Separation control on a post-stall airfoil using acoustically generated perturbations:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | German |
| Published: |
Düsseldorf
VDI-Verl.
1997
|
| Edition: | Als Ms. gedr. |
| Series: | Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 7]
328 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XI, 158 S. Ill., graph. Darst. |
| ISBN: | 3183328070 |
Staff View
MARC
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| 100 | 1 | |a Erk, Patrick P. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Separation control on a post-stall airfoil using acoustically generated perturbations |c Patrick P. Erk |
| 250 | |a Als Ms. gedr. | ||
| 264 | 1 | |a Düsseldorf |b VDI-Verl. |c 1997 | |
| 300 | |a XI, 158 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 7] |v 328 | |
| 502 | |a Zugl.: Berlin, Techn. Univ., Diss. - Zsfassung in dt. Sprache | ||
| 650 | 0 | 7 | |a Reynolds-Zahl |0 (DE-588)4177959-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Grenzschichtablösung |0 (DE-588)4136915-4 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Tragflügelumströmung |0 (DE-588)4185837-2 |2 gnd |9 rswk-swf |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Tragflügelumströmung |0 (DE-588)4185837-2 |D s |
| 689 | 0 | 1 | |a Grenzschichtablösung |0 (DE-588)4136915-4 |D s |
| 689 | 0 | 2 | |a Reynolds-Zahl |0 (DE-588)4177959-9 |D s |
| 689 | 0 | |5 DE-604 | |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-007947555 | |
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| _version_ | 1807323501949878272 |
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| adam_text |
CONTENTS
ABSTRACT
VIII
ZUSAMMENFASSUNG
IX
LIST
OF
SYMBOLS
X
1
INTRODUCTION
1
2
EXPERIMENTAL
SETUP
AND
DATA
PROCESSING
5
2.1
AII-FOIL
MODEL
.
5
2.1.1
CRITERIA
FOR
PROFILE
SELECTION
.
5
2.1.2
DESIGN
OF
MODEL
.
7
2.1.3
DESIGN
OF
PERTURBATION
SOURCE
.
12
2.1.4
TRAVERSE
SYSTEMS
.
14
2.2
WIND-TUNNEL
CHARACTERISTICS
.
14
2.3
EXPERIMENTAL
METHODS
.
16
2.3.1
OIL-FLOW
VISUALIZATIONS
.
16
2.3.2
WIND-TUNNEL
BALANCE
.
17
2.3.3
PRESSURE
MEASUREMENTS
.
17
2.3.4
FREE-STREAM
VELOCITY
.
19
2.3.5
MICROPHONE
MEASUREMENTS
.
20
2.3.6
HOT-WIRE
MEASUREMENTS
.
20
2.4
MEASURING
DEVICES
AND
DATA
ACQUISITION
.
22
2.5
DATA
PROCESSING
.
22
2.5.1
STATISTICAL
PROCEDURES
.
22
2.5.2
DRAG
MEASUREMENTS
.
26
2.5.3
CORRECTION
OF
AERODYNAMIC
DATA
.
26
2.5.4
PRESENTATION
TECHNIQUES
.
26
3
BASIC
FLOW
WITHOUT
PERTURBATIONS
28
3.1
STATE
OF
THE
ART
.
28
VI
CONTENTS
3.1.1
TYPES
OF
SEPARATION
ON
AIRFOILS
.
28
3.1.2
FLOW
AT
HIGH
ANGLES
OF
ATTACK
.
29
3.2
EXPERIMENTAL
RESULTS
.
31
3.2.1
PRESSURE
MEASUREMENTS
.
31
3.2.2
FLOW
VISUALIZATIONS
.
33
3.2.3
BALANCE
DATA
.
40
3.2.4
VELOCITY
MEASUREMENTS
.
41
3.2.5
VALIDITY
CHECKS
.
48
3.2.6
REMARKS
ON
THE
NUMERICAL
SIMULATION
.
49
3.3
SUMMARY
.
50
4
AIRFOIL
EXPERIMENTS
WITH
STALL
CONTROL
52
4.1
STATE
OF
THE
ART
.
52
4.1.1
STALL
CONTROL
WITH
INTERNAL
ACOUSTIC
EXCITATION
.
52
4.1.2
CHARACTERIZATION
OF
PERTURBATION
STRENGTH
.
53
4.2
DIMENSIONAL
ANALYSIS
.
54
4.3
REATTACHMENT
OF
LEADING-EDGE
FLOW
.
57
4.3.1
OIL-FLOW
VISUALIZATION
.
57
4.3.2
EFFECT
OF
FORCING
ON
LIFT
CURVE
.
60
4.3.3
PRESSURE
MEASUREMENTS
.
60
4.3.4
VELOCITY
PROFILES
.
63
4.3.5
VELOCITY
AUTOSPECTRA
.
69
4.4
LIFT
SATURATION
.
73
4.4.1
BALANCE
DATA
.
73
4.4.2
PRESSURE
MEASUREMENTS
.
75
4.4.3
VELOCITY
PROFILES
.
78
4.4.4
PHASE-AVERAGED
VELOCITY
PROFILES
.
82
4.5
LIFT
HYSTERESIS
.
84
4.5.1
PRESSURE
SCANS
.
85
4.5.2
BALANCE
DATA
.
88
4.5.3
VELOCITY
PROFILES
.
88
4.5.4
EFFECT
OF
TURBULATORS
.
90
4.6
WAKE
PROFILES
.
90
4.7
EFFECT
OF
SINE-SWEEP
FORCING
.
93
4.8
SUMMARY
.
94
5
NEAR
FIELD
OF
THE
PERTURBATION
SOURCE
96
5.1
STATE
OF
THE
ART
.
