David Zhu, PhD, PEng

Professor, Water Resources Engineering
Associate Editor, ASCE Journal of Hydraulic Engineering
Associate Chair Graduate Studies  

Office: 7-293 Donadeo Innovation Cntr for Engineering 
Phone: 780 492 5813
E-mail: david.zhu@ualberta.ca

General Interests

My general research interest is in the area of environmental hydraulics and urban hydraulics, with application in river coastal problems, water quality modeling, lake and reservoir management, as well as in environmental remediation. My past research activities include:

  1. Dynamics and mixing of density stratified flows
    a. Hydraulics of exchange flow through a sea strait/channel
    b. Exchange flow through a sharp opening
  2. Hydrodynamics and water quality modeling in lakes, reservoirs
    a. Lake Wabamun water quality modeling
  3. Urban environmental hydraulics
    a. Effectiveness and design of stormwater detention ponds for water quality control
    b. Performance of vortex dropshaft
    c. Hydraulics of stormwater inlet
    d. Sewer junction hydraulics
  4. Two-phase flows (air-water and sand-water two phase flows)
  5. Turbulence measurement in vertical slot fishway
  6. Fish entrainment in hydropower operations

Education

  • Ph.D., Department of Civil Engineering, University of British Columbia, Vancouver, BC, 1996
  • M.Eng., Department of Civil Engineering, University of British Columbia, Vancouver, BC, 1991
  • M.Sc., Ocean Engineering, Shanghai Jiao Tong University, China, 1989
  • B.Sc., Ocean Engineering, Shanghai Jiao Tong University, China, 1986

Professional Experience

  • Associate Chair (Graduate Studies), Department of Civil & Environmental Engineering, University of Alberta, Canada, 2005 - 2007
  • Guest Professor, Zhejiang University, China,2006
  • Professor, University of Alberta, Canada, 2004
  • Associate Professor, University of Alberta, Canada, 2001 - 2004
  • Guest Professor, University of Karlsruhe, Germany, 2003 - 2004
  • Senior Visitor, University of Cambridge, U.K., 2003
  • Assistant Professor, University of Alberta, Canada, 1997 - 2001
  • Engineer, British Columbia Hydro Power Authority (BC Hydro), Canada, 1997
  • Research Fellow, National Water Research Institute(Canada), 1996

Awards and Honours

  • Canadian Society for Civil Engineering Camille A. Dagenais Award - 2017
  • American Society of Civil Engineers Samuel Arnold Greeley Award  - 2017
  • Canadian Society for Civil Engineering Donald R. Stanley Award  - 2015
  • University of Alberta Killam Annual Professorship  - 2014
  • Canadian Society for Civil Engineering Thomas C. Keefer Medal  - 2010
  • Zhejiang University YC Tang Chair Professorship  - 2009 - 2012
  • The Alexander von Humboldt Foundation Research Fellowship  - 2003-2004
  • American Society of Civil Engineers Journal of Hydraulic Engineering Best Technical Note Award  - 2003

