Academic literature on the topic 'Wood chipping'

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Journal articles on the topic "Wood chipping"

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D. B. Churchill, S. L. Hedden, J. D. Whitney, and L. N. Shaw. "Chipping Citrus Wood for Gasification." Applied Engineering in Agriculture 2, no. 2 (1986): 238–40. http://dx.doi.org/10.13031/2013.26748.

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Uhmeier, Andreas, and Kent Persson. "Numerical Analysis of Wood Chipping." Holzforschung 51, no. 1 (January 1997): 83–90. http://dx.doi.org/10.1515/hfsg.1997.51.1.83.

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Coatanlem, Pascale, Raoul Jauberthie, and Frank Rendell. "Lightweight wood chipping concrete durability." Construction and Building Materials 20, no. 9 (November 2006): 776–81. http://dx.doi.org/10.1016/j.conbuildmat.2005.01.057.

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Kováč, J., J. Krilek, and M. Mikleš. "Energy consumption of chipper coupled to a universal wheel skidder in the process of chipping wood." Journal of Forest Science 57, No. 1 (January 25, 2011): 34–40. http://dx.doi.org/10.17221/27/2010-jfs.

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The chipper for chips is an energy consuming machine. Many factors influence the result of chipping which influence the whole process. The paper deals with the process of wood chipping by a chipper in order to determine its energy consumption. The main purpose was the determination of input power and comparison of revolution frequency on the outlet shaft of a skidder regarding the dimension of the torque depending on variable parameters which characterize the process of wood chipping during the measurement and the analysis of energy consumption of a chipping machine was carried out.
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Conlin, Timothy S. S. "In-woods chipping: Possible evidence for allelochemical interaction of leachate generated from trembling aspen (Populus tremuloides Michx.) bark and wood waste." Forestry Chronicle 77, no. 2 (April 1, 2001): 345–49. http://dx.doi.org/10.5558/tfc77345-2.

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A portable delimber-debarker-chipper, designed for in-woods chipping operations, was used to produce waste bark and wood residue from winter-harvested tree-length trembling aspen logs. The residue was then utilized to create leachate, which was subsequently used to treat white spruce, lodgepole pine, paper birch, aspen and Calamagrostis canadensis seedlings grown in sand-filled pots. Treatment with the leachate significantly decreased height growth and shoot and root dry weights of all species relative to the control treatment. Root: shoot ratios of all tree species except lodgepole pine were
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Pichler, Philip, Martin Leitner, Florian Grün, and Christoph Guster. "Experimental determination of highly dynamic forces during wood trunk comminution with a drum chipper." Journal of Agricultural Engineering 49, no. 2 (January 11, 2018): 110–16. http://dx.doi.org/10.4081/jae.2018.786.

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Using large wood chips for heating systems in industrial applications is becoming popular. As a result, the requirements of the machinery that produces these large wood chips have increased, especially on the chipping tools and on the surrounding supportive components. This paper evaluates the acting main forces on a chipping drum that produces large wood chips via field and laboratory-based experimental measurements. In this study, a variety of strain gauges are applied to selected areas of the rotating chipping drum to measure localised strain conditions during wood-stem cutting. Four differ
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Grigorev, Igor, Anatoly Shadrin, Anna Voronova, Nikolay Kostyukevich, Dmitry Levushkin, Vyacheslav Borisov, and Roman Diev. "IMPROVING THE EFFICIENCY OF WOOD CHIPPING OPERATIONS." INMATEH Vol.61 61, no. 2 (August 31, 2020): 217–24. http://dx.doi.org/10.35633/inmateh-61-24.

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The paper presents a novel approach to the problem of utilizing wood chips as a valuable raw material. It shows how advances in machine vision can enable the conversion of wood chips from waste to a valuable resource. Empirical dependencies that are used to calculate the slip velocity of wood chips on the walls of the tank have been obtained. The problems of particle–fluid and particle–particle interactions within the flow are solved. Findings may be applied not only in countries with traditionally developed wood industries but also in many others.
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Cadei, Alberto, Luca Marchi, Omar Mologni, Raffaele Cavalli, and Stefano Grigolato. "Evaluation of Wood Chipping Efficiency through Long-Term Monitoring." Environmental Sciences Proceedings 3, no. 1 (November 13, 2020): 17. http://dx.doi.org/10.3390/iecf2020-08078.

