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A platform for research: civil engineering, architecture and urbanism
Temperature Changes in an Initially Frozen Wood Chip Pile
White spruce trees and tops were chipped and placed in a pile near Fairbanks, Alaska, in February 1983. The pile was 6 meters in diameter and 6 meters high in a cylindrical shape. Thermocouples were placed at 25 locations within the pile so that temperatures could be tracked over time. Gypsum blocks were placed at 10 locations to determine changes in moisture content. The first evidence that the pile was generating heat appeared at the end of May 1983. The heat accelerated the warming and thawing of the pile. By early August, all thermocouple points were above freezing. The highest temperature recorded was 61 degrees Celsius near the core of the pile. The chip pile did not freeze at all points the second winter, and all points in the pile were above freezing by early July 1984.
Temperature Changes in an Initially Frozen Wood Chip Pile
White spruce trees and tops were chipped and placed in a pile near Fairbanks, Alaska, in February 1983. The pile was 6 meters in diameter and 6 meters high in a cylindrical shape. Thermocouples were placed at 25 locations within the pile so that temperatures could be tracked over time. Gypsum blocks were placed at 10 locations to determine changes in moisture content. The first evidence that the pile was generating heat appeared at the end of May 1983. The heat accelerated the warming and thawing of the pile. By early August, all thermocouple points were above freezing. The highest temperature recorded was 61 degrees Celsius near the core of the pile. The chip pile did not freeze at all points the second winter, and all points in the pile were above freezing by early July 1984.
Temperature Changes in an Initially Frozen Wood Chip Pile
G. R. Sampson (author) / J. H. McBeath (author)
1987
13 pages
Report
No indication
English
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