllengahm; [2020]
    Keywords : ABC analysis; agility; business modelling; inventory; inventory layout; lean; material handling; operations management; order picking; value stream map; VSM; ABC analys; affärsmodellering; flexibilitet; lager; lagerstruktur; materialhantering; operativ ledningsteori; orderplockning; värdeflödesanalys;

    Abstract : The forest industry is one of the most important businesses in Sweden, accounting for 9-12 percent of the Swedish industry's total occupation, export, turnover, and added value. Although the investments made by the Swedish forest sector reached a new record during 2017, the industry stills struggle with low profitability. READ MORE