Drying Firewood in a Temporary Solar Kiln PDF Download
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Author: George Roger Sampson
Publisher:
ISBN:
Category : Fuelwood
Languages : en
Pages : 8
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Book Description
Author: George Roger Sampson
Publisher:
ISBN:
Category : Fuelwood
Languages : en
Pages : 8
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Book Description
Author: Joseph Denig
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 148
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Book Description
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.
Author: George R. Sampson
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
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Book Description
Author: John Davidson
Publisher: Mendon Cottage Books
ISBN: 1311259856
Category : Business & Economics
Languages : en
Pages : 55
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Book Description
Table of Contents Introduction Benefits of Using Wood Drying of Wood Why is Wood Drying Necessary? Wood Drying Points and Categories Benefits of Wood Drying Process: Different Methods Used in the Wood Drying Process: Different Types of Kilns Used for Wood Drying: Solar Kiln: Conventional Kiln: Vacuum Kilns: Dehumidification Kiln: Solar Kiln Wood Drying and its Advantages: Key Features of a Solar Kiln: The Mechanism of the Solar Kiln Wood Drying: Important Indicators Used in the Solar Kiln for Wood Drying: Moisture Reading: Moisture Meter: Appropriate MC Level: Types of Solar Kiln Designs: The Greenhouse Design: The Semi-Greenhouse Design: The Opaque Wall Design: How to Build a Solar Kiln for Wood Drying Selection of the kiln design: Building the Solar Kiln: Assembling the Solar Kiln: Important Considerations While Building the Solar Kiln: The Storage: The Circulation System: The Ventilation System: The Glazing Material used: Insulation of the Walls: Size of the Collector: Plans for Building a Solar Kiln Conclusion: Author Bio Publisher Introduction Among the thousands of natural resources present in the world, wood is one of the most popular ones. It was not until the turn of the previous century that the human dependence on wood was higher than any other sources of energy. It was considered to be a one of the wonders of nature that was created to provide comfort and support to the humanly civilized way of living. Although there is no historical confirmation about the first use of wood by humans, still it dates back to a very long period of time when it was a major lifestyle resource for our ancestors from the ancient times. Wood was utilized not just as a source of heating or drawing energy, but also as a material for making tools, household furniture, sheltering objects, transporting objects, decorative purposes, culinary items and cutlery, and a large number of other items that one can only imagine. As per historians, wood was the original material used in most of the first time scientific inventions. To date, wood is a very important part of human living. Life without wood can be very difficult and expensive.
Author:
Publisher:
ISBN:
Category : Fuelwood
Languages : en
Pages : 34
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Book Description
Author: Awam Joel
Publisher: GRIN Verlag
ISBN: 3668959994
Category : Technology & Engineering
Languages : en
Pages : 9
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Book Description
Academic Paper from the year 2015 in the subject Engineering - Chemical Engineering, , language: English, abstract: This research aims to design and fabricate a solar kiln dryer that uses a solar panel to trap the sun’s rich energy and also the design of an inverter that converts the direct current of the sun to an alternative current that will charge the battery and power heater element for drying. The principal mode of heat transfer is convection. The temperature of the incoming stream of air is raised by the heating element, a circular motion fan drives the heated air uniformly through the heating chamber, in this way heat is convectively transferred from the hot air to the cold air. Wood is a hygroscopic material which gains moisture content as a result of changes in humidity. Hygroscopicity is one of the most distinctive properties of wood. Any kind of wood product absorbs and desorbs moisture from the surrounding air until it reaches equilibrium moisture content (EMC), a balance point between the wood’s moisture content and that of the surrounding environment. Fresh cut lumber contains a great deal of water. If the water is not removed, the lumber can’t be used to produce a high quality finished product. Properly dried lumber sells for a higher price and is much easier to work with than lumber that have not been dried. When lumber is well dried it machines better, glues better, and finishes better. Drying also improves the strength of the lumber, kills infestations, hardens pitch, preserves colour, reduces weight and controls shrinkage. Lumber that is not dried under controlled conditions is prone to warping, staining, and other degradations that diminishes its selling price and workability.
Author: John L. Tschernitz
Publisher:
ISBN:
Category : Kilns
Languages : en
Pages : 20
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Book Description
Developing countries with a timber resource that can be manufactured into finished products either for local use or export often lack the capital to build high-cost dry kilns. Many of these countries are in the tropics where solar radiation and ambient temperatures are high. The low-cost solar/wood energy lumber dry kiln described in this report was designed and tested by the Forest Products Laboratory (FPL) for such countries where solar dry kilns can be built and operated at low cost. The FPL design is for a 6,000-fbm capacity kiln having an insulated drying compartment, an external horizontal solar collector, and a furnace room containing a wood burner. Capacities larger or smaller than 6,000 fbm are also possible. This design allows collector and wood burner sizing to match the energy demands of the dryer. The design also incorporates low-cost controls that allow unattended drying when operated as a solar-only dryer. Manual firing is necessary when the wood-burning system is supplying the energy. This kiln design is the final, commercial-size version established after years of testing several 1,000-fbm capacity prototypes. In December 1984 a kiln of this design was built in Sri Lanka at a factory that manufactures furniture and laminated beams from rubber and coconut wood.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 648
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Book Description
Author: Robert Mellin
Publisher: Princeton Architectural Press
ISBN: 9781568988078
Category : Architecture
Languages : en
Pages : 264
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Book Description
There is an almost elemental appeal in the rural fishing villages of Nova Scotia, Maine, and Newfoundland. Their intimate connection to nature, to the land, water, and (often harsh) weather; their reliance on ingenuity, on-hand materials, and craftsmanship; and their values of thrift and endurance serve as inspiration and as touchstones for those of us caught up in the hubbub of modern life. Tilting, Newfoundland is a celebration of all these virtues and an eclectic documentation of the buildings, landscape, and lifestyle of this remote community on a small island far off the Canadian coast. Through photographs, firsthand historical anecdotes, and delicate pencil drawings, author Robert Mellin presents a personal account of Tilting's houses, outbuildings, furniture, tools, fences, and docks, and, in the process, the way of life of Tilting. Mellin describes how houses are built for mobility and then "launched," or moved; how houses are detailed and constructed; how cabbage houses are built out of overturned boats; and the difference between picket, paling, and riddle fences-with diagrams in case you want to build your own. Part journal, part sketchbook, part oral history, Tilting, Newfoundland is a treasure chest of a book that offers new discoveries with each reading, and a reminder of the simpler aspects of life and building.
Author: Devendra Pandey
Publisher: CIFOR
ISBN: 9798764927
Category : Fuelwood
Languages : en
Pages : 107
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Book Description
India's energy use dinamics. Review of sampling designs and methodologies for assessing consumption. Results of fuelwood studies: review and analysis.Trends. Identification of fuelwood hot spots. Policy responses to fuelwood issues. An approach to make fuelwood statistics reliable.
