A zonal method to efficiently simulate viscous flows:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2012
|
| Schriftenreihe: | Berichte aus der Strömungstechnik
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XI, 170 S. Ill., graph. Darst. |
| ISBN: | 9783844013788 |
Internformat
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| 100 | 1 | |a Roidl, Benedikt |d 1982- |e Verfasser |0 (DE-588)1027602568 |4 aut | |
| 245 | 1 | 0 | |a A zonal method to efficiently simulate viscous flows |c Benedikt Roidl |
| 264 | 1 | |a Aachen |b Shaker |c 2012 | |
| 300 | |a XI, 170 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Berichte aus der Strömungstechnik | |
| 502 | |a Zugl.: Aachen, Techn. Hochsch., Diss., 2012 | ||
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Datensatz im Suchindex
| _version_ | 1804149816775671808 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
ABSTRACT/UBERSICHT I
CONTENTS III
NOMENCLATURE VII
1 INTRODUCTION 1
1.1 HYBRID R A N S - L E S METHODS 2
1.1.1 DETACHED-EDDY-SIMULATION ( D E S ) 2
1.1.2 ZONAL R A N S - L E S METHODS 3
1.2 STRUCTURE O F THE PRESENT WORK 5
2 PHYSICAL PROBLEM 7
2.1 BASIC DESCRIPTION O F TURBULENCE 8
2.1.1 LENGTH SCALES 9
2.1.2 M E A N FLOW BEHAVIOR IN A TURBULENT B O U N D A R Y LAYER 12
2.2 BEHAVIOR O F LARGE TURBULENT STRUCTURES IN A TURBULENT B O U N D A R
Y LAYER 15
2.3 INCOMPRESSIBLE A N D COMPRESSIBLE BOUNDARY LAYERS A T PRESSURE
GRADIENTS . . 17
2.3.1 FAVORABLE PRESSURE GRADIENT ( F P G ) B O U N D A R Y LAYER WITH
RELAMINARIZATION 17
2.3.2 ADVERSE PRESSURE GRADIENT ( A P G ) B O U N D A R Y LAYER W I T H
SEPARATION . 18
2.3.3 SHOCK-WAVE/TURBULENT BOUNDARY-LAYER INTERACTION (SWBL1) 19
2.3.4 TRANSONIC FLOW A R O U N D A N AIRFOIL 2 0
3 MATHEMATICAL FORMULATIONS 2 3
3.1 NAVIER-STOKES EQUATIONS 2 3
3.1.1 SPATIAL FILTERING O F GOVERNING EQUATIONS 2 5
3.1.2 TIME-AVERAGED GOVERNING EQUATIONS 2 7
4 NUMERICAL M E T H O D S 2 9
4.1 SPATIAL DISCRETIZATION A N D TEMPORAL INTEGRATION O F THE GOVERNING
EQUATIONS . 2 9
4.1.1 TRANSFORMATION INTO CURVILINEAR COORDINATES 3 0
HTTP://D-NB.INFO/1026061180
IMAGE 2
IV
CONTENTS
4.1.2 DISCRETIZATION O F THE INVISCID FLUXES 31
4.1.3 DISCRETIZATION O F THE VISCOUS FLUXES 33
4.1.4 TEMPORAL INTEGRATION 33
4.2 SUBGRID SCALE MODELLING FOR LARGE-EDDY SIMULATIONS 34
4.3 TURBULENCE M O D E L S FOR R A N S SIMULATION 35
4.3.1 SPALART-ALLMARAS TURBULENCE MODEL 36
4.3.2 FARES-SCHRODER TURBULENCE M O D E L 37
5 Z O N A L R A N S - L E S M E T H O D 39
5.1 R A N S - T O - L E S TRANSITION 4 0
5.1.1 SYNTHETIC E D D Y M E T H O D O F JARRIN E T AL. [64](SEM) 42
5.1.2 SYNTHETIC TURBULENCE GENERATION M E T H O D O F BATTEN E T AL.
[8](BAT) . 4 4
5.1.3 CONTROL PLANE FORMULATION O F SPILLE-KOHOFF AND KALTENBACH [141
](CP) 4 5
5.1.4 REFORMULATED SYNTHETIC TURBULENCE GENERATION ( S T G R ) M E T H O
D . . . 4 6
5.2 L E S - T O - R A N S TRANSITION 50
5.3 AVERAGING PROCEDURE O F FLOW QUANTITIES IN THE E M B E D D E D L E S
D O M A I N . . . 51
5.4 S U M M A R Y O F THE BOUNDARY CONDITIONS O F THE ZONAL R A N S - L
E S METHOD . . . 52
6 COMPUTATIONAL SETUPS 55
6.1 INCOMPRESSIBLE A N D COMPRESSIBLE ZERO-PRESSURE GRADIENT B O U N D A
R Y LAYERS T O VALIDATE THE S T G METHODS 55
6.1.1 INCOMPRESSIBLE ZERO-PRESSURE GRADIENT ( Z P G ) BOUNDARY-LAYERS .
. . 56
6.1.2 MILDLY COMPRESSIBLE ZERO-PRESSURE GRADIENT B O U N D A R Y LAYERS
( Z P G M ) 5 7
6.1.3 SUPERSONIC ZERO-PRESSURE GRADIENT B O U N D A R Y LAYERS ( Z P G S
) 5 7
6.2 INCOMPRESSIBLE A N D COMPRESSIBLE B O U N D A R Y LAYERS WITH
PRESSURE GRADIENTS FOR THE APPLICATION O F THE FULLY COUPLED ZONAL R A N
S - L E S M E T H O D 5 8
6.2.1 FAVORABLE-PRESSURE GRADIENT (FPG) BOUNDARY-LAYER 5 8
6.2.2 ADVERSE-PRESSURE GRADIENT ( A P G ) BOUNDARY-LAYER 6 0
6.2.3 SHOCK-WAVE TURBULENT/ BOUNDARY-LAYER INTERACTION ( S W B L I ) . .
. . 6 0
6.3 TRANSONIC FLOW AROUND A D R A 2 3 0 3 AIRFOIL FOR THE APPLICATION O
F THE FULLY
COUPLED ZONAL R A N S - L E S M E T H O D 61
7 RESULTS 6 3
7.1 VALIDATION O F THE S T G METHODS O N THE BASIS O F INCOMPRESSIBLE
