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CORDIS - Resultados de investigaciones de la UE
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Contenido archivado el 2024-04-15

HARVESTING FOREST BIOMASS FOR ENERGY

Objetivo

THE OBJECTIVE OF THIS PROJECT IS TO DEVELOP
(1) SYSTEMS FOR THE EFFICIENT AND ECONOMIC HARVESTING, PROCESSING, STORING AND TRANSPORTING OF WOOD FOR FUEL FROM EXISTING FORESTS AND
(2) A MACHINE FOR HARVESTING SHORT ROTATION COPPICE.
Coppice energy plantations are highly dependent on cost effective systems for harvesting and comminution of the crop. Studies indicate that harvesting and delivery costs can account for up to 70 per cent of the total delivered cost. Results of trials of equipment and systems for use in mechanised harvesting of coppice energy plantations are described, including the development of the Loughry Coppice Harvester to the advanced prototype stage. This machine has been subjected to a series of trials harvesting willow crops grown on a 2 year cutting cycle and data collected on its performance. A parallel series of trials examined the performance and costs of operation of equipment for extraction and comminution of wood for fuel from coppice crops. The performance of this equipment in terms of production and costs of harvesting, extraction, and comminution are reported.
1. EXISTING EQUIPMENT WILL BE USED IN A SERIES OF TRIALS OF DIFFERENT HARVESTING SYSTEMS TO HARVEST BOTH FUELWOOD ALONE AND IN CONJUNCTION WITH CONVENTIONAL FOREST PRODUCTS. PRODUCTION DATA (QUANTITIES AND COST) FROM THE TRIALS WILL BE GATHERED. IN ADDITION WHOLE TREE HARVESTING SYSTEMS WILL BE ASSESSED AND TESTED, STORAGE PROPERTIES OF WOOD FUEL INVESTIGATED AND TRANSPORTATION SYSTEMS EXAMINED. ALL THESE ASPECTS WILL BE SYNTHETISED AND RECOMMENDATIONS MADE FOR OPTIMUM FUELWOOD HARVESTING SYSTEMS.
THE PLANNING STAGE IS COMPLETE AND THE FIRST TRIALS WILL START EARLY IN 1987.

2. THE LOUGHRY COPPICE HARVESTER WILL BE DEVELOPED TO THE STAGE OF A PRECOMMERCIAL PROTOTYPE AND TESTED HARVESTING SHORT ROTATION WILLOW AND POPLAR COPPICE.
THE SECOND PROTOTYPE, DEVELOPED UNDER AN EARLIER CONTRACT, HAS BEEN TESTED AND ITS PERFORMANCE ASSESSED. THE ORIGINAL SMALL BUNDLE MACHINE NEEDED STRENGTHENING SUBSTANTIALLY AND WAS CONSIDERED TO HAVE LITTLE POTENTIAL SO A NEW DESIGN WAS PRODUCED. THIS MACHINE USES THE SAME OPERATING MECHANISMS BUT IS SEMI-TRAILED (BY A 100HP 2 WHEEL DRIVE AGRICULTURAL TRACTOR) AND PRODUCES 300 KG BUNDLES. THE COPPICE IS CUT WITH A SINGLE CIRCULAR SAW AND THE HEIGHT OF CUT CAN BE CONTROLLED.
THE NEW MACHINE IS ALMOST BUILT AND SHOULD BE READY FOR INITIAL TRIALS EARLY IN 1987.

Ámbito científico (EuroSciVoc)

CORDIS clasifica los proyectos con EuroSciVoc, una taxonomía plurilingüe de ámbitos científicos, mediante un proceso semiautomático basado en técnicas de procesamiento del lenguaje natural. Véas: El vocabulario científico europeo..

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Coordinador

University of Aberdeen
Aportación de la UE
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Dirección
Regent Walk
AB9 1FX Aberdeen
Reino Unido

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