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Accession number:       
20134516945331
        Title:        Adjustment of new permeable frame to local flow vector field
        Authors:         Ma, Ai-Xing1; Liu, Si-En2; Tan, Lun-Wu3; Cao, Min-Xiong1; Wang, Xiu-Hong1
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СÂí¸ç1982: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-11-22 15:35:52
oven1986: ¼ìË÷EPI+1, ¸ÐлÄãµÄÈÈÐÄÓ¦Öú£¡ 2013-11-22 18:27:17
Accession number:  20134516945331

  Title:  Adjustment of new permeable frame to local flow vector field
  Authors:  Ma, Ai-Xing1; Liu, Si-En2; Tan, Lun-Wu3; Cao, Min-Xiong1; Wang, Xiu-Hong1  
  Author affiliation:  1 Nanjing Hydraulic Research Institute, State's Key Laboratory of Hydrology Water Resources and Hydraulic Engineering Science, Nanjing, China  
   2 Delft University of Technology, Delft, Netherlands  
   3 Changjiang Waterway Planning Design and Research Institute, Wuhan, China  
  Source title:  Hydraulic Engineering II - Proceedings of the 2nd SREE Conference on Hydraulic Engineering, CHE 2013
  Abbreviated source title:  Hydraul. Eng. - Proc. SREE Conf. Hydraul. Eng., CHE
  Monograph title:  Hydraulic Engineering II - Proceedings of the 2nd SREE Conference on Hydraulic Engineering, CHE 2013
  Issue date:  2014
  Publication year:  2014
  Pages:  141-147
  Language:  English
  ISBN-13:  9781138001305  
  Document type:  Conference article (CA)
  Conference name:  2nd SREE Conference on Hydraulic Engineering, CHE 2013
  Conference date:  November 2, 2013 - November 3, 2013
  Conference location:  Hong Kong, Hong kong
  Conference code:  100505  
  Publisher:  Taylor & Francis - Balkema, P.O. Box 447, Leiden, 2300 AK, Netherlands
  Abstract:  Permeable frames have been widely applied in river and channel regulation since they serve the function of decelerating flow velocity and thus protecting bank and beaches from water erosion. Three-dimensional velocity meter (Vectrino) is used to measure the flow vector filed precisely near the newly-proposed twist double I-shaped permeable frames on varible slope flume. The study reveals that when new permeable frames are thrown on the bed, the velocity of near-bottom layer plummets (deceleration rate of 0.79 to 0.95), the surface velocity increases, the gradient of transition layer velocity increases, and the vertical velocity no longer obeys the logarithmic distribution; the largest vertical turbulence intensity appears near the top of the frames, turbulence intensity gradually strengthens after the water flows into the frames, and reaches the peak when flowing out of the frames. The peak location of turbulence intensity of the surface lies in the downstream when compared with that of bottom. The findings have certain reference values on the design and application of new permeable frame. © 2014 Taylor & Francis Group, London.
  Number of references:  7
  Main heading:  Velocity  
  Controlled terms:  Hydraulic structures  -  Hydraulics  -  Shore protection  -  Turbulence  
  Uncontrolled terms:  Channel regulation  -  Decelerating flow  -  Deceleration rate  -  Design and application  -  Logarithmic distribution  -  Three-dimensional velocity  -  Transition layers  -  Turbulence intensity  
  Classification code:  407.1 Maritime Structures -  441 Dams and Reservoirs; Hydro Development -  443.1 Atmospheric Properties -  611 Hydroelectric and Tidal Power Plants -  632.1 Hydraulics -  931.1 Mechanics
  Database:  Compendex
   Compilation and indexing terms, © 2013 Elsevier Inc.
2Â¥2013-11-22 15:20:05
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