Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Düren
Shaker Verlag
2023
|
| Ausgabe: | 1. Auflage |
| Schriftenreihe: | Berichte aus der Steuerungs- und Regelungstechnik
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XVIII, 104 Seiten Illustrationen, Diagramme 21 cm x 14.8 cm, 72 g |
| ISBN: | 9783844092851 3844092854 |
Internformat
MARC
| LEADER | 00000nam a22000008c 4500 | ||
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| 003 | DE-604 | ||
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| 100 | 1 | |a Stahl, Kathrin |4 aut | |
| 245 | 1 | 0 | |a Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads |c Kathrin Stahl |
| 264 | 1 | |a Düren |b Shaker Verlag |c 2023 | |
| 300 | |a XVIII, 104 Seiten |b Illustrationen, Diagramme |c 21 cm x 14.8 cm, 72 g | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Berichte aus der Steuerungs- und Regelungstechnik | |
| 502 | |b Dissertation |c Universität Siegen |d 2023 | ||
| 650 | 0 | 7 | |a Schallabstrahlung |0 (DE-588)4052019-5 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Fluid-Struktur-Wechselwirkung |0 (DE-588)4314754-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Tragflügelaerodynamik |0 (DE-588)4185832-3 |2 gnd |9 rswk-swf |
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| 650 | 0 | 7 | |a Hinterkante |0 (DE-588)1051821460 |2 gnd |9 rswk-swf |
| 653 | |a blunt trailing edge noise | ||
| 653 | |a vortex shedding noise | ||
| 653 | |a airfoil | ||
| 653 | |a turbomachinery | ||
| 653 | |a wind turbine noise | ||
| 653 | |a lattice-Boltzmann method | ||
| 653 | |a LBM | ||
| 653 | |a wind tunnel experiments | ||
| 653 | |a far-field acoustics | ||
| 653 | |a spectral proper orthogonal decomposition | ||
| 653 | |a SPOD | ||
| 653 | |a POD | ||
| 653 | |a high Reynolds number flow | ||
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Hinterkante |0 (DE-588)1051821460 |D s |
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| 689 | 0 | 2 | |a Fluid-Struktur-Wechselwirkung |0 (DE-588)4314754-9 |D s |
| 689 | 0 | 3 | |a Tragflügelaerodynamik |0 (DE-588)4185832-3 |D s |
| 689 | 0 | 4 | |a Schallabstrahlung |0 (DE-588)4052019-5 |D s |
| 689 | 0 | |5 DE-604 | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=034871641&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 883 | 1 | |8 1\p |a vlb |d 20231013 |q DE-101 |u https://d-nb.info/provenance/plan#vlb | |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-034871641 | |
Datensatz im Suchindex
| _version_ | 1817696342464528384 |
|---|---|
| adam_text |
IX
C
ONTENTS
K
URZFASSUNG
.
I
A
BSTRACT
.
III
A
CKNOWLEDGMENT
.
V
N
OMENCLATURE
.
XIII
1.
I
NTRODUCTION
.
1
1.1
MOTIVATION
AND
OBJECTIVES
.
1
1.2
OUTLINE
OF
THE
THESIS
.
2
2.
B
LUNT
T
RAILING
E
DGE
N
OISE
(BTEN):
L
ITERATURE
REVIEW
.
5
2.1
PRELUDE:
CLASSIFICATION
OF
AIRFOIL
SELF-NOISE
.
5
2.2
BTEN:
COMMON
PARAMETERS
AND
DEFINITIONS
.
6
2.3
BTEN:
SELECTED
LITERATURE
.
8
2.4
INTERMEDIATE
CONCLUSIONS
.
13
3.
M
ETHODS
FOR
THE
PRESENT
BTEN-S
TUDY
.
15
3.1
AIRFOIL
AND
PARAMETERS
VARIED
.
15
3.2
BOUNDARY
LAYER
TRIPPING
.
16
3.3
NUMERICAL
METHODOLOGY
AND
CASE
SETUP
.
19
3.3.1
THE
LBM
CODE
.
22
3.3.2
CASE
SETUP
.
23
3.3.3
EVALUATION
OF
ACOUSTIC
FIELD
DATA
.