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A high volume of wood forest biomass is be available at the roadside when whole three (WT) harvesting systems are applied. Besides, salvage logging operations are favourable conditions to accumulate a large amount of low-quality biomass due to the recovery of damaged trees. In mountain regions, such as the Alps, the forest’s accessibility can be a significant constraint for the eco-efficiency of chipping operations. The present study aims at evaluating the efficiency of wood-chipping operations in mountain areas based on long-term monitoring. One chipper-truck was monitored over 1200 working h
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Zarins, Marcis, Toms Torims, Maris Bumanis, and Andris Chamans. "Diagnostics of Drum Type Wood Chipping Machines." Applied Mechanics and Materials 220-223 (November 2012): 775–80. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.775.

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This paper investigates diagnostic methods and proposes modern service technologies for wood-processing equipment. The aim of this study is to ensure systematic, research-based wood-processing services and continuous, no-failure operation of facilities. We describe the working principle of a particular industrial, drum-type wood chipper and discuss the problems that occurred during operation, including potential excess engine load or construction imperfections. First experiments show that knife wear progresses even faster than previously expected. Cutting regime calculations are provided, alon
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Manzone, Marco, and Raffaele Spinelli. "Wood chipping performance of a modified forager." Biomass and Bioenergy 55 (August 2013): 101–6. http://dx.doi.org/10.1016/j.biombioe.2013.01.006.

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Dissertations / Theses on the topic "Wood chipping"

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Hellström, Lisbeth. "Fracture processes in wood chipping." Licentiate thesis, Mid Sweden University, Department of Natural Sciences, Engineering and Mathematics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-7827.

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<p>In both the chemical and mechanical pulping process, the logs are cut into wood chips by a disc chipper before fibre separation. To make the wood chipping process more efficient, one have to investigate in detail the coupling between theprocess parameters and the quality of the chips. The objective of this thesis is to obtain an understanding of the fundamental mechanisms behind the creation of wood chips. Both experimental and analytical/numerical approaches have been taken inthis work. The experimental investigations were performed with an in‐house developed equipment and a digital speckl
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com, ronaldchapman1@bigpond, and Ron Chapman. "Fighting for the Forests: A History of The Western Australian Forest Protest Movement 1895-2001." Murdoch University, 2008. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20090121.162055.

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As the first comprehensive study of Western Australian forest protest the thesis analyses the protest movement's organisation, campaigns and strategies. Its central argument is that the contemporary Western Australian forest protest movement established a network of urban and south-west activist groups which encouraged broad public support, and that a diversity of protest strategies focused public attention on forest issues and pressured the state government to change its forest policies. The forest protest movement was characterised by its ability to continually adapt its organisation and s
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Niedzwiecki, Lukasz. "Energy requirements for comminution of fibrous materials - qualitative chipping model." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-12298.

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This paper aims to derive qualitative model for energy requirements for wood chipping process. There is relationship shown between energy requirements and properties of biomass, which is quite variable material. Relationship between comminution machinery and energy necessary for the process is highlighted. Derivation of the model is focused on chipping but in general it’s possible, to make it available both for different types of biomass (f. ex. agricultural residues) or for different type of comminution machinery (f. ex. hammermills) just by using different material properties adjusted to mac
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Hellström, Lisbeth. "On the wood chipping process : a study on basic mechanisms in order to optimize chip properties for pulping." Doctoral thesis, Mittuniversitetet, Institutionen för naturvetenskap, teknik och matematik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-11911.

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In both the chemical and mechanical pulping process, the logs are cut into wood chips by a disc chipper before fibre separation. To make the wood chipping process more efficient, one have to investigate in detail the coupling between process parameters and the quality of the chips. One objective of this thesis was to obtain an understanding of the fundamental mechanisms behind the creation of wood chips. Another objective with the thesis was to investigate whether it was possible to, in a way tailor the chipping process so as to reduce the energy consumption in a following mechanical refining
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Abdallah, Rami. "Détermination des facteurs influençant la coupe et la qualité des plaquettes issues du déchiquetage du bois par des machines forestières." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10096/document.

