Kucukali, Serhat

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University of Massachusetts AmherstScholarWorks@UMass AmherstInternational Conference on Engineering andEcohydrology for Fish PassageInternational Conference on Engineering andEcohydrology for Fish Passage 2016Jun 21st, 4:45 PM - 5:00 PMFish Passage Studies III: Flow and TurbulenceStructure in Brush Fish PassSerhat KucukaliFollow this and additional works at: https://scholarworks.umass.edu/fishpassage_conferenceThis Event is brought to you for free and open access by the Fish Passage Community at UMass Amherst at ScholarWorks@UMass Amherst. It hasbeen accepted for inclusion in International Conference on Engineering and Ecohydrology for Fish Passage by an authorized administrator ofScholarWorks@UMass Amherst. For more information, please contact scholarworks@library.umass.edu.Kucukali, Serhat, "Fish Passage Studies III: Flow and Turbulence Structure in Brush Fish Pass" (2016). International Conference onEngineering and Ecohydrology for Fish Passage. 24.https://scholarworks.umass.edu/fishpassage_conference/2016/June21/24Flow and turbulence structure in brush fish passProf. Serhat Kucukali Advantages of Brush Fish Pass1) Vibrations of Bristles: Guidance for Fishes and Favorable Hydraulic Conditions2) Suitable for Small and Weak Swimming Capacity Fish3) Social Benefit: Passage of CanoesShared ValueFish Monitoring Studies in Brush Fish Pass : Spreewald, BerlinUNESCO Biosphere ReserveComparison of Fish Length Distributions in Brush and Vertical Slot Passes Physical Model of Brush Fish PassScale=1:2 (Froude Similarity) This work is supported by the Scientific and Technical Research Council of Turkey under Scientific and Technological Research Projects Funding Program (3001 TUBITAK) grant with agreement number 214M518Flow Resistance of Brush Elements= LayoutSAhdfunf ow ;;;Point Velocity DistributionsSection DPoint y (cm) z (cm) V (m/s)V11 5 0.5 0.24V12 5 5 0.37V13 5 10 0.33V14 5 15 0.39V15 5 19 0.3V21 10 0.5 0.43V22 10 5 0.5V23 10 10 0.57V24 10 15 0.54V25 10 19 0.43V31 20 0.5 0.08V32 20 5 0.3V33 20 10 0.34V34 20 15 0.33V35 20 19 0.24V41 30 0.5 0.4V42 30 5 0.52V43 30 10 0.57V44 30 15 0.53V45 30 19 0.3V51 35 0.5 0.45V52 35 5 0.25V53 35 10 0.25V54 35 15 0.3V55 35 19 0.26So 4%Aw (m2/m2) L=15 cm Q (l/s) 27.3051015200.3 0.4 0.5 0.6z (cm)V (m/s)Typical Velocity ProfileMesspunkt vavr [m/s] vmin [m/s] vmax [m/s]A 0,67 0,59 0,74D 0,51 0,51 0,39B 0,30 0,08 0,54C + E 0,11 0,04 0,21FlowABBCCDDEField Measurments  Data Source: Mosch (2007)S=5%Experimental Test ResultsTest No So Q  (l/s)d (mm) d/hAw(m2/m2)V (m/s) f Re Fr∆P  (W/m3)1 2% 8.5 111.5 0.48 0.016 0.19 3.10 5.46E+04 0.18 37.42 2% 15.1 153.7 0.67 0.016 0.25 2.26 8.54E+04 0.20 48.23 2% 18.3 173.5 0.75 0.016 0.26 2.10 9.80E+04 0.20 51.74 2% 21.2 192.5 0.84 0.016 0.28 2.03 1.08E+05 0.20 54.05 2% 24.9 209.8 0.91 0.016 0.30 1.83 1.22E+05 0.21 58.26 2% 27.2 225.9 0.98 0.016 0.30 1.84 1.28E+05 0.20 59.17 4% 8.5 93.3 0.41 0.016 0.23 3.85 5.80E+04 0.24 89.48 4% 15.1 131.5 0.57 0.016 0.29 3.02 9.11E+04 0.25 112.79 4% 18.3 150.0 0.65 0.016 0.30 2.89 1.05E+05 0.25 119.710 4% 21.2 169.6 0.74 0.016 0.31 2.95 1.15E+05 0.24 122.611 4% 24.9 186.0 0.81 0.016 0.33 2.70 1.29E+05 0.25 131.312 4% 27.2 201.7 0.88 0.016 0.34 2.77 1.35E+05 0.24 132.313 6% 8.5 83.9 0.36 0.016 0.25 4.33 5.99E+04 0.28 149.214 6% 15.1 117.3 0.51 0.016 0.32 3.36 9.52E+04 0.30 189.415 6% 18.3 135.2 0.59 0.016 0.34 3.32 1.09E+05 0.29 199.116 6% 21.2 151.1 0.66 0.016 0.35 3.29 1.21E+05 0.29 206.517 6% 24.9 168.0 0.73 0.016 0.37 3.13 1.35E+05 0.29 218.118 6% 27.2 182.3 0.79 0.016 0.37 3.23 1.42E+05 0.28 219.5BLDnA bbw 42π=28VRgSf o= dgVFr =BdQSP oγ=∆Tumbling Flow RegimeL=72 cm >5Lx (Spacing Between Brush Bars)Friction Factor0.00.51.01.52.02.53.03.54.04.55.00.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00fd/hAw=0.016S=2%S=4%S=6%21 )/(1 chdcf+== LayoutSAhdfunf ow ;;;Discharge Rating Curves501001502002505 10 15 20 25 30d  (mm)Q (L/s)%4%2%6%8%10for Aw =0.016 m2/m2Velocity Field Around Brush Blocks(Q=27 L/s, L=35 cm)So=2% So=6%Velocity Field around Concrete Blocks(cm)(cm)(cm)(a) (b)(cm)(cm)Top view of some flow characteristics around the simple habitatstructures through the measurement area. Measurements wereemployed at central flow depths. (a) velocity vectors; (b) contour linesof vertical turbulence intensity: relative submergence=0.8 , blockageratio=0.6, q=0.8 m2/s (unit discharge)Turbulent Kinetic Energy (m2/s2) Distribution BetweenBrush Bars, L=35 cmSo=2% So=6%FlowPlan ViewLk 2/3168.0 ×=εEnergy Dissipation:Vibration of BristelsVfDSt =Thank you for your kind interestProf.  Serhat KucukaliE-mail: kucukali78@gmail.com

Fish Passage Studies III: Flow and Turbulence Structure in Brush Fish Pass

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Fish Passage Studies III: Flow and Turbulence Structure in Brush Fish Pass

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