On the propagation of thermonuclear flames in type Ia supernovae:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English German |
| Veröffentlicht: |
Garching
Max-Planck-Inst. für Astrophysik
1995
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 117, 16 S. graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a On the propagation of thermonuclear flames in type Ia supernovae |c Jens C. Niemeyer |
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Datensatz im Suchindex
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| adam_text | MAX-PLANCK-INSTITUT FUR ASTROPHYSIK ON THE PROPAGATION OF THERMONUCLEAR
FLAMES IN TYPE LA SUPERNOVAE JENS C. NIEMEYER VOLLSTANDIGER ABDRUCK DER
VON DER FAKULTAT FUR PHYSIK DER TECHNISCHEN UNIVERSITAT MIINCHEN ZUR
ERLANGUNG DES AKADEMISCHEN GRADES EINES DOKTORS DER NATURWISSENSCHAFTEN
GENEHMIGTEN DISSERTATION. SUB G&TTINGEN 7 202 947 661 VORSITZENDER:
PRIIFER DER DISSERTATION : 1. 2. 3. UNIV.-PROF. DR. F. VON FEILITZSCH
HON.-PROF. DR. W. HILLEBRANDT UNIV.-PROF. DR. W. WEISE PROF. DR. J. W.
TRURAN, UNIVERSITY OF CHICAGO, USA (GU1;ACHTER) DIESE DISSERTATION WURDE
AM 20.07.1995 BEI DER TECHNISCHEN UNIVERSITAT MIINCHEN EINGEREICHT UND
DURCH DIE FAKULTAT FUR PHYSIK AM 23.11.1995 ANGENOMMEN.
KARL-SCHWARZSCHILD-STRABE 1 * 85740 GARCHING CONTENTS 1 INTRODUCTION TO
THE SN LA PROBLEM 4 1.1 OBSERVATIONS . . . 4 1.1.1 GENERAL FEATURES OF
SUPERNOVAE 4 1.1.2 NORMAL TYPE LA SUPERNOVAE 5 1.1.3 PECULIAR TYPE LA
SUPERNOVAE 6 1.2 MODELS AND CONSTRAINTS FOR SN LA PROGENITORS 7 1.3
CHANDRASEKHAR MASS MODELS FOR SN LA 10 1.3.1 PRE-IGNITION EVOLUTION ,
,10 1.3.2 THE EXPLOSION MECHANISM 11 1.3.3 A PHENOMENOLOGICAL PICTURE OF
SCALE SPACE IN THE DEFLAGRATION MODEL . 14 2 PHYSICAL PROPERTIES OF
SUBSONIC BURNING FRONTS 17 2.1 THE MICROSCOPIC SCALE: KINETICS AND
THERMODYNAMICS 17 2.1.1 THE EQUATION OF STATE 17 2.1.2 KINETIC TRANSPORT
AND NUCLEAR REACTIONS 19 2.2 THE HYDRODYNAMICAL EQUATIONS 21 2.3 THEORY
OF LAMINAR FLAMES 23 2.3.1 FORMULATION OF THE EIGENVALUE PROBLEM 24
2.3.2 ASYMPTOTIC PROPERTIES FOR LE = 1 26 2.3.3 PROPERTIES OF NUCLEAR
FLAMES 28 2.4 LINEAR STABILITY ANALYSIS OF PLANAR FLAME FRONTS ! 29
2.4.1 THE LANDAU-DARRIEUS INSTABILITY 30 2.4.2 HYDRODYNAMIC STABILITY
OF PROPAGATING SURFACES IN A GRAVITATIONAL FIELD 31 2.4.3 THE
KELVIN-HELMHOLTZ INSTABILITY 33 1 2 CONTENTS 3 PIECEWISE SCALE-INVARIANT
BURNING REGIMES 35 3.1 VARIABLES IN SCALE SPACE . . . 35 3.2 THE
CELLULAR REGIME 37 3.2.1 NONLINEAR STABILIZATION OF THE LD-INSTABILITY
37 3.2.2 FRACTAL MODELS FOR CELLULAR FLAMES 38 3.3 TURBULENCE AND
TURBULENT FLAME PROPAGATION 40 3.3.1 SCALING PROPERTIES OF FULLY
DEVELOPED TURBULENCE 41 3.3.2 TURBULENT COMBUSTION 45 3.4 PROPAGATION OF
RAYLEIGH-TAYLOR BUBBLE FRONTS 48 3.5 SUMMARY: THE BURNING REGIMES IN SN
LA EXPLOSIONS 50 4 SHEAR INSTABILITY OF LAMINAR FLAMES 54 4.1 BREAKDOWN
OF NONLINEAR STABILIZATION 54 4.2 TRANSITION TO TURBULENCE BY STRONG
SHEAR 57 5 MODELIN G OF TURBULENT FLAME FRONTS 63 5.1 ARTIFICIAL FLAMES
VERSUS DIRECT COUPLING 63 5.2 TURBULENT TRANSPORT . . . , 66 5.3
DETERMINATION OF THE EFFECTIVE FLAME SPEED ; 69 5.4 TESTS OF THE FLAME
MODEL 71 6 TURBULENT FRONT PROPAGATION IN WHITE DWARFS 75 6.1 INITIAL
AND BOUNDARY CONDITIONS 75 6.1.1 NUMERICS 75 6.1.2 THE INITIAL MODEL 76
6.2 CENTRALLY IGNITED DEFLAGRATIONS 77 6.2.1 FRONT EVOLUTION 77 6.2.2
INTERPRETATION OF THE FLAME BRUSH THICKNESS 81 6.3 OFF-CENTER IGNITION
AT ONE POINT 82 6.3.1 PROPERTIES OF THE ONE-BUBBLE MODEL 83 6.3.2
VARIATIONS OF THE TURBULENT SG-MODEL 85 6.4 IGNITION AT MULTIPLE POINTS