AND COMPRESS IBLE ZERO PRESSURE-GRADIENT B O U N D A R Y LAYERS 6 4
7.1.1 INCOMPRESSIBLE ZERO-PRESSURE GRADIENT ( Z P G ) B O U N D A R Y
LAYERS . . . 6 4
7.1.2 MILDLY COMPRESSIBLE ZERO-PRESSURE GRADIENT BOUNDARY LAYERS ( Z P G
M ) 6 7
IMAGE 3
V
7.1.3 SUPERSONIC ZERO PRESSURE GRADIENT B O U N D A R Y LAYERS ( Z P G S
) 6 9
7.1.4 COMPARISON O F ZERO PRESSURE GRADIENT RESULTS IN THE
INCOMPRESSIBLE P L A N E 7 3
7.1.5 R A N S - T O - L E S TRANSITION QUALITY O N COARSE GRIDS 7 4
7.2 APPLICATION O F THE FULLY COUPLED ZONAL R A N S - L E S ANSATZ O N
INCOMPRESSIBLE AND COMPRESSIBLE B O U N D A R Y LAYERS W I T H PRESSURE
GRADIENTS 7 5
7.2.1 FAVORABLE-PRESSURE GRADIENT ( F P G ) B O U N D A R Y LAYER 7 5
7.2.2 ADVERSE PRESSURE GRADIENT ( A P G ) B O U N D A R Y LAYER 7 8
7.2.3 SHOCK-WAVE/TURBULENT BOUNDARY-LAYER INTERACTION ( S W B L I ) 81
7.3 APPLICATION O F THE FULLY COUPLED ZONAL R A N S - L E S APPROACH O N
TRANSONIC FLOW AROUND A N D R A 2 3 0 3 AIRFOIL 8 7
7.3.1 TIME-AVERAGED RESULTS 8 7
7.3.2 PRESSURE SIGNALS 8 9
7.3.3 F R O M L E S TO R A N S : PRESSURE FLUCTUATIONS 9 1
8 SUMMARY A N D CONCLUSIONS 9 3
BIBLIOGRAPHY 9 5
TABLES 107
FIGURES 1 1 5
A REFERENCE VALUES 1 6 5
B TRANSFORMATION TO CURVILINEAR COORDINATES 166
C MODIFICATIONS O F THE FARES-SCHRODER TURBULENCE M O D E L 1 6 7
D RESEATING FOR R A N S INFLOW B O U N D A R Y CONDITIONS 1 6 9
|
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| dewey-hundreds | 600 - Technology (Applied sciences) |
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| dewey-sort | 3620.10640151864 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen |
| format | Thesis Book |
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| indexdate | 2024-07-10T00:29:03Z |
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| isbn | 9783844013788 |
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| spelling | Roidl, Benedikt 1982- Verfasser (DE-588)1027602568 aut A zonal method to efficiently simulate viscous flows Benedikt Roidl Aachen Shaker 2012 XI, 170 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berichte aus der Strömungstechnik Zugl.: Aachen, Techn. Hochsch., Diss., 2012 Turbulente Strömung (DE-588)4117265-6 gnd rswk-swf LES Strömung (DE-588)4315616-2 gnd rswk-swf Viskose Strömung (DE-588)4226965-9 gnd rswk-swf Reynoldssche Gleichung (DE-588)4261715-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Viskose Strömung (DE-588)4226965-9 s Turbulente Strömung (DE-588)4117265-6 s LES Strömung (DE-588)4315616-2 s Reynoldssche Gleichung (DE-588)4261715-7 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025510137&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Roidl, Benedikt 1982- A zonal method to efficiently simulate viscous flows Turbulente Strömung (DE-588)4117265-6 gnd LES Strömung (DE-588)4315616-2 gnd Viskose Strömung (DE-588)4226965-9 gnd Reynoldssche Gleichung (DE-588)4261715-7 gnd |
| subject_GND | (DE-588)4117265-6 (DE-588)4315616-2 (DE-588)4226965-9 (DE-588)4261715-7 (DE-588)4113937-9 |
| title | A zonal method to efficiently simulate viscous flows |
| title_auth | A zonal method to efficiently simulate viscous flows |
| title_exact_search | A zonal method to efficiently simulate viscous flows |
| title_full | A zonal method to efficiently simulate viscous flows Benedikt Roidl |
| title_fullStr | A zonal method to efficiently simulate viscous flows Benedikt Roidl |
| title_full_unstemmed | A zonal method to efficiently simulate viscous flows Benedikt Roidl |
| title_short | A zonal method to efficiently simulate viscous flows |
| title_sort | a zonal method to efficiently simulate viscous flows |
| topic | Turbulente Strömung (DE-588)4117265-6 gnd LES Strömung (DE-588)4315616-2 gnd Viskose Strömung (DE-588)4226965-9 gnd Reynoldssche Gleichung (DE-588)4261715-7 gnd |
| topic_facet | Turbulente Strömung LES Strömung Viskose Strömung Reynoldssche Gleichung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025510137&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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