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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林銘崇(Ming-Chung Lin) | |
| dc.contributor.author | Wei-Chun Hu | en |
| dc.contributor.author | 胡惟鈞 | zh_TW |
| dc.date.accessioned | 2021-06-13T06:47:02Z | - |
| dc.date.available | 2005-08-01 | |
| dc.date.copyright | 2005-08-01 | |
| dc.date.issued | 2005 | |
| dc.date.submitted | 2005-07-29 | |
| dc.identifier.citation | 1. 許泰文 “近岸水動力學”，中國土木水利工程學會，第18-20頁，2003年。
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A. and Subramanya, R. “Breaking criterion and characteristics for solitary waves on slopes,” Journal of Waterway, Port, Coastal, and OceanEngineering, A.S.C.E, Vol. 123, No. 3, pp. 102-112, (1997). 24. Hassan, Y. A. and Philip, O. G. “A new artifical neural network tracking technique for particle image velocimetry,” Experiments in Fluids, Vol. 23, pp.145-154, (1997). 25. Hayashi, T. and Hattori, M. “Pressure of the breaker against a vertical wall,” Coastal Eng. In Japan, Vol. 1, pp. 25-37, (1958). 26. Iversen, H. W. “Waves and breakers in shoaling water,” Proc. 3rd Conf. Coastal Eng., A.S.C.E., pp.1-12, (1952). 27. Kirkgoz, M. S. “Shock pressure of breaking waves on vertical walls,” J. Watweway Port Coastal & Ocean Div., A.S.C.E. Vol. 108, pp. 81-95, (1982). 28. Kjeldsen, S. P. and Myrhaug, D. “Breaking waves in deep water and resultant wave forces,” Proc. 11th Offshore Tech. Conf. Houston, Texas, Paper 3646, pp. 2515-2522, (1979). 29. Longuet-Higgins, M. S. “Breaking wave in deep water or shallow water,” Proc. 10th Symp on Naval Hydrodynamics, Off. Of Naval Res., pp. 597-605, (1974). 30. Longuet-Higgins, M. S. “Parametric Solution for Breaking Waves, ” J. Fluid Mech., Vol. 121, pp. 403-424, (1982). 31. Miller, R. L., Leverette, S. and O’Sollivan, J. “Field measurements of impact pressures in surf,” Proc. 14td Conf. Coastal Eng., A.S.C.E., Vol.3, pp. 1761-1777, (1974). 32. Ochi, M. K. and Tsai, C. H. “Prediction of impact pressure induced by breaking waves on vertical cylinders in random seas,” Appl. Ocean Res. 6, pp. 157-165, (1984). 33. Okamoto, K., Hassan, Y. A. and Schmidl, W. D. “New tracking algorithm for particle image velocimetry,” Experiments in Fluids, Vol. 19, pp. 342-347, (1995). 34. Oumeraci, H. and Partenscky, H. W. “Breaking wave impact loading of vertical structures – effect of entrapped air on structure response,” Proc. First Workshop, MAST G6-S: Research on Coastal structures, Hannover, Paper No. 8, pp. 19, (1991a). 35. Oumeraci, H. and Partenscky, H. W. “Breaking wave impact loading of caisson breakwaters – research strategy and result of small-scale investigation,” Proc. First Workshop, MAST G6-S: Research on Coastal structures, Hannover, Paper No. 7, pp. 23, (1991b). 36. Peregrine, D. H. “Breaking waves on beaches.” Ann. Rev. Fluid Mech. 15, pp. 149-178, (1983). 37. Peregrine, D.H. “Large-scale vorticity generation by breakers in shallow and deep water,” Eur. J. Mech. B/Fluids, (1999). 38. Richert, G. “Experiments investigation of shock pressures against breakwaters,” Proc. 11th Conf. Coastal Eng., A.S.C.E., Vol. 1, pp. 954-973, (1968). 39. Skyner, D. “A comparison of numerical predictions and experimental measurements of the internal kinematics of a deep water plunging wave,” J. Fluid Mech. Vol. 315, pp. 51-64, (1996). 40. Stansby, P. K. and Isaacson, M. “Recent developments in offshore hydrodynamics: workshop report.” Applied Ocean Research, 9(3), pp. 118-127, (1987). 41. Svendsen, I. A. and Putrevu, V. “Surf-zone hydrodynamics,” In Adv. Coastal Ocean Eng. 2, pp. 1-78, (1996). 42. Wei, G., Kirby, J. T., Grilli, S. T. and Subramanya, R. “A fully nonlinear Boussinesq model for surface waves, Part 1. Highly nonlinear unsteady waves,” J. Fluid Mech., Vol. 294, pp.71-92, (1995). 43. Whillock, A. F. “Measurements of forces resulting from normal and oblique wave approaches to small-scale sea walls,” Coastal Eng. Vol. 11, pp. 297-308, (1987). 44. Wiegel, R. L. “Oceanographical Engineering,” Prentice-Hall, Inc., New Jersey, pp. 532, (1964). 45. Zhang, S., Yue, D. K. P. and Tanizawa, K. “Simulation of plunging wave impact on a vertical wall,” J. Fluid Mech., Vol. 319, pp. 102-145, (1996). | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/35294 | - |