88 6.4.1 DYNAMICS OF THE FIVE-BUBBLE MODEL 88 6.4.2 EFFECTS OF
RT-DOMINATED BURNING 90 6.5 GLOBAL ENERGETIC PARAMETERS 91 CONTENTS . 3
7 CONCLUSIONS AND SUMMARY 97 7.1 THE ROLE OF SHEAR INDUCED TURBULENCE 97
7.2 CAN WE PROPERLY MODEL FLAME FRONTS? 99 7.3 INFLUENCE OF THE INITIAL
IGNITION CONDITIONS 103 A THE NUMERICAL METHOD 106 B IMPLEMENTATION OF
THE SUBGRID MODEL 109 REFERENCES 112 DEUTSCHE ZUSAMMENFASSUNG DER ARBEIT
119
|
| any_adam_object | 1 |
| author | Niemeyer, Jens C. |
| author_facet | Niemeyer, Jens C. |
| author_role | aut |
| author_sort | Niemeyer, Jens C. |
| author_variant | j c n jc jcn |
| building | Verbundindex |
| bvnumber | BV010653952 |
| classification_rvk | US 4600 |
| classification_tum | PHY 962d |
| ctrlnum | (OCoLC)614231729 (DE-599)BVBBV010653952 |
| discipline | Physik |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV010653952 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T17:56:42Z |
| institution | BVB |
| language | English German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-007110824 |
| oclc_num | 614231729 |
| open_access_boolean | |
| owner | DE-91 DE-BY-TUM DE-91G DE-BY-TUM DE-29T DE-12 DE-19 DE-BY-UBM DE-706 DE-83 DE-11 DE-188 |
| owner_facet | DE-91 DE-BY-TUM DE-91G DE-BY-TUM DE-29T DE-12 DE-19 DE-BY-UBM DE-706 DE-83 DE-11 DE-188 |
| physical | 117, 16 S. graph. Darst. |
| publishDate | 1995 |
| publishDateSearch | 1995 |
| publishDateSort | 1995 |
| publisher | Max-Planck-Inst. für Astrophysik |
| record_format | marc |
| spelling | Niemeyer, Jens C. Verfasser aut On the propagation of thermonuclear flames in type Ia supernovae Jens C. Niemeyer MPA 911 Garching Max-Planck-Inst. für Astrophysik 1995 117, 16 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zugl.: München, Techn. Univ., Diss., 1995 Kernfusion (DE-588)4030323-8 gnd rswk-swf Ausbreitung (DE-588)4003694-7 gnd rswk-swf Supernova (DE-588)4184117-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Supernova (DE-588)4184117-7 s Kernfusion (DE-588)4030323-8 s Ausbreitung (DE-588)4003694-7 s DE-604 GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007110824&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Niemeyer, Jens C. On the propagation of thermonuclear flames in type Ia supernovae Kernfusion (DE-588)4030323-8 gnd Ausbreitung (DE-588)4003694-7 gnd Supernova (DE-588)4184117-7 gnd |
| subject_GND | (DE-588)4030323-8 (DE-588)4003694-7 (DE-588)4184117-7 (DE-588)4113937-9 |
| title | On the propagation of thermonuclear flames in type Ia supernovae |
| title_alt | MPA 911 |
| title_auth | On the propagation of thermonuclear flames in type Ia supernovae |
| title_exact_search | On the propagation of thermonuclear flames in type Ia supernovae |
| title_full | On the propagation of thermonuclear flames in type Ia supernovae Jens C. Niemeyer |
| title_fullStr | On the propagation of thermonuclear flames in type Ia supernovae Jens C. Niemeyer |
| title_full_unstemmed | On the propagation of thermonuclear flames in type Ia supernovae Jens C. Niemeyer |
| title_short | On the propagation of thermonuclear flames in type Ia supernovae |
| title_sort | on the propagation of thermonuclear flames in type ia supernovae |
| topic | Kernfusion (DE-588)4030323-8 gnd Ausbreitung (DE-588)4003694-7 gnd Supernova (DE-588)4184117-7 gnd |
| topic_facet | Kernfusion Ausbreitung Supernova Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007110824&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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