Technical Publications

Peer-Reviewed Journal Publications

  1. Kupferschmidt, C., and Zhu, D.Z. (2017), “Physical Modeling of Pool and Weir Fishways with Rock Weirs”, River Research and Applications, accepted.
  2. Azimi, A.H., Cai, J., Zhu, D.Z., and Rajaratnam, N. (2017), “Experimental and numerical investigations on withdrawal of water-capped viscoplastic fluid”, ASME Journal of Fluids Engineering, accepted.
  3. Tang, Y., Chan, D.H., Zhu, D.Z. (2017), “Numerical Investigation of Sand Bed Erosion by an Upward Water Jet”, Journal of Engineering Mechanics, accepted.
  4. Tang, Y., Chan, D.H., Zhu, D.Z. (2017), “A Coupled Discrete Element Model for the Simulation of Soil and Water Flow through an Orifice”, International Journal for Numerical and Analytical Methods in Geomechanics, accepted.
  5. Tang, Y., Zhu, D.Z., Chan, D.H. (2017), “Experimental Study on Submerged Sand Erosion through a Slot on a Defective Pipe”, ASCE Journal of Hydraulic Engineering, accepted.
  6. Guo, S. and Zhu, D.Z. (2017) “Analytical study on soil and groundwater erosion rates through a sewer pipe crack”, ASCE Journal of Hydraulic Engineering, accepted.
  7. He, Y.X, Zhu, D.Z., Zhang, T.Q., Shao, Y., Yu, T.C. (2017), “Experimental observations on initiation of sand bed erosion by an upward water jet”, ASCE Journal of Hydraulic Engineering, accepted.
  8. Banisoltan, S., Rajaratnam, N., Zhu, D.Z. (2017) “Experimental and Theoretical Investigation of Vertical Drains with Radial Inflow”, ASCE Journal of Hydraulic Engineering, 143(5).
  9. Baki, A.B.M., Zhang, W., Zhu, D.Z., and Rajaratnam, N. (2017), “Flow Structures in the Vicinity of a Submerged Boulder within a Boulder Array”, ASCE Journal of Hydraulic Engineering, 143(5).
  10. Gu, L., Dai, B., Zhu, D.Z., Hua, Z.L., Liu, X.D., van Duin, B., and Mahmood, K. (2017), “Sediment modelling and design optimization for stormwater ponds", Canadian Water Resources Journal, 42(1), 70–87.
  11. Qian, Y., Zhu, D.Z., Zhang, W., Rajaratnam, N. and Edwini-Bonsu, S., Steffler, P.M. (2017), “Air movement induced by water flow with a hydraulic jump in changing slope pipes”, ASCE Journal of Hydraulic Engineering, 143(4).
  12. Tang, Y.B., Zhu, D.Z., Rajaratnam, N., and van Duin, B. (2016), “Experimental Study of Hydraulics and Sediment Capture Efficiency in Catchbasins”, Water Science and Technology, 74 (11), 2717-2726.
  13. Cahill, C.L., Howland, K.L., Hulsman, M.F., Noddin, F., Tonn, W.M., Courtice, G., and Zhu, D.Z. (2016), “Arctic Grayling Movement through a Nature-like Fishpass in Northern Canada”, Transactions of the American Fisheries Society, 145:5, 951-963.
  14. Ma, Y.Y., Zhu, D.Z., Rajaratnam, N., Camino, G.A. (2016), “Experimental Study of the Breakup of a Free-falling Turbulent Water Jet in Air”, ASCE Journal of Hydraulic Engineering, 142(10): 06016014.
  15. Ma, Y.Y., Zhu, D.Z., Rajaratnam, N. (2016), “Air entrainment in a tall plunging flow dropshaft”, ASCE Journal of Hydraulic Engineering, 142(10): 04016038.
  16. Cai, J., Azimi, A., Zhu, D.Z., Rajaratnam, N. (2016), “Experimental and numerical study on pumping viscoplastic fluids”, Can. J. Civil Engineering, 43(8), 675-684.
  17. Yang, Y., Zhu, D.Z., Zhang, T.Q., Liu, W.C., and Guo, S. (2016) “Improved Model for Contaminant Intrusion Induced by Negative Pressure Events in Water Distribution Systems”, ASCE Journal of Hydraulic Engineering, 142(10): 06016012.
  18. Baki, A.B.M., Zhu, D.Z., Rajaratnam, N. (2016), “Flow simulation in a rock-ramp fish pass”, ASCE Journal of Hydraulic Engineering, Vol: 142(10): 04016031.