28
3.4
EXPERIMENTAL
SETUP
AND
MEASUREMENT
TECHNIQUES
.
29
3.4.1
AEROACOUSTIC
WIND
TUNNEL
.
30
3.4.2
AIRFOIL
SECTION
AND
INSTRUMENTATION
.
33
3.5
DATA
ACQUISITION
AND
EVALUATION
.
35
3.5.1
DATA
ACQUISITION
.
35
3.5.2
DATA
EVALUATION
.
37
3.5.2.1
TIME-AVERAGED
QUANTITIES
.
37
3.5.2.2
UNSTEADY
QUANTITIES
.
37
3.5.2.3
NORMALIZING
ACOUSTIC
DATA
TO
REFERENCE
DISTANCE
SOURCE
-
OBSERVER
.
39
3.5.2.4
PROPER
ORTHOGONAL
DECOMPOSITION
(POD)
WITH
THE
DIRECT
AND
SNAPSHOT
METHODS
.
39
3.5.2.5
SPECTRAL
PROPER
ORTHOGONAL
DECOMPOSITION
(SPOD)
.
41
4.
V
ERIFICATION
AND
VALIDATION
OF
THE
LBM
RESULTS
.
47
4.1
MESH
CONFIGURATIONS
STUDIED
.
47
4.2
RESULTS
.
48
4.2.1
STATIC
PRESSURE
DISTRIBUTION
.
48
4.2.2
WALL
PRESSURE
SPECTRUM
.
48
4.2.3
SPANWISE
CORRELATION
LENGTH
AND
COHERENCE
.
50
4.2.4
BOUNDARY
LAYER
AND
WAKE
CHARACTERISTICS
.
52
4.2.5
PAR-FIELD
NOISE
.
53
4.3
INTERMEDIATE
CONCLUSION
.
56
5.
R
ESULTS
:
F
AR
-
FIELD
ACOUSTICS
AND
UNSTEADY
FLOW
FIELD
.
57
5.1
ACOUSTIC
FAR
FIELD
.
57
5.1.1
SPECTRA
.
57
5.1.2
DIRECTIVITY
.
60
5.2
FLOW
FIELD
.
60
5.2.1
VELOCITY
FIELD
NEAR
THE
TE
.
60
5.2.2
SURFACE
PRESSURE
FLUCTUATIONS
.
67
5.2.3
POD
AND
SPOD
ANALYSIS
.
67
5.2.4
DATA
ACQUISITION
.
67
5.2.5
POD
.
69
5.2.6
SPOD
.
77
5.3
SCALING
OF
BTEN
.
87
6.
FINAL
CONCLUSION
AND
OUTLOOK
.
89
A
PPENDIX
A
.
B
OUNDARY
LAYER
TRIPPING
.
92
A
PPENDIX
B.
G
EOMETRIC
VS.
EFFECTIVE
ANGLE
OF
ATTACK
.
95
A
PPENDIX
C.
T
HE
PROBE
MICROPHONE
FOR
UNSTEADY
SURFACE
PRESSURE
MEASUREMENTS
.
96
A
PPENDIX
D.
A
ERODYNAMIC
EFFECT
OF
TRAILING
EDGE
TRUNCATION
.
97
XI
R
EFERENCES
.
99 |
| adam_txt |
IX
C
ONTENTS
K
URZFASSUNG
.
I
A
BSTRACT
.
III
A
CKNOWLEDGMENT
.
V
N
OMENCLATURE
.
XIII
1.
I
NTRODUCTION
.
1
1.1
MOTIVATION
AND
OBJECTIVES
.
1
1.2
OUTLINE
OF
THE
THESIS
.
2
2.
B
LUNT
T
RAILING
E
DGE
N
OISE
(BTEN):
L
ITERATURE
REVIEW
.
5
2.1
PRELUDE:
CLASSIFICATION
OF
AIRFOIL
SELF-NOISE
.
5
2.2
BTEN:
COMMON
PARAMETERS
AND
DEFINITIONS
.
6
2.3
BTEN:
SELECTED
LITERATURE
.
8
2.4
INTERMEDIATE
CONCLUSIONS
.
