請用此 Handle URI 來引用此文件：
http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/30555完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 卡艾瑋(Hervé Capart) | |
| dc.contributor.author | Tai-An Chi | en |
| dc.contributor.author | 紀泰安 | zh_TW |
| dc.date.accessioned | 2021-06-13T02:08:08Z | - |
| dc.date.available | 2008-07-16 | |
| dc.date.copyright | 2007-07-16 | |
| dc.date.issued | 2007 | |
| dc.date.submitted | 2007-06-28 | |
| dc.identifier.citation | Armanini, A., Capart, H., Fraccarollo, L., and Larcher, M. (2005) Rheological stratification in experimental free-surface flows of granular-liquid mixtures. J. Fluid Mech. 532, 269–319.
Bagnold, R.A. (1954) Experiments on a gravity-free dispersion of large solid spheres in a Newtonian fluid under shear. Proc. Roy. Soc. London A 225, 49–63. Cassar, C., Nicolas, M., and Pouliquen, O. (2005) Submarine granular flows down inclined planes. Phys. Fluids 17, art. no. 103301. Chang, C.S. (2002) Design blueprint for adjustable slope conveyer belt flume. Chen-Sheng Mechanical Engineering Co., Ltd. Dimitrios Ioannou, Walter Huda, Andrew F. Laine, (1999) Circle recognition through a 2D Hough Transform and radius histogramming. Image and Vision Computing 17 (1999) 15–26 Davies, T.R. (1988) Debris flow surges: a laboratory investigation. Laboratory of Hydraulics, Hydrology and Glaciology, ETH-Zurich, Report 96. H.Capart (2006) Particle FlowImaging class toolbox. Haam, S. J., Brodkey, R. S., Fort, I., Klaboch, L., Placnik, M. and Vanecek, V. (2000) Laser Doppler anemometry measurements in an index of refraction matched column in the presence of dispersed beads – Part I. Int. J. Multiphase Flow 26, 1401–1418. Hsu, H.C., and Capart, H. (2007) Enhanced upswing in immersed collisions of tethered spheres. Submitted to Physics of Fluids. Huang, A.Y.L., Huang, M.Y.F., Capart, H., and Chen, R.H. Optical measurements of pore geometry and fluid velocity in a bed of irregularly packed spheres. Submitted to Experiments in Fluids. Hunt, M.L., Zenit, R., Campbell, C.S., and Brennen, C.E. (2002) Revisiting the 1954 suspension experiments of R.A. Bagnold. J. Fluid Mech. 452, 1-24. Perng, A.T.H., Capart, H., and Chou, H.T. (2006) Granular motions and patterns in slow uniform flows driven by an inclined conveyor belt. Granular Matter 8(1), 5–17. Savage, S.B., and Dai, R. (1993) Studies of granular shear flows. Wall slip velocities , ‘layering’ and self-diffusion. Mechanics of Materials 16, 225-238. Spinewine, B., Capart, H., Larcher, M., and Zech, Y. (2003) Three-dimensional Voronoï imaging methods for the measurement of near-wall particulate flows. Exp. Fluids 34(2), 227–241. Yang, F.-L., and Hunt, M.L. (2006) Dynamics of particle-particle collisions in a viscous liquid. Phys. Fluids 18, art. no. 121506. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/30555 | - |
| dc.description.abstract | 本論文使用一個內含輸送帶的水槽和新穎的量測技術來實驗高濃度固液二相流之流場分析。該水槽可用來產生穩定之均勻自由液面，並使其在控制的條件下流動。在流體內的粒子濃度和運動速度，透過透明的固液二相流(使用折射率相同之液體與顆粒)來獲得，並且使用一條雷射切頁照亮橫斷面。 當顆粒穿過雷射切頁時，球形的粒子會產生一亮環，利用此現象來量測濃度和流速分佈。 這些量測值可用來分析粒子分布的濃度，剪應變率和層與層間剪力的關連性。 | zh_TW |
| dc.description.abstract | Flows of concentrated solid-liquid mixtures are studied experimentally using a moving belt flume and novel measurement techniques. The flume is used to produce steady uniform free-surface flows under controlled conditions. Measurements of particle concentration and motions inside the mixture are obtained by making the mixture transparent (using refractive index matching), and illuminating a cross section using a laser light sheet. As they cross the light sheet, the spherical particles produce bright halos, which can be interpreted to obtain concentration and velocity measurements. These measurements are analyzed to examine relationships between solid concentration, shear rate, and inter-layer stresses. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T02:08:08Z (GMT). No. of bitstreams: 1 ntu-96-R94521317-1.pdf: 35016371 bytes, checksum: b0a2f0fe4d69116647415a995b698b7a (MD5) Previous issue date: 2007 | en |
| dc.description.tableofcontents | 誌謝 ii
摘要 iii Abstract iv Contents v Figure list vi Table List ix 1. Introduction 1 2. Experimental facility 4 2.1 Flume 5 2.2 Liquid and solid materials 6 2.3 Drums and conveyer belt 8 2.4 Liquid recirculation system 10 2.5 Laser illumination system 12 2.6 Imaging system 14 3. Image processing 16 3.1 Image rectification 17 3.2 The X-ray cross section 22 3.3 Time Slice 23 3.4 Particle capture 25 3.5 Concentration profile 30 3.6 Velocity profile 31 4. Results and analysis 32 4.1 Definitions 33 4.2 Experimental conditions 35 4.3 Case N15Q30U1 37 4.4 Case N15Q30U5 39 4.5 Case N15Q30U9 41 4.6 Case N25Q30U1 43 4.7 Case N25Q30U5 45 4.8 Case N25Q30U9 47 4.9 Comparison 49 5. Conclusions and further work 59 References 60 | |
| dc.language.iso | en | |
| dc.subject | 雷射切頁 | zh_TW |
| dc.subject | 土石流 | zh_TW |
| dc.subject | 固液二相流 | zh_TW |
| dc.subject | laser slice | en |
| dc.subject | solid-liquid two phase flows | en |
| dc.subject | debris flow | en |
| dc.title | 以雷射切頁之亮環分析固液二相流斷面流場分布 | zh_TW |
| dc.title | Laser halo measurements of solid–liquid two phase flows | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 95-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 方中(Fang, Chung),周憲德(Hsien-Ter Chou),楊馥菱(Fu-Ling Yang) | |
| dc.subject.keyword | 土石流,固液二相流,雷射切頁, | zh_TW |
| dc.subject.keyword | debris flow,solid-liquid two phase flows,laser slice, | en |
| dc.relation.page | 61 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2007-07-02 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 土木工程學研究所 | zh_TW |
| 顯示於系所單位： | 土木工程學系 | |
文件中的檔案：
| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-96-1.pdf 未授權公開取用 | 34.2 MB | Adobe PDF |
系統中的文件，除了特別指名其著作權條款之外，均受到著作權保護，並且保留所有的權利。