  19. Marriner, B.A., Baki, A.B.M., Zhu, D.Z., Cooke, S.J., Katopodis, K. (2016). “The hydraulics of a vertical slot fishway: a case study on the multi-species Vianney-Legendre fishway in Quebec, Canada”, Ecological Engineering, Vol. 90, 190–202.
  20. Chen, W., Chen, K., Kuang, C.P., Zhu, D.Z., He, L.L, Mao, X.D., Liang, H.D., Song, H.L, (2016), “Influence of sea level rise on saline water intrusion in the Yangtze River Estuary, China”, Applied Ocean Research 54, 12–25.
  21. Courtice, G., Baki, A.B.M., Zhu, D.Z., Cahill, C., and Tonn, W.M. (2016), “Stream habitat connectivity in the Canadian Arctic: an onsite approach to design and construction”, Can. J. Civil Engineering, 43(2): 139-150.
  22. Azimi, A.H., Rajaratnam, N. and Zhu, D.Z. (2016), “Water surface characteristics of submerged rectangular sharp-crested weirs”, ASCE Journal of Hydraulic Engineering, Vol. 142(5): 06016001.
  23. Pilechi, A., Mohammadian, M., Rennie, C., and Zhu, D.Z. (2016) “An efficient method for coupling field data and numerical modeling for the estimation of a transverse mixing coefficient in meandering rivers”, ASCE Journal of Hydraulic Engineering, Vol. 142(6). 04016009.
  24. Zhang, W., Zhu, D.Z., Rajaratnam, N., Edwini-Bonsu, S., Fiala, J., and Pelz, W. (2016) “Use of air circulation pipes in deep dropshafts for reducing air entrainment into sanitary sewers," ASCE Journal of Environmental Engineering, Vol. 142(4): 04015092.
  25. Langford, M., Zhu, D.Z., Leake, A. (2016). “Upstream hydraulics of a run-of-the river hydropower facility for fish entrainment risk assessment”, ASCE Journal of Hydraulic Engineering, Vol. 142(4): 05015006.
  26. Zhang, W.M. and Zhu, D.Z. (2015). “Far-Field properties of aerated water jets in air”, International Journal of Multiphase Flow, Vol. 76, 158–167.
  27. Cahill, C.L, Erwin, A.C., Howland, K.L., Hulsman, M.F., Lunn, B.D., Noddin, F., Tonn, W.M., Baki, A.B., Courtice, G.Y., Zhu, D.Z. (2015), “Assessing Responses of Fish to Habitat Enhancement in Barrenlands Streams, N.W.T., Canada”, North American Journal of Fisheries Management, Vol. 35:755–764.
  28. Banisoltan, S., Rajaratnam, N., Zhu, D.Z. (2015) “An experimental study of the hydraulics of drill-drop manholes”, ASCE Journal of Hydraulic Engineering, Vol. 141(2): 04015021.
  29. Shao, W.Y, Jiang, L.J., Fang, L., Zhu, D.Z., and Sun, Z.L (2015) “Assessment of the safe evacuation of people walking through flooding staircases based on numerical simulation”, Journal of Zhejiang University SCIENCE A, Vol. 16 (2), 117-130.
  30. Azimi, A.H., Qian, Y., Zhu, D.Z. and Rajaratnam, N. (2015), “An experimental study of circular sand-water wall jets”, International Journal of Multiphase Flow, Vol. 74, 34–44.
  31. Silva, A.T., Hatry, C., Thiem, J.D., Gutowsky, L.F.G., Hatin, D., Zhu, D.Z., Dawson, J. W., Katopodis, C., Cooke, S.J. (2015), “Behaviour and locomotor activity of a migratory catostomid during fishway passage”, PLoS ONE. 10(4), e0123051.
  32. Liu, M.J., Craik, S., and Zhu, D.Z. (2015) “Determination of cast iron pipe wall decay coefficient and modeling combined Chlorine concentrations in a municipal water distribution system”, Can. J. Civil Engineering, Vol. 42(4): 250-258.
  33. Islam, M.D. and Zhu, D.Z. (2015), “Selective withdrawal of two-layer stratified flows with a point sink”, ASCE Journal of Hydraulic Engineering, Vol. 141(7): 04015009.
  34. Liu, Y.C., Wu, C., Zhou, X.H., Zhu, D.Z., and Shi, H.C. (2015), “Sulfide elimination by intermittent nitrate dosing in sewer sediments”, Journal of Environmental Sciences, Elsevier. Vol. 27, 259-265.
  35. Baki, A.B.M., Zhu, D.Z., Rajaratnam, N. (2015), “Turbulence Characteristics in a Rock-Ramp Type Fishpass”, ASCE Journal of Hydraulic Engineering, Vol. 141(2): 04014075.
