Fast adiabatic heating and temperature relaxation in near-critical fluids under zero gravity
Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bonetti, M. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1995 |
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| Anmerkung: |
© Plenum Publishing Corporation 1995 |
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| Übergeordnetes Werk: |
Enthalten in: International journal of thermophysics - Kluwer Academic Publishers-Plenum Publishers, 1980, 16(1995), 5 vom: Sept., Seite 1059-1067 |
|---|---|
| Übergeordnetes Werk: |
volume:16 ; year:1995 ; number:5 ; month:09 ; pages:1059-1067 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02081275 |
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OLC2076452672 |
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| 520 | |a Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. | ||
| 700 | 1 | |a Perrot, F. |4 aut | |
| 700 | 1 | |a Beysens, D. |4 aut | |
| 700 | 1 | |a Garrabos, Y. |4 aut | |
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10.1007/BF02081275 doi (DE-627)OLC2076452672 (DE-He213)BF02081275-p DE-627 ger DE-627 rakwb eng 530 VZ Bonetti, M. verfasserin aut Fast adiabatic heating and temperature relaxation in near-critical fluids under zero gravity 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. Perrot, F. aut Beysens, D. aut Garrabos, Y. aut Enthalten in International journal of thermophysics Kluwer Academic Publishers-Plenum Publishers, 1980 16(1995), 5 vom: Sept., Seite 1059-1067 (DE-627)130512540 (DE-600)764389-5 (DE-576)016085965 0195-928X nnns volume:16 year:1995 number:5 month:09 pages:1059-1067 https://doi.org/10.1007/BF02081275 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_32 GBV_ILN_62 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2050 GBV_ILN_4012 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4700 AR 16 1995 5 09 1059-1067 |
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10.1007/BF02081275 doi (DE-627)OLC2076452672 (DE-He213)BF02081275-p DE-627 ger DE-627 rakwb eng 530 VZ Bonetti, M. verfasserin aut Fast adiabatic heating and temperature relaxation in near-critical fluids under zero gravity 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. Perrot, F. aut Beysens, D. aut Garrabos, Y. aut Enthalten in International journal of thermophysics Kluwer Academic Publishers-Plenum Publishers, 1980 16(1995), 5 vom: Sept., Seite 1059-1067 (DE-627)130512540 (DE-600)764389-5 (DE-576)016085965 0195-928X nnns volume:16 year:1995 number:5 month:09 pages:1059-1067 https://doi.org/10.1007/BF02081275 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_32 GBV_ILN_62 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2050 GBV_ILN_4012 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4700 AR 16 1995 5 09 1059-1067 |
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10.1007/BF02081275 doi (DE-627)OLC2076452672 (DE-He213)BF02081275-p DE-627 ger DE-627 rakwb eng 530 VZ Bonetti, M. verfasserin aut Fast adiabatic heating and temperature relaxation in near-critical fluids under zero gravity 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. Perrot, F. aut Beysens, D. aut Garrabos, Y. aut Enthalten in International journal of thermophysics Kluwer Academic Publishers-Plenum Publishers, 1980 16(1995), 5 vom: Sept., Seite 1059-1067 (DE-627)130512540 (DE-600)764389-5 (DE-576)016085965 0195-928X nnns volume:16 year:1995 number:5 month:09 pages:1059-1067 https://doi.org/10.1007/BF02081275 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_32 GBV_ILN_62 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2050 GBV_ILN_4012 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4700 AR 16 1995 5 09 1059-1067 |
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10.1007/BF02081275 doi (DE-627)OLC2076452672 (DE-He213)BF02081275-p DE-627 ger DE-627 rakwb eng 530 VZ Bonetti, M. verfasserin aut Fast adiabatic heating and temperature relaxation in near-critical fluids under zero gravity 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. Perrot, F. aut Beysens, D. aut Garrabos, Y. aut Enthalten in International journal of thermophysics Kluwer Academic Publishers-Plenum Publishers, 1980 16(1995), 5 vom: Sept., Seite 1059-1067 (DE-627)130512540 (DE-600)764389-5 (DE-576)016085965 0195-928X nnns volume:16 year:1995 number:5 month:09 pages:1059-1067 https://doi.org/10.1007/BF02081275 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_32 GBV_ILN_62 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2050 GBV_ILN_4012 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4700 AR 16 1995 5 09 1059-1067 |
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10.1007/BF02081275 doi (DE-627)OLC2076452672 (DE-He213)BF02081275-p DE-627 ger DE-627 rakwb eng 530 VZ Bonetti, M. verfasserin aut Fast adiabatic heating and temperature relaxation in near-critical fluids under zero gravity 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. Perrot, F. aut Beysens, D. aut Garrabos, Y. aut Enthalten in International journal of thermophysics Kluwer Academic Publishers-Plenum Publishers, 1980 16(1995), 5 vom: Sept., Seite 1059-1067 (DE-627)130512540 (DE-600)764389-5 (DE-576)016085965 0195-928X nnns volume:16 year:1995 number:5 month:09 pages:1059-1067 https://doi.org/10.1007/BF02081275 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_32 GBV_ILN_62 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2050 GBV_ILN_4012 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4316 GBV_ILN_4700 AR 16 1995 5 09 1059-1067 |
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Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. © Plenum Publishing Corporation 1995 |
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Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. © Plenum Publishing Corporation 1995 |
| abstract_unstemmed |
Abstract Heat transport in supercritical $ CO_{2} $ is studied under microgravity conditions. A large temperature and densityρ region around the critical point is explored ($ CO_{2} $ cells were filled at critical densityρ=ρc and off-critical densitiesρ=ρc±0.18ρc). Local heating is obtained by using a small thermistor located in the bulk fluid. Through interferometric observations, a new mechanism of thermalization has been evidenced. Thermal expansion of a warm diffusing boundary layer around the heating thermistor is responsible for rapid adiabatic heating of the bulk fluid through the emission of pressure waves at the border. The scaled thickness of the thermal boundary layer follows a power law. When the heat flow stops, the bulk adiabatic heating instantaneously vanishes and the temperature relaxation inside the thermal boundary layer follows locally a diffusive process. © Plenum Publishing Corporation 1995 |
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