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Le broyage de bois de qualité secondaire est un processus en pleine expansion avec l'augmentation de l'utilisation de la biomasse pour la production d'énergie. La transformation du bois en plaquettes facilite l'automatisation des chaudières. Peu de recherches ont traité le mécanisme de la formation des plaquettes et des efforts de coupe durant cette opération. Lors de ce travail de thèse, nous nous sommes focalisés sur le système de déchiquetage à disque. Un banc d'essais de taille réelle a été construit afin de permettre la variation de plusieurs paramètres, tels que la vitesse de coupe, la v
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McEwan, Andrew Mark. "The effect of tree and bundle size on the productivity and costs of cut-to-length and multi-stem harvesting systems in Eucalyptus pulpwood." Diss., 2012. http://hdl.handle.net/2263/31119.

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There is currently a global increase in Eucalyptus pulpwood plantations. Harvesting systems traditionally utilised in the northern hemisphere are being used in Eucalyptus pulpwood plantations worldwide. However, the small tree size and complexity of debarking Eucalyptus have provided harvesting with productivity and cost challenges not previously experienced in northern-hemisphere conditions. Much research has been invested in these two harvesting methods in northern-hemisphere species and conditions. There is little research available on mechanised processing-machine productivity and costs in
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Books on the topic "Wood chipping"

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Irish, Lora S. Chipping Away presents chip carving classics "one". Kitchener, Ont: Chipping Away, 1999.

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Blanton, Rita. Chipping Away presents 110 patterns for chip carvers. Kitchener, Ont: Chipping Away, 2001.

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Dennington, Roger W. Forest management and the chipping headrig. Atlanta, Ga: USDA Forest Service, 1986.

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Folkema, Michael P. Handbook for small-to-medium size fuelwood chipping operations. Pointe Claire, Québec: Forest Engineering Research Institute of Canada, 1989.

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Andrisani, John. The short game magic of Tiger Woods: An analysis of Tiger Woods' pitching, chipping, sand play, and putting techniques. New York: Crown Publishers, 1998.

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Evaluation of in-woods chipping options for beetle-killed lodgepole pine wood. Victoria, B.C: Pacific Forestry Centre, 2006.

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The 2006-2011 World Outlook for Woodworking Sawmill Equipment for Chipping and Splitting Wood. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007-2012 World Outlook for Woodworking Sawmill Equipment for Chipping and Splitting Wood. ICON Group International, Inc., 2006.

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United States. Army. Corps of Engineers., ed. Environmental assessment: Barge loading facilities in conjunction with wood chipping and sawlog mill : Tennessee River mile 145.9R. [Knoxville, Tenn.?: Tennessee Valley Authority, 1990.

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United States. Army. Corps of Engineers., ed. Environmental assessment: Barge loading facilities in conjunction with wood chipping and sawlog mill : Tennessee River mile 145.9R. [Knoxville, Tenn.?: Tennessee Valley Authority, 1990.

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Book chapters on the topic "Wood chipping"

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Sonde, V. M., P. P. Shirpurkar, M. S. Giripunje, and P. P. Ashtankar. "Experimental and Dimensional Analysis Approach for Human Energy Required in Wood Chipping Process." In Advances in Intelligent Systems and Computing, 683–91. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3383-9_61.

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Sonde, V. M., P. N. Warnekar, P. P. Ashtankar, and V. S. Ghutke. "An Approach to Form Manual Power Generalized Experimental Model for Wood Chipping Process." In Advances in Lightweight Materials and Structures, 461–68. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7827-4_46.

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Conference papers on the topic "Wood chipping"

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Song, Xiaoxu, Meng Zhang, Z. J. Pei, T. Deines, Q. Zhang, P. F. Zhang, and D. H. Wang. "Size Reduction of Poplar Wood Using a Lathe for Biofuel Manufacturing: A Preliminary Experiment." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63748.