  36. Camino, G.A., Zhu, D.Z., Rajaratnam, N. (2015) “Flow observations in tall plunging flow dropshafts”, ASCE Journal of Hydraulic Engineering, Vol. 141(1): 06014020.
  37. Pilechi, A., Mohammadian, M., Rennie, C., and Zhu, D.Z. (2015). “In situ spatially distributed field measurements of transverse dispersion of a wastewater effluent in an extended natural meandering river reach for estimation of the full mixing length”, Journal of Hydraulic Research, Vol. 53(1), 20-35.
  38. Huang, B., Zhu, D.Z., Shao, W., Fu, J.J., and Rui, J.L., (2015) “Forebay hydraulics and fish entrainment risk assessment upstream of a high dam in China”, Journal of Hydro-environment Research, Vol. 9(1), 91–103.
  39. Martins, E., Gutowsky, L., Harrison, P., Flemming, J.M., Jonsen, I., Zhu, D.Z., Leake, A., Patterson, D., Power, M. and Cooke, S. (2014) “Behavioral attributes of turbine entrainment risk for adult resident fish revealed by acoustic telemetry and state-space modeling”, Animal Biotelemetry, 2:13.
  40. Zhang, W.M., Liu, M., Zhu, D.Z., and Rajaratnam, N. (2014). “Mean and turbulent bubble velocities in free hydraulic jumps for small to intermediate Froude numbers”, ASCE Journal of Hydraulic Engineering, 140(11), 04014055.
  41. Courtice, G., Baki, A.B.M., Zhu, D.Z., Cahill, C., and Tonn, W.M. (2014), “Stream modifications to enhance system connectivity for fish habitat compensation: a case study in the Barrenlands region of Canada”, Can. J. Civil Engineering, 41(7): 650-659, doi:10.1139/cjce-2014-0012.
  42. Camino, G.A., Rajaratnam, N., Zhu, D.Z. (2014) “Choking conditions inside plunging flow dropshafts”, Can. J. Civil Engineering, Vol. 41: 624–632. dx.doi.org/10.1139/cjce-2014-0033.
  43. Zhu, D.Z., Yang, J. (2014),“Drinking water safety, security and sustainability”, ASCE Journal of Environmental Engineering, Vol. 140(9), A2014001.
  44. Ma, Y.Y., and Zhu, D.Z. (2014), “Improving sediment removal in standard stormwater sumps”, Water Science and Technology, Vol. 69(10), 2099-2105. doi: 10.2166/wst.2014.122.
  45. Zhang, W.M. and Zhu, D.Z. (2014). “Trajectories of air-water bubbly jets in crossflows”, ASCE Journal of Hydraulic Engineering, Vol. 140(7), A06014011.
  46. Shao, W.Y, Jiang, L.J., Zhang, Y.P., Zhu, D.Z., and Sun, Z.L (2014) “Hydraulic features of air-water mixture flow on staircase with rest platform”, ASCE Journal of Hydraulic Engineering, Vol. 140(6), 04014016.
  47. Marriner, B.A., Baki, A.B.M., Zhu, D.Z., Thiem,, J.D., Cooke, S.J., Katopodis, K. (2014). “Field and numerical assessment of turning pool hydraulics in a vertical slot fishway”, Ecological Engineering, 63(2), 88–101.
  48. Jiang, L.J., Shao, W.Y., Zhu, D.Z. and Sun, Z.L. (2014) “Forces on surface piercing vertical circular cylinder group on flooding staircase", Journal of Fluids and Structures, Vol. 46, 17-28, DOI: 10.1016 /j.jfluidstructs.2013.12.011.
  49. Kuang, C.P., Chen, W., Gu, J., Zhu, D.Z., He, L.L., and Zhang, Y. (2014), “Numerical assessment of the impacts of potential future sea level rise on hydrodynamics of the Yangtze River Estuary, China”, Journal of Coastal Research, Vol. 30(3), 586-597.
  50. Yang, Y., Zhang, T.Q., and Zhu, D.Z. (2014). “Influence of porous media on intrusion rate into water distribution pipes”, Journal of Water Supply: Research and Technology – AQUA, 63(1), 43 – 50.
  51. Azimi, A.H., Rajaratnam, N. and Zhu, D.Z. (2014), “Submerged flows over rectangular weirs of finite crest length”, ASCE Journal of Irrigation and Drainage Engineering, 140(5), 06014001.
  52. Zobeyer, H., Rajaratnam, N. and Zhu, D.Z. (2014), “Radial jet and hydraulic jump in a circular basin”, ASCE Journal of Engineering Mechanics, 140(1), 128-133.