| dc.description.abstract | 本研究針對碎波之流場及其拍擊直立壁之鄰近區域進行量測，希望透過流場可視化之技術對拍擊過程的物理機制有進一步的了解。利用線性變頻之方式產生碎波，並使用粒子影像速度儀( Particle Image Velocimetry )量測碎波拍擊直立壁時之瞬時流場，比較有、無直立壁時碎波波形及其夾角的變化，並就各剖面之速度分佈進行探討。結果顯示當產生溢出型碎波時，碎波點之速度剖面分佈中在波峰上方1/3碎波波高之區域有向上線性遞增之垂向速度，越接近波峰其值越大，而當拍擊直立壁時，水平速度減低而向上之垂直速度增加，大致上在水深方向呈線性之趨勢。 | zh_TW |
| dc.description.abstract | Breaking-wave flow field and the flow field in the vicinity of breaking wave impact on a vertical wall are investigated in this research. Also, it’s anticipated that the knowledge of the mechanism of breaking wave impact on coastal structures can be improved through the flow visualization of impact process. Breaking waves are generated by a linearly-varying frequency wave train. Particle image velocimetry is used to measure the instant flow field of breaking-wave impacts. The comparisons of waveforms with and without a vertical wall will be made to see the differences of the wave crest angles. The each sectional speed is distributed and carried on the discussion. The result shows that when produce spilling breaking waves, the speed profile of above 1/3 wave height area has a linear increasing upward speed. When spilling breaking waves impact on a vertical wall, the speed profile indicates that the horizontal speed decreases and the upward vertical speed increases, and presents the linear trend along the direction of depth of water. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T06:47:02Z (GMT). No. of bitstreams: 1 ntu-94-F84525020-1.pdf: 3784096 bytes, checksum: c2656bad7c1d17972200f200d72d4d77 (MD5) Previous issue date: 2005 | en |
| dc.description.tableofcontents | 目 錄
內容 頁次 目錄 …………………………………………………………………. Ⅰ 中文摘要 ……………………………………………………………. Ⅲ 英文摘要 ……………………………………………………………. Ⅳ 表目錄 ………………………………………………………………. Ⅴ圖目錄 ………………………………………………………………. Ⅵ 第一章 緒論 ………………………………………………………. 1 1–1 文獻回顧 …………………………………………………...2 1–2 研究目的 …………………………………………………... 6 第二章 實驗佈置與研究方法 ……………………………………. 8 2–1 實驗設備 …………………………………………………... 8 2-1-1 實驗水槽 …………………………………………………..8 2-1-2 造波系統 ………………………………………………… 8 2-1-3 波高計量測系統 ………………………………………..9 2-1-4 PIV量測系統 ……………….……………………….…9 2–2 實驗佈置 ………………………………………………….10 2–3 造波方法 ………………………………………………….11 2–4 影像拍攝方法 .……………………………………………16 2–5 影像分析方法 ……...…………………………………….. 17 2-5-1 彈簧模式演算法 ………….……………...………………21 2-5-2 類神經網路法 ……………………………………………22 2-5-3 應用相關運算法之演算法 ………………………………24 2-5-4 Voronoi之演算法 ……………………………..…………26 第三章 實驗結果及討論 ………………………………………...32 3–1 有、無直立壁時波形之比較 …..………………………….32 3–2 有、無直立壁時之波峰夾角………………………………...36 3–3 影像波形變化 …………………………..………………….37 3–4 流場速度及剖面速度分佈 ..……………………………...39 3–5 波峰速度剖面分佈 ……..………………………………...52 第四章 結論與建議 ……………………………………………...54 4–1 結論 ……………………………………………………….54 4–2 建議 ……………………………………………………….55 參考文獻 …………………………………………………………….56 | |
| dc.language.iso | zh-TW | |
| dc.subject | 碎波 | zh_TW |
| dc.subject | 流場 | zh_TW |
| dc.subject | 直立壁 | zh_TW |
| dc.subject | breaking-wave | en |
| dc.subject | flow field | en |
| dc.subject | vertical wall | en |
| dc.title | 碎波拍擊直立壁之流場實驗量測 | zh_TW |
| dc.title | Experimental Flow Field Measurement of Breaking-Wave Impact on a Vertical Wall | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 93-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 丁肇隆(Chao-Lung Ting),蔡進發(Jing-Fa Tsai),許泰文(Tai-Wen Hsu),蕭松山(Sung-Shan Hsiao) | |
| dc.subject.keyword | 流場,碎波,直立壁, | zh_TW |
| dc.subject.keyword | flow field,breaking-wave,vertical wall, | en |
| dc.relation.page | 61 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2005-07-29 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 工程科學及海洋工程學研究所 | zh_TW |
| 顯示於系所單位： | 工程科學及海洋工程學系 | |
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