Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine

Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct...
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Autor*in:	Mason, Euan G. [verfasserIn] Hayes, Michael Pink, Nigel

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	Wood quality Microfibril angle Wood density Modulus of elasticity

Anmerkung:	© The Author(s). 2017

Übergeordnetes Werk:	Enthalten in: New Zealand journal of forestry science - Berlin : SpringerOpen, 1971, 47(2017), 1 vom: 11. Aug.
Übergeordnetes Werk:	volume:47 ; year:2017 ; number:1 ; day:11 ; month:08

Links:	Volltext

DOI / URN:	10.1186/s40490-017-0098-y

Katalog-ID:	SPR036528196

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520			\|a Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry.
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allfields	10.1186/s40490-017-0098-y doi (DE-627)SPR036528196 (SPR)s40490-017-0098-y-e DE-627 ger DE-627 rakwb eng Mason, Euan G. verfasserin (orcid)0000-0001-9024-9106 aut Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. Wood quality (dpeaa)DE-He213 Microfibril angle (dpeaa)DE-He213 Wood density (dpeaa)DE-He213 Modulus of elasticity (dpeaa)DE-He213 Hayes, Michael aut Pink, Nigel aut Enthalten in New Zealand journal of forestry science Berlin : SpringerOpen, 1971 47(2017), 1 vom: 11. Aug. (DE-627)593140486 (DE-600)2482291-7 1179-5395 nnns volume:47 year:2017 number:1 day:11 month:08 https://dx.doi.org/10.1186/s40490-017-0098-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 47 2017 1 11 08
spelling	10.1186/s40490-017-0098-y doi (DE-627)SPR036528196 (SPR)s40490-017-0098-y-e DE-627 ger DE-627 rakwb eng Mason, Euan G. verfasserin (orcid)0000-0001-9024-9106 aut Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. Wood quality (dpeaa)DE-He213 Microfibril angle (dpeaa)DE-He213 Wood density (dpeaa)DE-He213 Modulus of elasticity (dpeaa)DE-He213 Hayes, Michael aut Pink, Nigel aut Enthalten in New Zealand journal of forestry science Berlin : SpringerOpen, 1971 47(2017), 1 vom: 11. Aug. (DE-627)593140486 (DE-600)2482291-7 1179-5395 nnns volume:47 year:2017 number:1 day:11 month:08 https://dx.doi.org/10.1186/s40490-017-0098-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 47 2017 1 11 08
allfields_unstemmed	10.1186/s40490-017-0098-y doi (DE-627)SPR036528196 (SPR)s40490-017-0098-y-e DE-627 ger DE-627 rakwb eng Mason, Euan G. verfasserin (orcid)0000-0001-9024-9106 aut Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. Wood quality (dpeaa)DE-He213 Microfibril angle (dpeaa)DE-He213 Wood density (dpeaa)DE-He213 Modulus of elasticity (dpeaa)DE-He213 Hayes, Michael aut Pink, Nigel aut Enthalten in New Zealand journal of forestry science Berlin : SpringerOpen, 1971 47(2017), 1 vom: 11. Aug. (DE-627)593140486 (DE-600)2482291-7 1179-5395 nnns volume:47 year:2017 number:1 day:11 month:08 https://dx.doi.org/10.1186/s40490-017-0098-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 47 2017 1 11 08
allfieldsGer	10.1186/s40490-017-0098-y doi (DE-627)SPR036528196 (SPR)s40490-017-0098-y-e DE-627 ger DE-627 rakwb eng Mason, Euan G. verfasserin (orcid)0000-0001-9024-9106 aut Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. Wood quality (dpeaa)DE-He213 Microfibril angle (dpeaa)DE-He213 Wood density (dpeaa)DE-He213 Modulus of elasticity (dpeaa)DE-He213 Hayes, Michael aut Pink, Nigel aut Enthalten in New Zealand journal of forestry science Berlin : SpringerOpen, 1971 47(2017), 1 vom: 11. Aug. (DE-627)593140486 (DE-600)2482291-7 1179-5395 nnns volume:47 year:2017 number:1 day:11 month:08 https://dx.doi.org/10.1186/s40490-017-0098-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 47 2017 1 11 08
allfieldsSound	10.1186/s40490-017-0098-y doi (DE-627)SPR036528196 (SPR)s40490-017-0098-y-e DE-627 ger DE-627 rakwb eng Mason, Euan G. verfasserin (orcid)0000-0001-9024-9106 aut Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. Wood quality (dpeaa)DE-He213 Microfibril angle (dpeaa)DE-He213 Wood density (dpeaa)DE-He213 Modulus of elasticity (dpeaa)DE-He213 Hayes, Michael aut Pink, Nigel aut Enthalten in New Zealand journal of forestry science Berlin : SpringerOpen, 1971 47(2017), 1 vom: 11. Aug. (DE-627)593140486 (DE-600)2482291-7 1179-5395 nnns volume:47 year:2017 number:1 day:11 month:08 https://dx.doi.org/10.1186/s40490-017-0098-y kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 47 2017 1 11 08
language	English
source	Enthalten in New Zealand journal of forestry science 47(2017), 1 vom: 11. Aug. volume:47 year:2017 number:1 day:11 month:08
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Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. 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author	Mason, Euan G.
spellingShingle	Mason, Euan G. misc Wood quality misc Microfibril angle misc Wood density misc Modulus of elasticity Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine
authorStr	Mason, Euan G.
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topic_title	Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine Wood quality (dpeaa)DE-He213 Microfibril angle (dpeaa)DE-He213 Wood density (dpeaa)DE-He213 Modulus of elasticity (dpeaa)DE-He213
topic	misc Wood quality misc Microfibril angle misc Wood density misc Modulus of elasticity
topic_unstemmed	misc Wood quality misc Microfibril angle misc Wood density misc Modulus of elasticity
topic_browse	misc Wood quality misc Microfibril angle misc Wood density misc Modulus of elasticity
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine
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title_full	Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine
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journal	New Zealand journal of forestry science
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author_browse	Mason, Euan G. Hayes, Michael Pink, Nigel
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title_sort	validation of ultrasonic velocity estimates of wood properties in discs of radiata pine
title_auth	Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine
abstract	Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. © The Author(s). 2017
abstractGer	Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. © The Author(s). 2017
abstract_unstemmed	Background Measurement of microfibril angle (MFA) in the S2 layer of the cell walls of wood using speed of sound in wood has become a common way to estimate wood stiffness and stability. Measurements across the radius of a disc can be critical, but sonic testing needs to be validated against direct measurements of MFA. Methods A robotic machine that uses two transducers to detect the speed of sound through discs of wood from tree stems was validated by comparing its measurements with wood MFA, air-dry density, and modulus of elasticity assessed by X-ray diffractometry through the “Silviscan” system. Results Ultrasonic velocity (USV) was highly correlated with MFA but not with air-dry density. Variable moving averages were assessed in order to estimate the resolution of the USV measurements, and it appeared that the diameter of the swath detected by the transducers was between 23 and 30 mm. Conclusions It was concluded that MFA in wood samples can be assessed rapidly and cheaply using USV measurements but at lower resolution than assessments using X-ray diffractometry. © The Author(s). 2017
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title_short	Validation of ultrasonic velocity estimates of wood properties in discs of radiata pine
url	https://dx.doi.org/10.1186/s40490-017-0098-y
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up_date	2024-07-03T18:10:22.862Z
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