Transient temperature measurement using embedded thermocouples
Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic frac...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rittel, D. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1998 |
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| Schlagwörter: |
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| Anmerkung: |
© Society for Experimental Mechanics, Inc. 1998 |
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| Übergeordnetes Werk: |
Enthalten in: Experimental mechanics - Kluwer Academic Publishers, 1961, 38(1998), 2 vom: Juni, Seite 73-78 |
|---|---|
| Übergeordnetes Werk: |
volume:38 ; year:1998 ; number:2 ; month:06 ; pages:73-78 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02321647 |
|---|
| Katalog-ID: |
OLC2058168623 |
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| 520 | |a Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. | ||
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10.1007/BF02321647 doi (DE-627)OLC2058168623 (DE-He213)BF02321647-p DE-627 ger DE-627 rakwb eng 690 VZ Rittel, D. verfasserin aut Transient temperature measurement using embedded thermocouples 1998 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics, Inc. 1998 Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. Shear Band Transient Temperature Adiabatic Shear Adiabatic Shear Band Shear Band Formation Enthalten in Experimental mechanics Kluwer Academic Publishers, 1961 38(1998), 2 vom: Juni, Seite 73-78 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:38 year:1998 number:2 month:06 pages:73-78 https://doi.org/10.1007/BF02321647 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2048 GBV_ILN_2057 GBV_ILN_4046 GBV_ILN_4307 GBV_ILN_4319 GBV_ILN_4700 AR 38 1998 2 06 73-78 |
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10.1007/BF02321647 doi (DE-627)OLC2058168623 (DE-He213)BF02321647-p DE-627 ger DE-627 rakwb eng 690 VZ Rittel, D. verfasserin aut Transient temperature measurement using embedded thermocouples 1998 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics, Inc. 1998 Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. Shear Band Transient Temperature Adiabatic Shear Adiabatic Shear Band Shear Band Formation Enthalten in Experimental mechanics Kluwer Academic Publishers, 1961 38(1998), 2 vom: Juni, Seite 73-78 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:38 year:1998 number:2 month:06 pages:73-78 https://doi.org/10.1007/BF02321647 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2048 GBV_ILN_2057 GBV_ILN_4046 GBV_ILN_4307 GBV_ILN_4319 GBV_ILN_4700 AR 38 1998 2 06 73-78 |
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10.1007/BF02321647 doi (DE-627)OLC2058168623 (DE-He213)BF02321647-p DE-627 ger DE-627 rakwb eng 690 VZ Rittel, D. verfasserin aut Transient temperature measurement using embedded thermocouples 1998 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics, Inc. 1998 Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. Shear Band Transient Temperature Adiabatic Shear Adiabatic Shear Band Shear Band Formation Enthalten in Experimental mechanics Kluwer Academic Publishers, 1961 38(1998), 2 vom: Juni, Seite 73-78 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:38 year:1998 number:2 month:06 pages:73-78 https://doi.org/10.1007/BF02321647 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2048 GBV_ILN_2057 GBV_ILN_4046 GBV_ILN_4307 GBV_ILN_4319 GBV_ILN_4700 AR 38 1998 2 06 73-78 |
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10.1007/BF02321647 doi (DE-627)OLC2058168623 (DE-He213)BF02321647-p DE-627 ger DE-627 rakwb eng 690 VZ Rittel, D. verfasserin aut Transient temperature measurement using embedded thermocouples 1998 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics, Inc. 1998 Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. Shear Band Transient Temperature Adiabatic Shear Adiabatic Shear Band Shear Band Formation Enthalten in Experimental mechanics Kluwer Academic Publishers, 1961 38(1998), 2 vom: Juni, Seite 73-78 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:38 year:1998 number:2 month:06 pages:73-78 https://doi.org/10.1007/BF02321647 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2048 GBV_ILN_2057 GBV_ILN_4046 GBV_ILN_4307 GBV_ILN_4319 GBV_ILN_4700 AR 38 1998 2 06 73-78 |
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10.1007/BF02321647 doi (DE-627)OLC2058168623 (DE-He213)BF02321647-p DE-627 ger DE-627 rakwb eng 690 VZ Rittel, D. verfasserin aut Transient temperature measurement using embedded thermocouples 1998 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics, Inc. 1998 Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. Shear Band Transient Temperature Adiabatic Shear Adiabatic Shear Band Shear Band Formation Enthalten in Experimental mechanics Kluwer Academic Publishers, 1961 38(1998), 2 vom: Juni, Seite 73-78 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:38 year:1998 number:2 month:06 pages:73-78 https://doi.org/10.1007/BF02321647 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_31 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2048 GBV_ILN_2057 GBV_ILN_4046 GBV_ILN_4307 GBV_ILN_4319 GBV_ILN_4700 AR 38 1998 2 06 73-78 |
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Transient temperature measurement using embedded thermocouples |
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Transient temperature measurement using embedded thermocouples |
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transient temperature measurement using embedded thermocouples |
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Transient temperature measurement using embedded thermocouples |
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Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. © Society for Experimental Mechanics, Inc. 1998 |
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Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. © Society for Experimental Mechanics, Inc. 1998 |
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Abstract The response time of thermocouples is generally considered to be a limiting factor when transient temperature changes need to be assessed in solids. As an example, transient temperature changes which develop during dynamic straining of materials, adiabatic shear band formation, dynamic fracture and related fields are often investigated using sophisticated noncontact measurement techniques such as infrared detectors. In these phenomena, the time scale is of the order of the microsecond. In this paper, the authors revisit the application of thermocouples to such measurements using small embedded thermocouples (ETC). Experiments with dynamically loaded polymeric disks (characteristic strain rate of $ 10^{3} $ $ s^{−1} $) show that the thermocouples record transient temperatures with a short typical rise time of 10 μs as a result of the conversion of plastic deformation into heat. This observation is corroborated by the solution of the temperature distribution in a sphere subject to constant surface temperature which predicts the same fast reaction. Specifically, considering a sphere which is representative of the sensing bead, the average temperature is shown to rise in a few microseconds. These theoretical results can be used to deconvolve the experimental results with respect to a calculated impulse response of the sensor to recover the actual temperature variations. The results show that small thermocouples can be embedded to yield useful information about the transient temperature evolution in a solid. This technique is easy to use and provides an important complement to other noncontact techniques. © Society for Experimental Mechanics, Inc. 1998 |
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