Hydraulic radius for evaluating resistance induced by simulated emergent vegetation in open-channel flows

Journal of Hydraulic Engineering

Volumn 137, Issue 9, 2011, Pages 995-1004

  Cheng, Nian Sheng ^a   Nguyen, Hoai Thanh ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Drag coefficient; Friction; Hydraulic radius; Manning coefficient; Open channel flow; Resistance; Reynolds number; Vegetation

Indexed keywords

EMERGENT VEGETATION; EXPERIMENTAL DATA; FRICTION FACTORS; FRICTION FUNCTIONS; HYDRAULIC RADIUS; LENGTH SCALE; MANNING COEFFICIENT; MONOTONIC DECREASE; REYNOLDS; VEGETATED CHANNELS; VEGETATION DENSITY; VEGETATION DRAG; FRICTION DRAG; MANNING'S COEFFICIENTS; OPEN-CHANNEL FLOW; RESISTANCE; REYNOLD NUMBER; VELOCITY SCALE;

BANKS (BODIES OF WATER); DRAG; DRAG COEFFICIENT; FRICTION; HYDRAULICS; REYNOLDS NUMBER; TRIBOLOGY; VEGETATION; OPEN CHANNEL FLOW;

OPEN CHANNEL FLOW; REYNOLDS NUMBER;

DRAG COEFFICIENT; FRICTION; OPEN CHANNEL FLOW; REYNOLDS NUMBER; VEGETATION;

EID: 80052039778     PISSN: 07339429     EISSN: None     Source Type: Journal    
DOI: 10.1061/(ASCE)HY.1943-7900.0000377     Document Type: Article

References (19)

1. Cheng N.S. Application of Ergun equation to computation of critical shear velocity subject to seepage. J. Irrig. Drain Eng. 2003, 129(4):278-283. JIDEDH, 0733-9437, 10.1061/(ASCE)0733-9437(2003)129:4(278)
2. Cheng N.S. Hao Z.Y. Tan S.K. Comparison of quadratic and power law for nonlinear flow through porous media. Exp. Therm. Fluid. Sci. 2008, 32(8):1538-1547. ETFSEO, 0894-1777, 10.1016/j.expthermflusci.2008.04.007.
3. Ergun S. Fluid flow through packed columns. Chem. Eng. Prog. 1952, 48:9-94. CEPRA8, 0360-7275
4. Ferreira R.L. Ricardo A.M. Franca M.J. Discussion of 'Laboratory investigation of mean drag in random array of rigid, emergent cylinders' by Yukie Tanino and Heidi M. Nepf. J. Hydraul. Eng. 2009, 135(8):690-693. JHEND8, 0733-9429, 10.1061/(ASCE)HY.1943-7900.0000021.
5. Ishikawa Y. Mizuhara K. Ashida S. Effect of density of trees on drag exerted on trees in river channels. Eurasian J. For. Res. 2000, 5(4):271-279. 1341-6979, 10.1007/BF02767121.
6. James C.S. Birkhead A.L. Jordanova A.A. O'Sullivan J.J. Flow resistance of emergent vegetation. J. Hydraul. Res. 2004, 42(4):390-398. JHYRAF, 0022-1686, 10.1080/00221686.2004.9641206.
7. James C.S. Goldbeck U.K. Patini A. Jordanova A.A. Influence of foliage on flow resistance of emergent vegetation. J. Hydraul. Res. 2008, 46(4):536-542. JHYRAF, 0022-1686, 10.3826/jhr.2008.3177.
8. Kothyari U.C. Hayashi K. Hashimoto H. Drag coefficient of unsubmerged rigid vegetation stems in open channel flows. J. Hydraul. Res. 2009, 47(6):691-699. JHYRAF, 0022-1686.
9. Lee J.K. Roig L.C. Jenter H.L. Visser H.M. Drag coefficients for modeling flow through emergent vegetation in the Florida Everglades. Ecol. Eng. 2004, 22(4-5):237-248. 0925-8574, 10.1016/j.ecoleng.2004.05.001.
10. Liu D. Diplas P. Fairbanks J.D. Hodges C.C. An experimental study of flow through rigid vegetation. J. Geophys. Res., [Earth Surf.] 2008, 113. 0148-0227, 10.1029/2007JA012754 F04015.
11. Qian N. Wan Z. 1999, and Mechanics of sediment transport, ASCE, Reston, VA.
12. Stoesser T. Kim S.J. Diplas P. Turbulent flow through idealized emergent vegetation. J. Hydraul. Eng. 2010, 136(12):1003-1017. JHEND8, 0733-9429, 10.1061/(ASCE)HY.1943-7900.0000153.
13. Tanino Y. Nepf H.M. Laboratory investigation of mean drag in random array of rigid, emergent cylinders. J. Hydraul. Eng. 2008, 134(1):34-41. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2008)134:1(34).
14. Tsihrintzis V.A. Discussion of 'Variation of roughness coefficients for unsubmerged and submerged vegetation' by Fu-Chun Wu and Yi-Ju Chou. J. Hydraul. Eng. 2001, 127(3):241-244. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2001)127:3(241)
15. Vanoni V.A. Brooks N.H. Laboratory studies of the roughness and suspended load of alluvial streams. 1957 Sedimentation Laboratory, California Institute of Technology, Pasadena, CA.
16. Wu F.C. Shen H.W. Chou Y.J. Variation of roughness coefficients for unsubmerged and submerged vegetation. J. Hydraul. Eng. 1999, 125(9):934-942. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(1999)125:9(934).
17. Yen B.C. Open channel flow resistance. J. Hydraul. Eng. 2002, 128(1):20-39. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2002)128:1(20)
18. Zima L. Ackermann N.L. Wave generation in open channels by vortex shedding from channel obstructions. J. Hydraul. Eng. 2002, 128(6):596-603. JHEND8, 0733-9429, 10.1061/(ASCE)0733-9429(2002)128:6(596).
19. Zinke P. Flow resistance parameters for nature emergent vegetation derived from porous media model. Proc., Int. Conf. on Fluvial Hydraulics 2010, 461-468. A. Dittrich, K. Koll, J. Aberle, P. Geisenhainer, and eds., Bundesanstalt für Wasserbau (BAW), Karlsruhe, Germany.