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Poplar wood can be used as feedstocks for manufacturing of cellulosic biofuels (e.g., ethanol) as liquid transportation fuels. Producing ethanol from poplar wood involves reducing poplar wood into small particles, hydrolyzing cellulose inside poplar particles to fermentable sugars, and converting these sugars to ethanol. Size reduction is usually done by wood chipping and biomass milling. In the literature on poplar biofuels, there are no reports on particle formation mechanisms or effects of size reduction on sugar yield. One important reason for the lack of such knowledge is that particle fo
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Heist, Ashley M., Richard M. Ziernicki, and Ben T. Railsback. "Analysis of the Hazards of Wood Chipper Accidents." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62786.

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It is well known in the tree care industry that operators can become caught or snagged by material entering a wood chipper. The consequences can be devastating. On commercial wood chippers with mechanical infeed systems, a caught operator can be pulled into the machine by the infeed system. Due to the speed of the infeed system, once an operator has been caught there is a limited window of time before serious injury or death can occur. Commercial wood chippers commonly pull in branches at speeds of 20 inches per second (50.8 centimeters per second) or faster. Therefore, caught operators may ha
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Leshchinskaya, Alexandra. "A. Leshchinskaya. MICROWAVE WOOD CHIP TREATMENT USE IN CHEMICAL PULP MANUFACTURING (TECHNICAL-ECONOMIC ASSESMENT)." In Ampere 2019. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9706.

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MICROWAVE WOOD CHIP TREATMENT USE IN CHEMICAL PULP MANUFACTURING (TECHNICAL-ECONOMIC ASSESMENT) A. Leshchinskaya Plekhanov Russian University of Economics. 36 Stremyannyy Pereulok, 115093 Moscow, Russia, e-mail: alixfl@mail.ru] Keywords: chemical pulping, microwave wood modification, pulp, softwood, wood chips. Large volumes of cellulose are produced from wood chips by chemical methods. Low permeability of many wood species causes problems in the chemical pulp industry. These include: very long cooking times, high chemical consumption, large material losses, high energy consumption, and enviro
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Hyman, Barry, Sanjeev Khanna, Yuyi Lin, and Jim Borgford-Parnell. "A Case Study of Using Capstone Design as Basis for Curriculum-Wide Project-Based Learning." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62697.

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This paper describes an NSF funded project in the Mechanical and Aerospace Engineering (MAE) Department at the University of Missouri. A primary goal of this project is to systematically increase project-based learning (PBL) experiences throughout the MAE curriculum. To accomplish this goal, recent capstone design projects that need further refinements serve as the basis for PBL activities throughout the MAE curriculum. A major tool for facilitating these refinement efforts is a new senior/graduate Design Management course in which each student in this course learns how to plan and manage desi
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Bulgarino, Nicole A. "Savannah River Site Biomass Cogeneration Facility." In ASME 2013 Power Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/power2013-98160.

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Ameresco &amp; Department of Energy Savannah River partnered together to install three biomass fueled energy plants. The main plant is a 20 megawatt steam power plant and the other two smaller plants are thermal heating plants. All three facilities are located on the Department of Energy Savannah River Site (SRS). These facilities were developed and financed under an Energy Savings Performance Contract (ESPC), which utilizes energy and operational savings to fund the capital investment and operations cost over the performance period. Ameresco was fully responsible for the design, installation,
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Mao, Xiaoan, Patcharin Saechan, and Artur J. Jaworski. "Evaluation of Random Stack Materials for Use in Thermoacoustic Refrigerators." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24763.

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In a thermoacoustic refrigerator, energy conversion between thermal and acoustic power is achieved by means of an oscillatory motion of a compressible fluid along a solid body referred to as “stack”. Traditionally, stacks have been most often made by arranging large number of thin plates at equal spacing to fill out the cross section of a thermoacoustic resonator. Other geometries such as circular pores, square or hexagonal pores (honeycombs) or pin-arrays can also be considered. Most common irregular geometry includes layers of woven wire mesh stacked along the resonator length. The advantage
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Reports on the topic "Wood chipping"

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Mechanic crushed underneath four-ton wood chipping machine. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, August 2013. http://dx.doi.org/10.26616/nioshsface12nj024.

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Barge loading facilities in conjunction with wood chipping and sawlog mill, Tennessee River Mile 145. 9R: Environmental assessment. Office of Scientific and Technical Information (OSTI), August 1990. http://dx.doi.org/10.2172/6304723.

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