Coherent structures around obstacles on the boundary and the control of sediment transport by coherent eddies 底面上の物体周りの組織的渦構造と組織渦による土砂輸送の制御

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著者

    • 田中, 則夫 タナカ, ノリオ

書誌事項

タイトル

Coherent structures around obstacles on the boundary and the control of sediment transport by coherent eddies

タイトル別名

底面上の物体周りの組織的渦構造と組織渦による土砂輸送の制御

著者名

田中, 則夫

著者別名

タナカ, ノリオ

学位授与大学

東京大学

取得学位

工学博士

学位授与番号

甲第8951号

学位授与年月日

1991-03-29

注記・抄録

博士論文

目次

  1. Contents / p4 (0005.jp2)
  2. ABSTRACT / p2 (0003.jp2)
  3. ACKNOWLEDGMENTS / p3 (0004.jp2)
  4. NOMENCLATURE / p13 (0014.jp2)
  5. 1 INTRODUCTION / p1 (0017.jp2)
  6. 2 REVIEW OF PREVIOUS STUDIES AND SCOPE OF THE PRESENT STUDY / p5 (0021.jp2)
  7. 2.1 Review of Experimental Studies on Coherent Structures around Obstacles / p5 (0021.jp2)
  8. 2.2 Review of Experimental Studies on Coherent Structures around Obstacles in Stratified Flow / p9 (0025.jp2)
  9. 2.3 Scope of the Present Study / p10 (0026.jp2)
  10. I COHERENT STRUCTURES AROUND OBSTACLES ON THE BOUNDARY IN NEUTRALLY AND STABLY STRATIFIED FLOW / p11 (0027.jp2)
  11. 3 FLOW STRUCTURES AROUND A HEMISPHERE ON A FLAT PLATE IN NEUTRAL FLOW / p12 (0028.jp2)
  12. 3.1 General / p12 (0028.jp2)
  13. 3.2 Experimental Apparatus and Procedures / p12 (0028.jp2)
  14. 3.3 Vortex Structures behind the Hemisphere / p14 (0030.jp2)
  15. 3.4 Structure of the Recirculation Zone in front of the Hemisphere / p19 (0035.jp2)
  16. 3.5 Effect of Boundary Layer Thickness on the Recirculation Zone in front of and behind the Hemisphere / p26 (0042.jp2)
  17. 3.6 Effect of Obstacle Aspect Ratio on the Formation or the Shedding Strouhal Number / p29 (0045.jp2)
  18. 3.7 Effect of Water Depth and Roughness Height Ratio / p31 (0047.jp2)
  19. 3.8 Summary / p33 (0049.jp2)
  20. 4 CHARACTERISTICS OF THE COHERENT EDDIES BEHIND A HEMISPHERIC OBSTACLE ON A FLAT PLATE / p34 (0050.jp2)
  21. 4.1 General / p34 (0050.jp2)
  22. 4.2 Experimental Apparatus and Procedures / p34 (0050.jp2)
  23. 4.3 Flow behind Hemisphere / p36 (0052.jp2)
  24. 4.4 Velocity Field before and after the Coalescence / p48 (0064.jp2)
  25. 4.5 Summary / p51 (0067.jp2)
  26. 5 FLOW STRUCTURES AROUND A HEMISPHERE ON A FLAT PLATE IN STRATIFIED FLOW / p52 (0068.jp2)
  27. 5.1 General / p52 (0068.jp2)
  28. 5.2 Apparatus and Procedures / p52 (0068.jp2)
  29. 5.3 Flow Structures of Thick Stable Layer's Case / p54 (0070.jp2)
  30. 5.4 Flow Structures of Thin Stable Layer's Case / p59 (0075.jp2)
  31. 5.5 Characteristics of Front Separation Zone / p60 (0076.jp2)
  32. 5.6 Characteristics of Wake Flows / p63 (0079.jp2)
  33. 5.7 Summary / p69 (0085.jp2)
  34. II THE CONTROL OF SEDIMENT TRANSPORT BY COHERENT EDDIES IN FRONT OF A WEIR / p70 (0086.jp2)
  35. 6 ACCUMULATION OF SANDS IN FRONT OF A WEIR AND LIMIT OF LOCAL SCOUR / p71 (0087.jp2)
  36. 6.1 General / p71 (0087.jp2)
  37. 6.2 Analytical Approach / p71 (0087.jp2)
  38. 6.3 Experiment / p79 (0095.jp2)
  39. 6.4 Results and Discussions / p80 (0096.jp2)
  40. 6.5 Summary / p86 (0102.jp2)
  41. 7 PROMOTION OF SEDIMENT SUSPENSION UTILIZING COHERENT EDDIES AROUND AN OBSTACLE IN FRONT OF A WEIR / p87 (0103.jp2)
  42. 7.1 General / p87 (0103.jp2)
  43. 7.2 Experimental Apparatus and Procedures / p88 (0104.jp2)
  44. 7.3 Efficiency of an Obstacle as a Promotor of Suspended Sediments:Results of Experiments-A / p90 (0106.jp2)
  45. 7.4 Effect of the Obstacle as a Sediment Suspension Promotor in front of a Weir.:Results of Experiments-B / p94 (0110.jp2)
  46. 7.5 Summary / p98 (0114.jp2)
  47. 8 CONCLUSIONS / p100 (0116.jp2)
  48. 8.1 Coherent Structures around Obstacles on the Boundary / p100 (0116.jp2)
  49. 8.2 Control of Sediment Transport by Coherent Eddies / p102 (0118.jp2)
  50. REFERENCES / p103 (0119.jp2)
  51. APPENDIX A / p112 (0128.jp2)
  52. A.1 Water Channel / p112 (0128.jp2)
  53. A.2 Towing Tank System / p113 (0129.jp2)
  54. A.3 Data Processing Procedure Visualized by Dye / p115 (0131.jp2)
  55. A.4 Data Processing Procedure Visualized by Aluminum Particles / p116 (0132.jp2)
  56. APPENDIX B / p119 (0135.jp2)
  57. B.1 Details of Characteristics of Sands / p119 (0135.jp2)
  58. B.2 Concentration / p119 (0135.jp2)
  59. APPENDIX C / p121 (0137.jp2)
  60. C.1 Experiments on Changing Boundary Layer Thickness / p121 (0137.jp2)
  61. C.2 Experiments on Changing Water Depth and Roughness Height Ratio / p123 (0139.jp2)
  62. C.3 Experiments on Thick Stable Layer's Stratified Flow / p124 (0140.jp2)
  63. C.4 Experiments on Thin Stable Layer's Stratified Flow / p126 (0142.jp2)
  64. APPENDIX D / p129 (0145.jp2)
  65. D.1 Organized Structure around a Hemicylinder / p129 (0145.jp2)
  66. D.2 Average Velocity Field / p133 (0149.jp2)
  67. D.3 Summary / p136 (0152.jp2)
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各種コード

  • NII論文ID(NAID)
    500000081709
  • NII著者ID(NRID)
    • 8000000081917
  • DOI(NDL)
  • NDL書誌ID
    • 000000246023
  • データ提供元
    • NDL-OPAC
    • NDLデジタルコレクション
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