96
5.1.1
SEPARATION
CONTROL
USING
STRONG
ACOUSTIC
PERTURBATIONS
.
96
5.1.1.1
CYLINDERS
.
97
5.1.1.2
AIRFOILS
.
98
CONTENTS
VH
5.1.1.3
DIFFUSERS
.
98
5.1.1.4
OTHER
CONFIGURATIONS
.
98
5.1.2
FLOW
PROPERTIES
OF
HELMHOLTZ
RESONATORS
.
99
5.1.2.1
RESONATORS
WITHOUT
CROSS-FLOW
.
99
5.1.2.2
DRIVEN
RESONATOR
WITH
CROSS-FLOW
.
100
5.1.3
MOTIVATION
.
102
5.2
EXPERIMENTAL
SET-UP
.
102
5.3
THEORETICAL
APPROACHES
.
104
5.4
OSCILLATING
SLOT-FLOW
WITHOUT
CROSS-FLOW
.
104
5.4.1
NAMING
CONVENTIONS
.
104
5.4.2
FLOW
VISUALIZATIONS
.
106
5.4.3
VELOCITY
MEASUREMENTS
.
108
5.5
OSCILLATING
SLOT-FLOW
WITH
CROSS-FLOW
.
116
5.5.1
FLOW
VISUALIZATIONS
.
116
5.5.2
VELOCITY
MEASUREMENTS
.
119
5.6
SUMMARY
.
122
6
CONCLUSIONS
123
A
PROPERTIES
OF
PHASE
AVERAGES
127
A.1
PHASE
AVERAGING
AS
FILTER
PROCESS
.
127
A.2
STATISTICAL
ERRORS
IN
THE
PHASE
AVERAGE
.
129
B
EFFECT
OF
SPANWISE
SLOT
GEOMETRY
131
C
SLOT
FLOW:
THEORETICAL
APPROACHES
134
C.L
SPANWISE
STANDING
WAVES
.
134
C.2
BERNOULLI
EQUATION
FOR
OSCILLATING
SLOT
FLOW
.
135
D
EFFECT
OF
SLOT
GEOMETRY
143
REFERENCES
148
INDEX
155 |
| any_adam_object | 1 |
| author | Erk, Patrick P. |
| author_facet | Erk, Patrick P. |
| author_role | aut |
| author_sort | Erk, Patrick P. |
| author_variant | p p e pp ppe |
| building | Verbundindex |
| bvnumber | BV011776090 |
| classification_rvk | UF 1090 |
| classification_tum | MTA 420d VER 520d |
| ctrlnum | (OCoLC)75817675 (DE-599)BVBBV011776090 |
| discipline | Physik Verkehrstechnik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV011776090 |
| illustrated | Illustrated |
| indexdate | 2024-08-14T01:13:24Z |
| institution | BVB |
| isbn | 3183328070 |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-007947555 |
| oclc_num | 75817675 |
| open_access_boolean | |
| owner | DE-210 DE-91G DE-BY-TUM DE-83 |
| owner_facet | DE-210 DE-91G DE-BY-TUM DE-83 |
| physical | XI, 158 S. Ill., graph. Darst. |
| publishDate | 1997 |
| publishDateSearch | 1997 |
| publishDateSort | 1997 |
| publisher | VDI-Verl. |
| record_format | marc |
| series2 | Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 7] |
| spelling | Erk, Patrick P. Verfasser aut Separation control on a post-stall airfoil using acoustically generated perturbations Patrick P. Erk Als Ms. gedr. Düsseldorf VDI-Verl. 1997 XI, 158 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI / 7] 328 Zugl.: Berlin, Techn. Univ., Diss. - Zsfassung in dt. Sprache Reynolds-Zahl (DE-588)4177959-9 gnd rswk-swf Grenzschichtablösung (DE-588)4136915-4 gnd rswk-swf Tragflügelumströmung (DE-588)4185837-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Tragflügelumströmung (DE-588)4185837-2 s Grenzschichtablösung (DE-588)4136915-4 s Reynolds-Zahl (DE-588)4177959-9 s DE-604 7] Verein Deutscher Ingenieure: [Fortschritt-Berichte VDI 328 (DE-604)BV001897069 328 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007947555&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Erk, Patrick P. Separation control on a post-stall airfoil using acoustically generated perturbations Reynolds-Zahl (DE-588)4177959-9 gnd Grenzschichtablösung (DE-588)4136915-4 gnd Tragflügelumströmung (DE-588)4185837-2 gnd |
| subject_GND | (DE-588)4177959-9 (DE-588)4136915-4 (DE-588)4185837-2 (DE-588)4113937-9 |
| title | Separation control on a post-stall airfoil using acoustically generated perturbations |
| title_auth | Separation control on a post-stall airfoil using acoustically generated perturbations |
| title_exact_search | Separation control on a post-stall airfoil using acoustically generated perturbations |
| title_full | Separation control on a post-stall airfoil using acoustically generated perturbations Patrick P. Erk |
| title_fullStr | Separation control on a post-stall airfoil using acoustically generated perturbations Patrick P. Erk |
| title_full_unstemmed | Separation control on a post-stall airfoil using acoustically generated perturbations Patrick P. Erk |
| title_short | Separation control on a post-stall airfoil using acoustically generated perturbations |
| title_sort | separation control on a post stall airfoil using acoustically generated perturbations |
| topic | Reynolds-Zahl (DE-588)4177959-9 gnd Grenzschichtablösung (DE-588)4136915-4 gnd Tragflügelumströmung (DE-588)4185837-2 gnd |
| topic_facet | Reynolds-Zahl Grenzschichtablösung Tragflügelumströmung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007947555&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV001897069 |
| work_keys_str_mv | AT erkpatrickp separationcontrolonapoststallairfoilusingacousticallygeneratedperturbations |