13
3.
M
ETHODS
FOR
THE
PRESENT
BTEN-S
TUDY
.
15
3.1
AIRFOIL
AND
PARAMETERS
VARIED
.
15
3.2
BOUNDARY
LAYER
TRIPPING
.
16
3.3
NUMERICAL
METHODOLOGY
AND
CASE
SETUP
.
19
3.3.1
THE
LBM
CODE
.
22
3.3.2
CASE
SETUP
.
23
3.3.3
EVALUATION
OF
ACOUSTIC
FIELD
DATA
.
28
3.4
EXPERIMENTAL
SETUP
AND
MEASUREMENT
TECHNIQUES
.
29
3.4.1
AEROACOUSTIC
WIND
TUNNEL
.
30
3.4.2
AIRFOIL
SECTION
AND
INSTRUMENTATION
.
33
3.5
DATA
ACQUISITION
AND
EVALUATION
.
35
3.5.1
DATA
ACQUISITION
.
35
3.5.2
DATA
EVALUATION
.
37
3.5.2.1
TIME-AVERAGED
QUANTITIES
.
37
3.5.2.2
UNSTEADY
QUANTITIES
.
37
3.5.2.3
NORMALIZING
ACOUSTIC
DATA
TO
REFERENCE
DISTANCE
SOURCE
-
OBSERVER
.
39
3.5.2.4
PROPER
ORTHOGONAL
DECOMPOSITION
(POD)
WITH
THE
DIRECT
AND
SNAPSHOT
METHODS
.
39
3.5.2.5
SPECTRAL
PROPER
ORTHOGONAL
DECOMPOSITION
(SPOD)
.
41
4.
V
ERIFICATION
AND
VALIDATION
OF
THE
LBM
RESULTS
.
47
4.1
MESH
CONFIGURATIONS
STUDIED
.
47
4.2
RESULTS
.
48
4.2.1
STATIC
PRESSURE
DISTRIBUTION
.
48
4.2.2
WALL
PRESSURE
SPECTRUM
.
48
4.2.3
SPANWISE
CORRELATION
LENGTH
AND
COHERENCE
.
50
4.2.4
BOUNDARY
LAYER
AND
WAKE
CHARACTERISTICS
.
52
4.2.5
PAR-FIELD
NOISE
.
53
4.3
INTERMEDIATE
CONCLUSION
.
56
5.
R
ESULTS
:
F
AR
-
FIELD
ACOUSTICS
AND
UNSTEADY
FLOW
FIELD
.
57
5.1
ACOUSTIC
FAR
FIELD
.
57
5.1.1
SPECTRA
.
57
5.1.2
DIRECTIVITY
.
60
5.2
FLOW
FIELD
.
60
5.2.1
VELOCITY
FIELD
NEAR
THE
TE
.
60
5.2.2
SURFACE
PRESSURE
FLUCTUATIONS
.
67
5.2.3
POD
AND
SPOD
ANALYSIS
.
67
5.2.4
DATA
ACQUISITION
.
67
5.2.5
POD
.
69
5.2.6
SPOD
.
77
5.3
SCALING
OF
BTEN
.
87
6.
FINAL
CONCLUSION
AND
OUTLOOK
.
89
A
PPENDIX
A
.
B
OUNDARY
LAYER
TRIPPING
.
92
A
PPENDIX
B.
G
EOMETRIC
VS.
EFFECTIVE
ANGLE
OF
ATTACK
.
95
A
PPENDIX
C.
T
HE
PROBE
MICROPHONE
FOR
UNSTEADY
SURFACE
PRESSURE
MEASUREMENTS
.
96
A
PPENDIX
D.
A
ERODYNAMIC
EFFECT
OF
TRAILING
EDGE
TRUNCATION
.
97
XI
R
EFERENCES
.
