Raffaele Spinelli 
,
Natascia Magagnotti,
Giuseppe Paletto,
Christian Preti
Determining the impact of some wood characteristics on the performance of a mobile chipper
Spinelli R., Magagnotti N., Paletto G., Preti C. (2011). Determining the impact of some wood characteristics on the performance of a mobile chipper. Silva Fennica vol. 45 no. 1 article id 33. https://doi.org/10.14214/sf.33
Abstract
A study was conducted to determine the effect of some wood characteristics such as species, moisture content and tree part on the performance and product quality offered by a mobile industrial chipper, of the type commonly used for roadside chipping. Two main species, two tree parts and two moisture content levels were combined in a factorial design yielding 8 treatments, each replicated 5 or 6 times. A flow meter was installed on the chipper engine, and all chips produced were weighed and sampled for moisture content and particle size distribution. The results indicated that some wood characteristics such as species and moisture content have a secondary effect on chipper productivity and fuel consumption, which are primarily controlled by piece size. In particular, fuel consumption per unit dry mass seem to be rather constant and in the range of 3.2 l per oven dry ton. Moisture content and tree part may have a significant effect on the particle size distribution of chips. Of course, these results were only verified for the species used in the test and for industrial chippers, and may change if substantially different species or machines are used.
Keywords
chipping;
productivity;
biomass;
fuel consumption
-
Spinelli,
CNR IVALSA, Via Madonna del Piano 10, Sesto Fiorentino (FI), Italy
E-mail
spinelli@ivalsa.cnr.it
- Magagnotti, CNR IVALSA, Via Biasi 75, S. Michele all’Adige (TN), Italy E-mail nm@nn.it
- Paletto, CNR IMAMOTER, Strada delle Cacce 73, Torino, Italy E-mail gp@nn.it
- Preti, CNR IMAMOTER, Strada delle Cacce 73, Torino, Italy E-mail cp@nn.it
Received 19 November 2010 Accepted 28 March 2011 Published 31 December 2011
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