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| Title | Publication | Publish Year |
|---|---|---|
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Closed-loop control of lumber drying based on acoustic emission peak amplitude
After preliminary drying runs to establish the experimental procedure and acoustic emission (AE) parameters, several runs were made to determine a method of using feedback to control the drying process. […]
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Forest Products Journal | 2005 |
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Coatings That Prevent End Checks
There are two classes of end coatings: cold coatings which are liquid at room temperature and hot coatings which are solid at room temperature and must be applied hot. Cold […]
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Forest Products Journal | 1955 |
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Collapse and Its Removal in Pacific Madrone
Reconditioning treatment for recovery from collapse was most effective when performed at 13 percent moisture content or less at 212?F in a completely saturated atmosphere. Variables which influenced amount of […]
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Forest Products Journal | 1960 |
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Collapse and moisture distribution in presteamed and kiln-dried incense-cedar squares
Previous research has shown that presteaming wood pieces 1 inch thick or less that have high extractives content can help speed drying and reduce the development of collapse. Therefore, a […]
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Forest Products Journal | 1989 |
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Collapse in Some Eucalyptus After Treatment in Inorganic Salt Solutions
The work reported was designed to test the effect immersion in inorganic salt solutions on collapse in Eucalyptus camaldulensis and E. regnans. In addition, the relation between collapse and some […]
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Forest Products Journal | 1960 |
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Collapse in Wood . . . Exploratory Experiments in Its Prevention
The occurrence of collapse during drying of many species is a major limiting factor preventing the, adoption of accelerated kiln schedules and rapid unorthodox methods of moisture removal. This paper […]
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Forest Products Journal | 1960 |
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Collapse Intensity in Two Eucalypts After Treatment with Hydrochloric Acid and Sodium Chloride Solutions
After treating with various concentrations of hydrochloric acid and sodium chloride solutions, 1 inch cubes of sapwood and heartwood were dried under four conditions. None of the hydrochloric acid solutions […]
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Forest Products Journal | 1962 |
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Combination Schedule Improves Drying of Western White Spruce Lumber
Two dimension-lumber charges of Picea glauca (Moench) Voss were dried under a combination schedule using initially high air velocity (900 fpm) and conventional temperatures, followed by low air velocity (400 […]
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Forest Products Journal | 1970 |
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Combined Bound Water and Water Vapor Diffusion Into Sitka Spruce
The way in which water diffuses through wood is theoretically analyzed. Water vapor diffuses unhindered through the fiber cavities and pit chambers, but is hindered when diffusing through the permanent […]
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Forest Products Journal | 1960 |
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Combining Radio-Frequency Heating with Kiln Drying to Provide Fast Drying Without Degrade
A new radio-frequency (RF) drying process is described in which RF heating is combined with kiln-drying and a systematic relationship is maintained between the dry-bulb temperature of the circulating kiln […]
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Forest Products Journal | 1971 |
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Commercial Evaluation of SDR (Saw-Dry-Rip)–Using Aspen for Door Parts
Manufacturers of aspen door parts (stiles and rails) use lumber from grade-sawn aspen logs, dried at temperatures less than 180?F. This practice results in a great deal of material that […]
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Forest Products Journal | 1984 |
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Commercial Forced-Air Drying of Unstickered Hardwood Furniture Rounds
Describes tests made in a commercial dryer adapted to accelerate the removal of free water from solid stacks of green hardwood furniture rounds to a target moisture of about 25 […]
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Forest Products Journal | 1968 |
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Commercial Hardwood Veneer Drying Variables and Laboratory Correlation
Three main types of hardwood veneer driers — continuous conveyor, hot plate press, and high restraint roller drier — are described. Buckled veneer is caused by the uneven drying effects […]
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Forest Products Journal | 1961 |
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Commercial-scale RF/V drying of softwood lumber. part 1. basic kiln design considerations
The philosophical approach in designing a commercial radio frequency/vacuum (RFN) kiln is discussed, with a review of all the design issues thought to be important. The physical processes relevant to […]
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Forest Products Journal | 1996 |
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Commercial-scale RF/V drying of softwood lumber. part 2. drying characteristics and lumber quality
The experimental program investigated radio-frequency/vacuum (RFN) kiln-drying of three softwood species produced on the west coast of British Columbia: Douglas-fir, hem-fir, and western redcedar. Based on earlier research work, the […]
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Forest Products Journal | 1996 |
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Commercial-scale RF/V drying of softwood lumber. part 3. energy consumption and economics
This paper addresses the capital and operating cost requirements for commercial size radio frequency/vacuum (RF/V) kiln installations of various power densities and radio frequency amplifier sizes for the drying of […]
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Forest Products Journal | 1997 |
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Comparison Between Measured and Theoretical Drying Diffusion Coefficients for Southern Pine
Experimental drying diffusion coefficients were determined for loblolly pine sapwood in both the tangential and radial directions from rate of drying data from the fiber saturation point to the oven-dry […]
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Forest Products Journal | 1961 |
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Comparison of four methods for drying bacterially infected and normal thick red oak
There is a need to optimize the drying of thick oak lumber containing bacterially infected heartwood. Even with slow drying, excessive losses from checks, honeycomb, and ring failure often occur. […]
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Forest Products Journal | 1987 |
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Comparison of Kiln Schedules for Drying Spruce
Eighteen charges of nominal 2-inch spruce [Picea glauca (Moench) Voss and Picea engelmannii Parry] from the British Columbia Interior were dried using six temperature-classification schedules: conventional, low-high, low-variable high, constant […]
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Forest Products Journal | 1973 |
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Comparison of Moisture Content Distribution, Stress Distribution, and Shrinkage of Red Oak Lumber Dried By a Radio-Frequency/Vacuum Drying Process and a Conventional Kiln
End-matched samples of 8/4 red oak, 8 feet long, were dried in a radio-frequency/vacuum (RFV) kiln and a conventional kiln to compare the moisture content distribution, stress distribution, and shrinkage […]
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Forest Products Journal | 1984 |
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Comparison of Moisture Content Variation in Red Oak Lumber Dried By a Radio Frequency/Vacuum Process and a Conventional Kiln
Three thousand board feet of 4/4 red oak lumber was dried in a radio-frequency/vacuum (RFV) kiln and a conventional kiln to determine the effects of board position in the kiln […]
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Forest Products Journal | 1986 |
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Comparison of Three Methods of Determining Whether Southern Pine Poles Are Well Air Seasoned
The study compares three methods for determining moisture content in commercial poles–an ohmmeter, a resistance-type moisture meter, and moisture determinations made from 0.16- inch borings. Southern pine poles were piled […]
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Forest Products Journal | 1957 |
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Comparisons of Air and Steam as Veneer Drying Media
Veneer samples of Douglas-fir and southern pine sapwood were dried in air at temperatures of 350, 600, and 7500 F, velocities of 50, 100, and 150 feet per second, and […]
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Forest Products Journal | 1974 |
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Computer Simulation of the Softwood Veneer-Drying Operation
A computer model simulating the drying of veneer in jet dryers was developed as a tool for studying the drying process under various circumstances at a reduced cost of experimenting […]
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Forest Products Journal | 1977 |
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Computer simulations of a progressive kiln with longitudinal air circulation
The progressive kiln with longitudinal air circulation is a very common type of wood drying kiln in Sweden. The possibilities of regulating this type of kiln are, however, limited and […]
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Forest Products Journal | 1987 |