This study was conducted to evaluate the properties of cement bonded particleboard made from rice husk and sawdust. Sawdust and rice husk fine boards were made using two ratios of cement and particles of 70:30 and 80:20, but rice husk coarse was made with a ratio of cement and particle of 80:20. The density of sawdust and rice husk fine boards in a ratio of cement and particles of 70:30 was 960...

Since the 1980s the municipality of Växjö in Southern Sweden has been increasingly focusing on using wood, primarily forest wood, to produce heat and electricity. A permanent and sustainable supply of forest wood (so-called forest fuel) is therefore indispensable for the future operation of the energy generation process. The objective of this project was to develop a model to estimate a sustain...

Apart from emissions and inefficiency, heat generation from wood stoves to the surroundings is another undesirable effect causing health repercussions especially in the small dwellings of tropical regions. The present research addresses this problem. Steady state temperature measurements on the surface of the improved wood burning stove is used to determine this loss in which chimney draft cont...

This paper presents the study of one optimization of the production planning model in the supply chain wood Industry: market, sawmill and harvest, multiperiod and a planning horizon of two years, which means of maximizing the profitability of a mix of wood products, incorporating an approach of game theory. This approach would incorporate the decisions of corporate governance the trade-off of t...

This paper concerns the problem of wood cellular structure image registration. Given the large variability of wood geometry and the important changes in the cellular organization due to moisture sorption, an affine-based image registration technique is not exhaustive to describe the overall hygro-mechanical behaviour of wood at micrometre scales. Additionally, free tools currently available for...

The surface roughness of Chinese fir and Eucalyptus wood samples were measured using the stylus profile method in order to investigate the correlation between near infrared (NIR) spectroscopy and surface roughness. The results showed that the NIR spectra absorption showed differences among samples from different surface roughnesses, and the absorption decreased with the increase of the surface ...

Bioenergy is booming as nations seek to cut their greenhouse gas emissions. The European Union declared biofuels to be carbon-neutral, triggering a surge in wood use. But do biofuels actually reduce emissions? A molecule of CO2 emitted today has the same impact on radiative forcing whether it came from coal or biomass. Biofuels can only reduce atmospheric CO2 over time through post-harvest incr...

The aim of the present study was to investigate the relationship between change in lung function and cumulative exposure to wood dust. In total, 1,112 woodworkers (927 males, 185 females) and 235 reference workers (104 males, 185 females) participated in a 6-yr longitudinal study. Forced expiratory volume in one second (FEV(1)), forced vital capacity (FVC), height and weight were measured, and ...

the growing interest in using natural fibers as reinforcing agents of polymer-based composites is mainly due to their advantages such as lower cost, lower density, ease of preparation, lower energy requirements for processing, biodegradability, wide availability and relative non-abrasiveness over traditional reinforcing fibers such as glass and carbon. in this study, wood-plastic composite (wpc...