House Log Drying Rates In Southeast Alaska For Covered And Uncovered Softwood Logs
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House Log Drying Rates In Southeast Alaska For Covered And Uncovered Softwood Logs
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Author : David L. Nicholls
language : en
Publisher:
Release Date : 2009
House Log Drying Rates In Southeast Alaska For Covered And Uncovered Softwood Logs written by David L. Nicholls and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Log cabins categories.
Log moisture content has an important impact on many aspects of log home construction, including log processing, transportation costs, and dimensional stability in use. Air-drying times for house logs from freshly harvested trees can depend on numerous factors including initial moisture content, log diameter, bark condition, and environmental conditions during drying. In this study, we evaluated air-drying properties of young-growth Sitka spruce (Picea sitchensis (Bong.) Carr) and of western hemlock (Tsuga heterophylla (Raf.) Sarg.) from logs harvested in southeast Alaska. For each species, we considered inside storage in a warehouse vs. outside storage, as well as debarked logs vs. logs with bark remaining, resulting in four experimental treatments. We considered moisture losses after 8 and 12 months of air drying. There was considerable moisture loss for Sitka spruce logs, and much of the drying occurred during the first 8 months. Fastest drying rates for both species were for peeled logs with inside storage. Western hemlock logs showed higher moisture content and greater moisture content variation (vs. Sitka spruce), and in most cases would require additional drying beyond the 12-month study period to produce satisfactory house logs. Results of this study are significant because they can help entrepreneurs determine appropriate levels of capital investment (e.g., land, covered storage, debarking equipment), as well as whether to dry and process logs in southeast Alaska vs. some other location. This study found that a leading option for local producers would be to peel Sitka spruce logs, then air dry indoors for between 8 and 12 months. Another effective strategy would be to peel western hemlock logs, then air dry indoors for 12 months.
House Log Drying Rates In Southeast Alaska For Covered And Uncovered Softwood Logs
DOWNLOAD
Author : David Nicholls
language : en
Publisher:
Release Date : 2009
House Log Drying Rates In Southeast Alaska For Covered And Uncovered Softwood Logs written by David Nicholls and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Log moisture content has an important impact on many aspects of log home construction, including log processing, transportation costs, and dimensional stability in use. Air-drying times for house logs from freshly harvested trees can depend on numerous factors including initial moisture content, log diameter, bark condition, and environmental conditions during drying. In this study, we evaluated air-drying properties of young-growth Sitka spruce (Picea sitchensis (Bong.) Carr) and of western hemlock (Tsuga heterophylla (Raf.) Sarg.) from logs harvested in southeast Alaska. For each species, we considered inside storage in a warehouse vs. outside storage, as well as debarked logs vs. logs with bark remaining, resulting in four experimental treatments. We considered moisture losses after 8 and 12 months of air drying. There was considerable moisture loss for Sitka spruce logs, and much of the drying occurred during the first 8 months. Fastest drying rates for both species were for peeled logs with inside storage. Western hemlock logs showed higher moisture content and greater moisture content variation (vs. Sitka spruce), and in most cases would require additional drying beyond the 12-month study period to produce satisfactory house logs. Results of this study are significant because they can help entrepreneurs determine appropriate levels of capital investment (e.g., land, covered storage, debarking equipment), as well as whether to dry and process logs in southeast Alaska vs. some other location. This study found that a leading option for local producers would be to peel Sitka spruce logs, then air dry indoors for between 8 and 12 months. Another effective strategy would be to peel western hemlock logs, then air dry indoors for 12 months.
Developing Estimates Of Potential Demand For Renewable Wood Energy Products In Alaska
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Author : Allen M. Brackley
language : en
Publisher: DIANE Publishing
Release Date : 2011-04
Developing Estimates Of Potential Demand For Renewable Wood Energy Products In Alaska written by Allen M. Brackley and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04 with Business & Economics categories.
This report is concerned with the existing volumes of renewable wood energy products (RWEP) currently used in Alaska and the potential demand for RWEP for residential and community heating projects in the state. By using peak prices from the fall of 2008, the potential value of a British thermal unit (Btu) from various fuels has been calculated to identify those situations where wood-based fuels are economically competitive or advantageous when compared with alternative fuel sources. If fuel oil prices increase to the levels experienced in 2008, there would be a strong economic incentive to convert heating systems to use solid wood fuels. Charts and tables. This is a print on demand edition of an important, hard-to-find report.
Planning Implementation And History Of The First 5 Years Of Operation Of The Craig Alaska Pool And School Biomass Heating System
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Author : Allen M. Brackley
language : en
Publisher:
Release Date : 2016
Planning Implementation And History Of The First 5 Years Of Operation Of The Craig Alaska Pool And School Biomass Heating System written by Allen M. Brackley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Biomass energy categories.
Forest Product Conversion Factors For The Unece Region
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Author : United Nations
language : en
Publisher: UN
Release Date : 2010
Forest Product Conversion Factors For The Unece Region written by United Nations and has been published by UN this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Political Science categories.
Wood Veneer
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Author : John Francis Lutz
language : en
Publisher:
Release Date : 1978
Wood Veneer written by John Francis Lutz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Forest products categories.
A Review Of Dipterocarps
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Author : Simmathiri Appanah
language : en
Publisher: CIFOR
Release Date : 1998-01-01
A Review Of Dipterocarps written by Simmathiri Appanah and has been published by CIFOR this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-01-01 with Dipterocarpaceae categories.
Wood Properties And Uses Of Sitka Spruce In Britain
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Author : John Moore
language : en
Publisher: Forestry Commission of Great Britain
Release Date : 2011
Wood Properties And Uses Of Sitka Spruce In Britain written by John Moore and has been published by Forestry Commission of Great Britain this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Sitka spruce categories.
American Softwood Lumber Standard
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Author : United States. National Bureau of Standards
language : en
Publisher:
Release Date : 1970
American Softwood Lumber Standard written by United States. National Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Lumber categories.
Building With Logs
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Author : W. Ellis Groben
language : en
Publisher: Good Press
Release Date : 2019-11-22
Building With Logs written by W. Ellis Groben and has been published by Good Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-22 with Design categories.
"Building with Logs" by W. Ellis Groben, Clyde P. Fickes. Published by Good Press. Good Press publishes a wide range of titles that encompasses every genre. From well-known classics & literary fiction and non-fiction to forgotten−or yet undiscovered gems−of world literature, we issue the books that need to be read. Each Good Press edition has been meticulously edited and formatted to boost readability for all e-readers and devices. Our goal is to produce eBooks that are user-friendly and accessible to everyone in a high-quality digital format.