  53. Baki, A.B.M., Zhu, D.Z., Rajaratnam, N. (2014), “Mean flow characteristics in a rock-ramp type fishpass”, ASCE Journal of Hydraulic Engineering, 140(2), 156-168.
  54. Azimi, A.H., Zhu, D.Z. and Rajaratnam, N. (2014), “An experimental study of sub-aqueous sand deposition from slurry wall jets”, ASCE Journal of Engineering Mechanics, 140(2), 296-314.
  55. Shao, W.Y., Zhang, Y.P., Zhu, D.Z., and Zhang, T.Q. (2013) “Drag force on a free surface-piercing yawed circular cylinder in steady flow”. Journal of Fluids and Structures, Vol. 43, 145–163.
  56. Martins, E.G., Gutowsky, L., Harrison, P.M., Patterson, D.A., Power, M., Zhu, D.Z., Leake, A., and Cooke, S.J., (2013) “Forebay use and entrainment rates of resident adult fish in a large hydropower reservoir”, Aquatic Biology, Vol. 19: 253–263.
  57. Guo, S., Shao, Y., Zhang, T.Q., Zhu, D.Z., Zhang, Y.P., (2013) “Physical modeling on sand erosion around defective sewer pipes under the influence of groundwater”, ASCE Journal of Hydraulic Engineering, 139(12), 1247–1257.
  58. Zhou, Y.C, Zhang, Y.P., Tang, P., Chen, Y.M., and Zhu, D.Z. (2013), “Experimental study of the performance of a siphon sediment cleansing setin a CSO chamber”, Water Science and Technology, Vol. 68(1), 184-191.
  59. Guo, S., T. Zhang, W. Shao, D.Z. Zhu, Y. Duan (2013), “Two-dimensional pipe leakage through a line crack in water 1 distribution systems”, Journal of Zhejiang University-SCIENCE A, 14(5):371-376, DOI:10.1631/jzus.A1200227.
  60. Breton, F., A.B.M. Baki, O. Link, D.Z. Zhu and N. Rajaratnam, (2013) “Flow in nature-like fishway and its relation to fish behavior”, Can. J. Civil Engineering, Vol. 40: 567–573.
  61. Zhang, W.M. and Zhu, D.Z. (2013). “Bubble characteristics of air-water bubbly jets in crossflow”, International Journal of Multiphase Flow, Vol. 55, 156–171.
  62. Yin, Z., Zhu, D.Z., Liang, B., and Wang, L. (2013) “Theoretical analysis and experimental study on oxygen transfer under regular and non-breaking waves”, Journal of Hydrodynamics, Elsevier, 25(5):718-724.
  63. Ma, Y., Qian, Y., and Zhu, D.Z. (2013), “Effect of air core on the shape and discharge of the outflow through a bottom outlet”, Theoretical & Applied Mechanics Letters, 3(2), 022004. doi: 10.1063/2.1302204.
  64. Yin, Z., Zhu, D.Z., Cheng, D., Liang, B. (2013) “Oxygen transfer by air injection in a horizontal pipe flow”, ASCE Journal of Environmental Engineering, Vol. 139 (6), 908-912.
  65. Islam, MD and Zhu, D.Z. (2013), “A kernel-density based algorithm for despiking ADV data”, ASCE Journal of Hydraulic Engineering, 139(7), 785–793.
  66. Azimi, A.H., Rajaratnam, N. and Zhu, D.Z. (2013), “Discharge characteristics of weirs of finite crest length with upstream and downstream ramps”, ASCE Journal of Irrigation and Drainage Engineering, Vol. 139 (1), 75-83.
  67. Martin, N., McEachern, P., Yu, T., Zhu, D.Z. (2013) “Model development for prediction and mitigation of dissolved oxygen sags in the Athabasca, River, Canada”, Science of the Total Environment, Vol. 443, 403 - 412.
  68. Azimi, A.H., Rajaratnam, N. and Zhu, D.Z. (2012), “A note on sharp-crested weirs and weirs of finite crest length”, Can. J. Civil Engineering, 39(11): 1234-1237.
  69. Guo, S., Zhang, T.Q., Zhang, Y.P., Zhu, D.Z. (2012), “An approximate solution for two-dimensional groundwater infiltration in sewer systems”, Water Science and Technology, Vol. 67(2):347-352.
  70. Cai, J., Zhu, D.Z., Rajaratnam, N. (2012), “Observations on sand jets in viscoplastic fluids”, Theoretical & Applied Mechanics Letters, 2, 052001.
