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Evaluating Efficiency, Chip Quality and Harvesting Residues of a Chipping Operation with Flail and Chipper in Western Australia

Mohammad Reza Ghaffariyan,Mark Brown,Raffaele Spinelli-2013-01-01-Hrčak Portal of scientific journals of Croatia (University Computing Centre)
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TL;DRAbstract

NacrtakRoadside chipping is a common harvesting system in Australian plantations, which utilizes a mobile chipper stationed at the field edge to produce high-quality pulp chips for export.The studied harvesting system included a feller-buncher, two grapple skidders, a flail-debarker and a disc chipper.The study goals were to determine machine productivity, operation costs, fuel consumption, chip quality and measure the amount of slash left in the field after harvesting.The average productivity for feller buncher and skidder were about 97.26 GMt/PMH 0 and 60.22 GMt/PMH 0, respectively.The productivity of flail and chipper averaged at 57.80 GMt/ PMH 0 and 58.18 GMt/PMH 0 in this case study.The transportation productivity averaged about 57.34 GMt/PMH 0 .Time studies and regression analysis were used to model machine productivity.Tree size had significant impact on the feller-buncher productivity, while skidding distance was a significant variable affecting skidding productivity.Operation

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NacrtakRoadside chipping is a common harvesting system in Australian plantations, which utilizes a mobile chipper stationed at the field edge to produce high-quality pulp chips for export.The studied harvesting system included a feller-buncher, two grapple skidders, a flail-debarker and a disc chipper.The study goals were to determine machine productivity, operation costs, fuel consumption, chip quality and measure the amount of slash left in the field after harvesting.The average productivity for feller buncher and skidder were about 97.26 GMt/PMH 0 and 60.22 GMt/PMH 0, respectively.The productivity of flail and chipper averaged at 57.80 GMt/ PMH 0 and 58.18 GMt/PMH 0 in this case study.The transportation productivity averaged about 57.34 GMt/PMH 0 .Time studies and regression analysis were used to model machine productivity.Tree size had significant impact on the feller-buncher productivity, while skidding distance was a significant variable affecting skidding productivity.Operation

Keywords

ProductivityLoggingEnvironmental scienceSlash (logging)Agricultural engineeringPulp and paper industryForestryEngineering

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