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Drying Hardwood Lumber focuses on common methods for drying lumber of different thickness, with minimal drying defects, for high quality applications. This manual also includes predrying treatments that, when part of an overall quality-oriented drying system, reduce defects and improve drying quality, especially of oak lumber. Special attention is given to drying white wood, such as hard maple and ash, without sticker shadow or other discoloration. Several special drying methods, such as solar drying, are described, and proper techniques for storing dried lumber are discussed. Suggestions are provided for ways to economize on drying costs by reducing drying time and energy demands when feasible. Each chapter is accompanied by a list of references. Some references are cited in the chapter; others are listed as additional sources of information.
At present, no single book adequately covers a basic understanding of wood book satisfies the need for such a work. It describes drying in practice. This the fundamental basis of kiln-drying technology, to enable forest companies to imFrove their drying operations as high-quality timbers become scarcer and of yesteryear can no longer be tolerated. Adaptive the wasteful practices is no longer good enough. Innovations change based on past experience of the material being dried and the processes require a sound understanding of drying. Newer techniques, such as the use of ultrahigh temperature sea soning and superheated steam under vacuum, require an even greater depth of physical understanding for these methods to be used effectively and economically. book provides a description of modern ideas about wood structure, This moisture movement and stress development, from which models of the drying process are developed to give the kiln operator important information about the course of drying under specified conditions, and thus a means is compared with practice wherever for rational process improvement. Theory possible.
Contains suggested dry kiln schedules for over 500 commercial woods, both temperate and tropical. The schedules are written out for easy reference and use. The majority of the schedules are from the world literature with emphasis on U.S., Canadian, and British publications. Revised schedules are suggested for western U.S. and Canadian softwoods and U.S. southern pines. Included are conventional and elevated temperatures for U.S. and Canadian species, Latin American woods, Asian and Oceanian woods, African woods, and European woods. Also included are high temperature schedules for U.S. and Canadian species and tables of assembled dry kiln schedules.
This book discusses conventional as well as unconventional wood drying technologies. It covers fundamental thermophysical and energetic aspects and integrates two complex thermodynamic systems, conventional kilns and heat pumps, aimed at improving the energy performance of dryers and the final quality of dried lumber. It discusses advanced components, kiln energy requirements, modeling, and software and emphasizes dryer/heat pump optimum coupling, control, and energy efficiency. Problems are included in most chapters as practical, numerical examples for process and system/components calculation and design. The book presents promising advancements and R&D challenges and future requirements.
“A surprise best-seller which, apparently, has the power to turn even the most feeble of us into axe-wielding lumberjacks.” —Independent The latest Scandinavian publishing phenomenon is not a Stieg Larsson-like thriller; it’s a book about chopping, stacking, and burning wood that has sold more than 200,000 copies in Norway and Sweden and has been a fixture on the bestseller lists there for more than a year. Norwegian Wood provides useful advice on the rustic hows and whys of taking care of your heating needs, but it’s also a thoughtful attempt to understand man’s age-old predilection for stacking wood and passion for open fires. An intriguing window into the exoticism of Scandinavian culture, the book also features enough inherently interesting facts and anecdotes and inspired prose to make it universally appealing. The U.S. edition is a fully updated version of the Norwegian original, and includes an appendix of U.S.-based resources and contacts. “A how-to guide as well as a celebration of wood—its scent, its variability, and the way it can connect modern life to simpler times . . . You don’t need to have a wood-burning stove or fireplace to be captivated by the craft and lore surrounding a Stone Age method of creating heat.” —The Boston Globe “The book has spread like wildfire.” —Daily Mail “A how-to book with poetry at its heart.” —The Times Literary Supplement
This book collects the best articles from recent issues of "Fine Woodworking" on the subject of finding and working with wood. Wood is the one thing that woodworkers have in common and there is endless fascination with the working properties of various species, how to select and season wood and how to store it. Wood has a way of behaving as if it's still alive, moving with seasonal changes in temperature and humidity. Learning to work with it rather than against wood movement is critical to successful woodworking. Table of Contents Section 1: Buying and Harvesting Section 2: Selecting Wood Section 3: Drying Wood Section 4: Working with Wood Section 5: Transporting and Storing
This book is primarily a general text covering the whole sweep of the forest industries. The over-riding emphasis is on a clear, simple interpretation of the underlying science, demonstrating how such principles apply to processing operations. The book considers the broad question "what is wood?" by looking at the biology, chemistry and physics of wood structure. Wood quality is examined, and explanations are offered on how and why wood quality varies and the implications for processing. Finally, various "industrial processes" are reviewed and interpreted. All chapters have been written by specialists, but the presentation targets a generalist audience.
Ideal for the independent or small scale user, this comprehensive book guides you through the complicated process of identifying, processing, seasoning and drying your own timber. Topics covered include anatomical structures of wood, data on working properties, seasoning and drying requirements, potential problems and solutions and health and safety considerations.