Experimental investigation of channel flow rotating about the streamwise axis:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2008
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| Schriftenreihe: | Berichte aus der Strömungstechnik
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VIII, 106 S. Ill., graph. Darst. |
| ISBN: | 9783832275013 |
Internformat
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| 245 | 1 | 0 | |a Experimental investigation of channel flow rotating about the streamwise axis |c Ingo Recktenwald |
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Datensatz im Suchindex
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| adam_text | EXPERIMENTAL INVESTIGATION OF CHANNEL FLOW ROTATING ABOUT THE STREAMWISE
AXIS VON DER FAKULTAT FUR MASCHINENWESEN DER RHEINISCH-WESTFALISCHEN
TECHNISCHEN HOCHSCHULE AACHEN ZUR ERLANGUNG DES AKADEMISCHEN GRADES
EINES DOKTORS DER INGENIEURWISSENSCHAFTEN GENEHMIGTE DISSERTATION
VORGELEGT VON INGO RECKTENWALD AUS EMSDETTEN BERICHTER: UNIV.-PROF.
DR.-ING. WOLFGANG SCHRODER UNIV.-PROF. DR.-ING. HERBERT OLIVIER TAG DER
MIINDLICHEN PRIIFUNG: 02. APRIL 2008 CONTENTS CONTENTS CONTENTS I
ABSTRACT V DEFINITIONS VII 1 INTRODUCTION 1 1.1 ROTATING CHANNEL FLOWS
,-. 1 1.2 ROTATION ABOUT THE STREAMWISE AXIS IN NUMERICAL SIMULATIONS 3
1.2.1 THE CORIOLIS EFFECT , 5 2 PARTICLE-IMAGE VELOCIMETRY 7 2.1 SEEDING
7 2.2 LIGHTING . . 8 2.3 IMAGE RECORDING 8 2.4 STEREOSCOPIC SETUP,
SCHEIMPFLUG CONDITION 9 2.5 CROSS-CORRELATION AND VELOCITY CALCULATION
10 2.6 POST-PROCESSING 12 2.6.1 STEREOSCOPIC RECONSTRUCTION (2D-3C PIV)
12 3 EXPERIMENTAL SETUP 15 3.1 CHANNEL SETUP * 15 3.1.1 FLOW CIRCUIT 19
3.1.1.1 FLOW REGULATION AND CIRCUIT CONNECTION 20 3.1.1.2 FLOW
STRAIGHTENING AND TRANQUILLIZATION 21 3.1.2 ROTATION SYSTEM 22 II
CONTENTS 3.2 PIV-SYSTEM 23 3.2.1 MEASUREMENT PLANES 23 3.2.2 CAMERA
SETUP 23 3.2.3 PIV ALGORITHM 25 3.2.4 CALIBRATION OF THE OPTICAL SYSTEM
26 3.2.5 CAMERA ADJUSTMENT 27 3.3 ACCURACY EVALUATION 28 3.3.1
ABERRATIONS AND OPTICAL ERRORS 28 3.3.1.1 RAY EMISSION FROM THE CHANNEL
28 3.3.1.2 ANGLE OF INCIDENCE ONTO THE SENSOR CHIP 28 3.3.1.3 INFLUENCE
OF THE CENTRIFUGAL FORCES 30 3.3.2 IMAGE PROCESSING 31 3.3.2.1 SPATIAL
RESOLUTION 31 3.3.2.2 TEMPORAL RESOLUTION . 32 3.3.3 PARTICLE
PROPERTIES 32 3.3.4 STEREOSCOPIC RECONSTRUCTION 32 3.3.5 WALL REGION 33
3.3.6 OVERALL ACCURACY RATING . 34 4 RESULTS 35 4.1 OVERVIEW OF THE
MEASURING PROGRAMME 36 4.2 TURBULENT CHANNEL FLOW 36 4.2.1 VARIATION OF
RO M AT W = 100 CM 37 4.2.1.1 MEAN MAIN VELOCITY PROFILE 37 4.2.1.2 MEAN
SECONDARY VELOCITY PROFILE 40 4.2.1.3 REYNOLDS STRESSES 42 4.2.1.4
CORIOLIS EFFECT 48 4.2.1.5 TWO-POINT CORRELATIONS 49 4.2.1.6 QUADRANT
ANALYSIS 52 4.2.1.7 DEGREE OF ANISOTROPY OF THE FLUCTUATIONS 54 4.2.2
CHANNEL WIDTH VARIATION 58 CONTENTS III 4.2.2.1 MEAN VELOCITY PROFILES
58 4.2.2.2 REYNOLDS STRESSES 59 4.3 LOW REYNOLDS NUMBER CHANNEL FLOW 63
4.3.1 MEASUREMENTS OF THE FLOW AT RE M J = 635 65 4.3.2 MEASUREMENTS AT
INCREASING AND DECREASING RO MT I 66 4.4 COMPARISON WITH DATA FROM
DIRECT NUMERICAL SIMULATIONS 70 4.4.1 NUMERICAL METHOD 70 4.4.2
COMPUTATIONAL DETAILS 70 4.4.3 MEAN PROFILES 70 4.4.4 REYNOLDS STRESSES
74 4.4.4.1 TWO-POINT CORRELATIONS 75 4.5 COMPARISON WITH DATA FROM
LARGE-EDDY SIMULATIONS 79 4.5.1 LARGE-EDDY SIMULATION 79 4.5.2 BOUNDARY
CONDITIONS AND GRID RESOLUTION 80 4.5.2.1 MEAN PROFILES IN LES 80
4.5.2.2 COMPARISON OF THE RMS-VALUES OF EXPERIMENT AND LES . . 82
4.5.2.3 COMPARISON OF THE TWO-POINT CORRELATIONS OF EXPERIMENT AND LES
83 4.5.2.4 COHERENT STRUCTURES 86 5 SUMMARY AND,CONCLUSIONS R 89
LITERATURE 92 A COLOR IMAGES 99 A.I THE CORIOLIS EFFECT 100 A.2 VELOCITY
FIELDS 101 A.3 CORIOLIS ACCELERATION 105 A.4 COHERENT STRUCTURES 106
|
| any_adam_object | 1 |
| author | Recktenwald, Ingo 1967- |
| author_GND | (DE-588)136123406 |
| author_facet | Recktenwald, Ingo 1967- |
| author_role | aut |
| author_sort | Recktenwald, Ingo 1967- |
| author_variant | i r ir |
| building | Verbundindex |
| bvnumber | BV035261535 |
| ctrlnum | (OCoLC)263409799 (DE-599)BVBBV035261535 |