99 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Stahl, Kathrin |
| author_facet | Stahl, Kathrin |
| author_role | aut |
| author_sort | Stahl, Kathrin |
| author_variant | k s ks |
| building | Verbundindex |
| bvnumber | BV049525897 |
| classification_rvk | ZO 7229 |
| ctrlnum | (OCoLC)1433011485 (DE-599)DNB1305971663 |
| discipline | Verkehr / Transport |
| edition | 1. Auflage |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV049525897 |
| illustrated | Illustrated |
| index_date | 2024-07-03T23:26:08Z |
| indexdate | 2024-12-06T13:05:16Z |
| institution | BVB |
| institution_GND | (DE-588)1064118135 |
| isbn | 9783844092851 3844092854 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-034871641 |
| oclc_num | 1433011485 |
| open_access_boolean | |
| owner | DE-83 |
| owner_facet | DE-83 |
| physical | XVIII, 104 Seiten Illustrationen, Diagramme 21 cm x 14.8 cm, 72 g |
| publishDate | 2023 |
| publishDateSearch | 2023 |
| publishDateSort | 2023 |
| publisher | Shaker Verlag |
| record_format | marc |
| series2 | Berichte aus der Steuerungs- und Regelungstechnik |
| spelling | Stahl, Kathrin aut Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads Kathrin Stahl Düren Shaker Verlag 2023 XVIII, 104 Seiten Illustrationen, Diagramme 21 cm x 14.8 cm, 72 g txt rdacontent n rdamedia nc rdacarrier Berichte aus der Steuerungs- und Regelungstechnik Dissertation Universität Siegen 2023 Schallabstrahlung (DE-588)4052019-5 gnd rswk-swf Fluid-Struktur-Wechselwirkung (DE-588)4314754-9 gnd rswk-swf Tragflügelaerodynamik (DE-588)4185832-3 gnd rswk-swf Tragflügelumströmung (DE-588)4185837-2 gnd rswk-swf Hinterkante (DE-588)1051821460 gnd rswk-swf blunt trailing edge noise vortex shedding noise airfoil turbomachinery wind turbine noise lattice-Boltzmann method LBM wind tunnel experiments far-field acoustics spectral proper orthogonal decomposition SPOD POD high Reynolds number flow (DE-588)4113937-9 Hochschulschrift gnd-content Hinterkante (DE-588)1051821460 s Tragflügelumströmung (DE-588)4185837-2 s Fluid-Struktur-Wechselwirkung (DE-588)4314754-9 s Tragflügelaerodynamik (DE-588)4185832-3 s Schallabstrahlung (DE-588)4052019-5 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=034871641&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p vlb 20231013 DE-101 https://d-nb.info/provenance/plan#vlb |
| spellingShingle | Stahl, Kathrin Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads Schallabstrahlung (DE-588)4052019-5 gnd Fluid-Struktur-Wechselwirkung (DE-588)4314754-9 gnd Tragflügelaerodynamik (DE-588)4185832-3 gnd Tragflügelumströmung (DE-588)4185837-2 gnd Hinterkante (DE-588)1051821460 gnd |
| subject_GND | (DE-588)4052019-5 (DE-588)4314754-9 (DE-588)4185832-3 (DE-588)4185837-2 (DE-588)1051821460 (DE-588)4113937-9 |
| title | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads |
| title_auth | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads |
| title_exact_search | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads |
| title_exact_search_txtP | Investigation of Blunt Trailing Edge Noise from an Asymmetric Airfoil under Different Aerodynamic Loads |
| title_full | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads Kathrin Stahl |
| title_fullStr | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads Kathrin Stahl |
| title_full_unstemmed | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads Kathrin Stahl |
| title_short | Investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads |
| title_sort | investigation of blunt trailing edge noise from an asymmetric airfoil under different aerodynamic loads |
| topic | Schallabstrahlung (DE-588)4052019-5 gnd Fluid-Struktur-Wechselwirkung (DE-588)4314754-9 gnd Tragflügelaerodynamik (DE-588)4185832-3 gnd Tragflügelumströmung (DE-588)4185837-2 gnd Hinterkante (DE-588)1051821460 gnd |
| topic_facet | Schallabstrahlung Fluid-Struktur-Wechselwirkung Tragflügelaerodynamik Tragflügelumströmung Hinterkante Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=034871641&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT stahlkathrin investigationofblunttrailingedgenoisefromanasymmetricairfoilunderdifferentaerodynamicloads |