Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts: volcanological implications
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
2002
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | München, Univ., Fak. für Geowiss., Diss., 2002 |
| Beschreibung: | XIII, 136 Bl. Ill., graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts |b volcanological implications |c von Daniele Giordano |
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Datensatz im Suchindex
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CONTENT
XII
ZUSAMMENGFASSUNG.IV
ABSTRACT.IX
1. INTRODUCTION.1
2. THEORETICAL AND EXPERIMENTAL BACKGROUND.2
2.1. RELAXATION
.2
2.1.1. LIQUIDS, SUPERCOOLED LIQUIDS, GLASSES AND THE GLASS TRANSITION
TEMPERATURE.2
2.1.2. OVERVIEW OF THE MAIN THEORETICAL AND EMPIRICAL MODELS DESCRIBING
THE VISCOSITY OF MELTS
.5
2.1.3. DEPARTURE FROM ARRHENIAN BEHAVIOUR AND FRAGILITY.9
2.1.4. THE MAXWELL MECHANICS OF RELAXATION. 12
2.1.5. GLASS TRANSITION CHARACTERIZATION APPLIED TO FRAGILE
FRAGMENTATION DYNAMICS.14
2.2.1. STRUCTURE OF SILICATE MELTS.7.16
2.2.2. METHODS TO INVESTIGATE THE STRUCTURE OF SILICATE LIQUIDS. 17
2.2.3. VISCOSITY OF SILICATE MELTS: RELATIONSHIPS WITH STRUCTURE.18
3. EXPERIMENTAL METHODS.21
3.1. GENERAL PROCEDURE
.21
3.2. EXPERIMENTAL MEASUREMENTS
.21
3.2.1. CONCENTRIC CYLINDER.21
3.2.2 PISTON CYLINDER.23
3.2.3. MICROPENETRATION TECHNIQUE.24
3.2.4. FOURIER-TRANSFORM INFRARED (FTIR) SPECTROSCOPY.28
3.2.5. DENSITY DETERMINATION.29
3.2.6. KARL - FISCHER - TITRATION (KFT).30
3.2.7. DIFFERENTIAL SCANNING CALORIMETRY (DSC).32
4. SAMPLE SELECTION.34
5. DRY SILICATE MELTS-VISCOSITY AND CALORIMETRY.36
5.1. RESULTS
.38
5.2. MODELLING THE NON-ARRHENIAN RHEOLOGY OF SILICATE MELTS: NUMERICAL
CONSIDERATIONS
.40
5.2.1. PROCEDURE STRATEGY.'.40
5.2.2. MODEL-INDUCED COVARIANCES.42
5.2.3. ANALYSIS OF COVARIANCE.42
5.2.4. MODEL TVF FUNCTIONS.45
5.2.5. DATA-INDUCED COVARIANCES.46
5.2.6. VARIANCE IN MODEL PARAMETERS.48
5.2.7. COVARIANCE IN MODEL PARAMETERS.50
5.2.8. MODEL TVF FUNCTIONS.51
5.2.9. STRONG VS. FRAGILE MELTS.52
5.2.10. DISCUSSION.54
5.3. PREDICTING THE "KINETIC" FRAGILITY OF NATURAL SILICATE MELTS:
CONSTRAINTS USING TAMMANN-
VOGEL-FULCHER EQUATION.,.56
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/966532236
KILL
5.3.1. RESULTS.56
5.3.2. DISCUSSION.60
5.4. TOWARDS A NON-ARRHENIAN MULTI-COMPONENT MODEL FOR THE VISCOSITY OF
MAGMATIC MELTS. 62
5.4.1. THE VISCOSITY OF DRY SILICATE MELTS - COMPOSITIONAL ASPECTS.62
5.4.2. MODELLING THE VISCOSITY OF DRY SILICATE LIQUIDS - CALCULATION
PROCEDURE AND RESULTS.66
5.4.3. DISCUSSION.69
5.5. PREDICTING SHEAR VISCOSITY ACROSS THE GLASS TRANSITION DURING
VOLCANIC PROCESSES: A
CALORIMETRIC CALIBRATION. 71
5.5.1. SAMPLE SELECTION AND METHODS.73
5.5.2. RESULTS AND DISCUSSION.75
5.6. CONCLUSIONS
.82
6. VISCOSITY OF HYDROUS SILICATE MELTS FROM PHLEGREAN FIELDS AND
VESUVIUS: A COMPARISON
BETWEEN RHYOLITIC, PHONOLITIC AND BASALTIC LIQUIDS.84
6.1. SAMPLE SELECTION AND CHARACTERIZATION
.85
6.2. DATA MODELLING
. 85
6.3. RESULTS
.87
6.4. DISCUSSION
.93
6.5. CONCLUSIONS
.98
1
.
CONCLUSIONS. 99
8. OUTLOOK.102
9. APPENDICES.103
APPENDIX I: COMPUTATION OF CONFIDENCE LIMITS
. 103
10. REFERENCES.106 |
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| illustrated | Illustrated |
| indexdate | 2024-11-22T17:36:25Z |
| institution | BVB |
| language | English |
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| physical | XIII, 136 Bl. Ill., graph. Darst. |
| publishDate | 2002 |
| publishDateSearch | 2002 |
| publishDateSort | 2002 |
| record_format | marc |
| spelling | Giordano, Daniele 1967- Verfasser (DE-588)12445450X aut Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications von Daniele Giordano 2002 XIII, 136 Bl. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Fak. für Geowiss., Diss., 2002 Silicatschmelze (DE-588)4181365-0 gnd rswk-swf Viskosität (DE-588)4063625-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Silicatschmelze (DE-588)4181365-0 s Viskosität (DE-588)4063625-2 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010265251&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Giordano, Daniele 1967- Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications Silicatschmelze (DE-588)4181365-0 gnd Viskosität (DE-588)4063625-2 gnd |
| subject_GND | (DE-588)4181365-0 (DE-588)4063625-2 (DE-588)4113937-9 |
| title | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications |
| title_auth | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications |
| title_exact_search | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications |
| title_full | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications von Daniele Giordano |
| title_fullStr | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications von Daniele Giordano |
| title_full_unstemmed | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications von Daniele Giordano |
| title_short | Experimental determinations and modelling of the viscosity of multicomponent natural silicate melts |
| title_sort | experimental determinations and modelling of the viscosity of multicomponent natural silicate melts volcanological implications |
| title_sub | volcanological implications |
| topic | Silicatschmelze (DE-588)4181365-0 gnd Viskosität (DE-588)4063625-2 gnd |
| topic_facet | Silicatschmelze Viskosität Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010265251&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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