| dewey-full | 620.10640287 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620.10640287 |
| dewey-search | 620.10640287 |
| dewey-sort | 3620.10640287 |
| dewey-tens | 620 - Engineering and allied operations |
| format | Thesis Book |
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| id | DE-604.BV035261535 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T21:29:53Z |
| institution | BVB |
| isbn | 9783832275013 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017067048 |
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| physical | VIII, 106 S. Ill., graph. Darst. |
| publishDate | 2008 |
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| publisher | Shaker |
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| series2 | Berichte aus der Strömungstechnik |
| spelling | Recktenwald, Ingo 1967- Verfasser (DE-588)136123406 aut Experimental investigation of channel flow rotating about the streamwise axis Ingo Recktenwald Aachen Shaker 2008 VIII, 106 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berichte aus der Strömungstechnik Zugl.: Aachen, Techn. Hochsch., Diss., 2008 Wasserkanal - Kanalströmung - Rotationsströmung - Sekundärströmung - Strömungsfeld - Particle-Image-Velocimetry Sekundärströmung (DE-588)4180802-2 gnd rswk-swf Wasserkanal (DE-588)4289289-2 gnd rswk-swf Strömungsfeld (DE-588)4058078-7 gnd rswk-swf Rotationsströmung (DE-588)4178508-3 gnd rswk-swf Particle-Image-Velocimetry (DE-588)4333165-8 gnd rswk-swf Kanalströmung (DE-588)4137410-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Wasserkanal (DE-588)4289289-2 s Kanalströmung (DE-588)4137410-1 s Rotationsströmung (DE-588)4178508-3 s Sekundärströmung (DE-588)4180802-2 s Strömungsfeld (DE-588)4058078-7 s Particle-Image-Velocimetry (DE-588)4333165-8 s DE-604 HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017067048&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Recktenwald, Ingo 1967- Experimental investigation of channel flow rotating about the streamwise axis Wasserkanal - Kanalströmung - Rotationsströmung - Sekundärströmung - Strömungsfeld - Particle-Image-Velocimetry Sekundärströmung (DE-588)4180802-2 gnd Wasserkanal (DE-588)4289289-2 gnd Strömungsfeld (DE-588)4058078-7 gnd Rotationsströmung (DE-588)4178508-3 gnd Particle-Image-Velocimetry (DE-588)4333165-8 gnd Kanalströmung (DE-588)4137410-1 gnd |
| subject_GND | (DE-588)4180802-2 (DE-588)4289289-2 (DE-588)4058078-7 (DE-588)4178508-3 (DE-588)4333165-8 (DE-588)4137410-1 (DE-588)4113937-9 |
| title | Experimental investigation of channel flow rotating about the streamwise axis |
| title_auth | Experimental investigation of channel flow rotating about the streamwise axis |
| title_exact_search | Experimental investigation of channel flow rotating about the streamwise axis |
| title_full | Experimental investigation of channel flow rotating about the streamwise axis Ingo Recktenwald |
| title_fullStr | Experimental investigation of channel flow rotating about the streamwise axis Ingo Recktenwald |
| title_full_unstemmed | Experimental investigation of channel flow rotating about the streamwise axis Ingo Recktenwald |
| title_short | Experimental investigation of channel flow rotating about the streamwise axis |
| title_sort | experimental investigation of channel flow rotating about the streamwise axis |
| topic | Wasserkanal - Kanalströmung - Rotationsströmung - Sekundärströmung - Strömungsfeld - Particle-Image-Velocimetry Sekundärströmung (DE-588)4180802-2 gnd Wasserkanal (DE-588)4289289-2 gnd Strömungsfeld (DE-588)4058078-7 gnd Rotationsströmung (DE-588)4178508-3 gnd Particle-Image-Velocimetry (DE-588)4333165-8 gnd Kanalströmung (DE-588)4137410-1 gnd |
| topic_facet | Wasserkanal - Kanalströmung - Rotationsströmung - Sekundärströmung - Strömungsfeld - Particle-Image-Velocimetry Sekundärströmung Wasserkanal Strömungsfeld Rotationsströmung Particle-Image-Velocimetry Kanalströmung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017067048&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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