Evaluation of the arrangement of wood strands at the surface of OSB by image analysis
Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each stran...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Nishimura, T. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2002 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2002 |
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| Übergeordnetes Werk: |
Enthalten in: Wood science and technology - Springer-Verlag, 1967, 36(2002), 1 vom: Jan., Seite 93-99 |
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| Übergeordnetes Werk: |
volume:36 ; year:2002 ; number:1 ; month:01 ; pages:93-99 |
| Links: |
|---|
| DOI / URN: |
10.1007/s002260100117 |
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| Katalog-ID: |
OLC2073067913 |
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| 245 | 1 | 0 | |a Evaluation of the arrangement of wood strands at the surface of OSB by image analysis |
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| 520 | |a Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. | ||
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10.1007/s002260100117 doi (DE-627)OLC2073067913 (DE-He213)s002260100117-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Nishimura, T. verfasserin aut Evaluation of the arrangement of wood strands at the surface of OSB by image analysis 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2002 Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. Fiber Orientation Lower Side Fiber Direction Lower Face Oriented Strand Board Ansell, M. P. aut Ando, N. aut Enthalten in Wood science and technology Springer-Verlag, 1967 36(2002), 1 vom: Jan., Seite 93-99 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:36 year:2002 number:1 month:01 pages:93-99 https://doi.org/10.1007/s002260100117 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4046 GBV_ILN_4277 GBV_ILN_4330 AR 36 2002 1 01 93-99 |
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10.1007/s002260100117 doi (DE-627)OLC2073067913 (DE-He213)s002260100117-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Nishimura, T. verfasserin aut Evaluation of the arrangement of wood strands at the surface of OSB by image analysis 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2002 Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. Fiber Orientation Lower Side Fiber Direction Lower Face Oriented Strand Board Ansell, M. P. aut Ando, N. aut Enthalten in Wood science and technology Springer-Verlag, 1967 36(2002), 1 vom: Jan., Seite 93-99 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:36 year:2002 number:1 month:01 pages:93-99 https://doi.org/10.1007/s002260100117 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4046 GBV_ILN_4277 GBV_ILN_4330 AR 36 2002 1 01 93-99 |
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10.1007/s002260100117 doi (DE-627)OLC2073067913 (DE-He213)s002260100117-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Nishimura, T. verfasserin aut Evaluation of the arrangement of wood strands at the surface of OSB by image analysis 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2002 Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. Fiber Orientation Lower Side Fiber Direction Lower Face Oriented Strand Board Ansell, M. P. aut Ando, N. aut Enthalten in Wood science and technology Springer-Verlag, 1967 36(2002), 1 vom: Jan., Seite 93-99 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:36 year:2002 number:1 month:01 pages:93-99 https://doi.org/10.1007/s002260100117 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4046 GBV_ILN_4277 GBV_ILN_4330 AR 36 2002 1 01 93-99 |
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10.1007/s002260100117 doi (DE-627)OLC2073067913 (DE-He213)s002260100117-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Nishimura, T. verfasserin aut Evaluation of the arrangement of wood strands at the surface of OSB by image analysis 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2002 Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. Fiber Orientation Lower Side Fiber Direction Lower Face Oriented Strand Board Ansell, M. P. aut Ando, N. aut Enthalten in Wood science and technology Springer-Verlag, 1967 36(2002), 1 vom: Jan., Seite 93-99 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:36 year:2002 number:1 month:01 pages:93-99 https://doi.org/10.1007/s002260100117 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4046 GBV_ILN_4277 GBV_ILN_4330 AR 36 2002 1 01 93-99 |
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10.1007/s002260100117 doi (DE-627)OLC2073067913 (DE-He213)s002260100117-p DE-627 ger DE-627 rakwb eng 670 VZ 23 ssgn Nishimura, T. verfasserin aut Evaluation of the arrangement of wood strands at the surface of OSB by image analysis 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag Berlin Heidelberg 2002 Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. Fiber Orientation Lower Side Fiber Direction Lower Face Oriented Strand Board Ansell, M. P. aut Ando, N. aut Enthalten in Wood science and technology Springer-Verlag, 1967 36(2002), 1 vom: Jan., Seite 93-99 (DE-627)129600679 (DE-600)241313-9 (DE-576)015094227 0043-7719 nnns volume:36 year:2002 number:1 month:01 pages:93-99 https://doi.org/10.1007/s002260100117 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2018 GBV_ILN_2542 GBV_ILN_4046 GBV_ILN_4277 GBV_ILN_4330 AR 36 2002 1 01 93-99 |
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Nishimura, T. |
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Evaluation of the arrangement of wood strands at the surface of OSB by image analysis |
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Evaluation of the arrangement of wood strands at the surface of OSB by image analysis |
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evaluation of the arrangement of wood strands at the surface of osb by image analysis |
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Evaluation of the arrangement of wood strands at the surface of OSB by image analysis |
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Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. © Springer-Verlag Berlin Heidelberg 2002 |
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Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. © Springer-Verlag Berlin Heidelberg 2002 |
| abstract_unstemmed |
Abstract The objective of this paper is to evaluate the arrangement of wood strands at the surface of oriented strand board (OSB) by image analysis. Two-dimensional image analysis enables the number of strands and the area of each strand to be computed. In addition, the fiber direction of each strand may be measured manually by recording the acute angle between the fiber direction and the longitudinal axis of the specimen. The image analysis results suggest the following: the average strand area is proportional to the reciprocal of the number of strands. Samples containing many smaller strands exhibit a larger variation in strand size. The average strand area does not correlate with the distribution of the strand area represented by the coefficient of variation. However, there is a reasonable correlation between the number of smaller strands in the range 0 to 1 $ cm^{2} $ and the coefficient of variation of strand area. At low average fiber orientations, i.e. better orientation with the principal panel axis, there is smaller variability in orientation. The upper side and lower side of OSB exhibit a different relationship between average fiber orientation and strand area. The upper side of the specimens contains larger strands and exhibits better fiber orientation than the lower side. This is thought to be a function of the production process. The lower side strands fall on a smooth moving substrate, whereas the upper side strands fall on a stable substrate of strands. The number of strands is lower on the upper side of the OSB panel because small size strands tend to migrate to the lower side of the OSB during production. The small particles tend to be vibrated through the strand mat to the lower face before pressing. © Springer-Verlag Berlin Heidelberg 2002 |
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