  71. Baki, A.B.M., Zhu, D.Z., Courtice, G. (2012), “Hydraulic Geometry and Resistance to Flow in Small Headwater Streams in the Northwest Territories, Canada”, Can. J. Civil Engineering, 39(11): 1252–126.
  72. Azimi, A.H., Zhu, D.Z. and Rajaratnam, N. (2012), “Computational investigation of vertical slurry jets in water”, International Journal of Multiphase Flow, Vol. 47, 94 – 114.
  73. Langford, M., Daviau, J.L., Zhu, D.Z. (2012) “Design of a centralized regional water distribution system: A case study”, Can. J. Civil Engineering, 39(7), 801-811.
  74. Baki, A.B.M., Zhu, D.Z., Hulsman, M.F., Lunn, B.D. and Tonn, W.M. (2012), “The Hydrological Characteristics of a Stream within an Integrated Framework of Lake-Stream Connectivity in the Lac de Gras Watershed, N.W.T., Canada”, Can. J. Civil Engineering, 39(3): 279–292.
  75. Azimi, A.H., Zhu, D.Z. and Rajaratnam, N. (2012), “Experimental study of sand jet front in water”, International Journal of Multiphase Flow, Vol. 40, 19–37.
  76. Camino, G.A., Zhu, D.Z., Rajaratnam, N (2012) “Energy dissipation by jet diffusion inside a confined chamber”, Journal of Hydraulic Research, Vol. 50(1), 121-128.
  77. Fouli, H. and Zhu, D.Z. (2011). “Dynamics of the outflow and its effect on the hydraulics of two-layer exchange flows”, Theoretical & Applied Mechanics Letters, 1, 062003.
  78. Thiem, J.D., T.R. Binder, J.W. Dawson, P. Dumont, D. Hatin, C. Katopodis, D.Z. Zhu, S. J. Cooke (2011). “Behaviour and passage success of upriver-migrating lake 1 sturgeon in a vertical slot fishway on the Richelieu River, Quebec”, Endangered Species Research, Vol. 15, 1-11.
  79. Smokorowski, K.E., and others (2011) NSERC’s HydroNet: A national research network to promote sustainable hydropower and healthy aquatic ecosystems, Fisheries, American Fisheries Society, 36(10), 480-488.
  80. Islam, MD and Zhu, D.Z. (2011), “A numerical study on confined wall jets in a shallow basin”, Journal of Hydraulic Research, 49(5), 595-600.
  81. Azimi, A.H., Zhu, D.Z. and Rajaratnam, N. (2011), “Effect of particle size on the characteristics of sand jets in water”, ASCE Journal of Engineering Mechanics, Vol. 137(12), 822-834.
  82. Zhang, W., Zhu, D.Z. (2011) “Transverse mixing in an unregulated natural river”, ASCE Journal of Hydraulic Engineering, Vol. 137(11), 1426–1440.
  83. Bhuiyan, F., Habibzadeh, A., Rajaratnam, N., Zhu, D.Z. (2011), “Reattached turbulent offset jets on rough bed with shallow tailwater”, ASCE Journal of Hydraulic Engineering, Vol. 137(12), 1636–1648.
  84. Fouli, H. and Zhu, D.Z. (2011). “Interfacial waves in two-layer exchange flows downslope of a bottom sill”, Journal of Fluid Mechanics, Vol. 680, 194-224.
  85. Zhang, W., Zhu, D.Z. (2011) “Near-field mixing downstream of a multiport diffuser in a shallow river”, ASCE Journal of Environmental Engineering, Vol. 137(4), 230-240.
  86. , G.A., Zhu, D.Z., Rajaratnam, N (2011) “Hydraulics of stacked drop manholes”, ASCE Journal of Irrigation and Drainage Engineering, Vol. 137(8), 537-552.
  87. Islam, MD and Zhu, D.Z. (2011), “Flow upstream of two-dimensional intakes”, ASCE Journal of Hydraulic Engineering, Vol. 137(1), 129-134.
  88. Islam, MD and Zhu, D.Z. (2011), “Anti-diffusion in central difference scheme for steady-state transport equation”, Progress in Computational Fluid Dynamics, Vol. 11(1), 1-5.
  89. Cai, J., Hall, N.A, Elenany, M., Zhu, D.Z., Rajaratnam, N. (2010), “Sand jets in air”, ASCE Journal of Engineering Mechanics, Vol. 136(9), 1181-1186.
  90. Hall, N.A, Elenany, M., Zhu, D.Z., Rajaratnam, N. (2010), “Experimental study of sand and slurry jets in water”, ASCE Journal of Hydraulic Engineering, Vol. 136(10), 727-738.
  91. Wang, P.F., Wang, C., and Zhu, D.Z. (2010), “Hydraulic resistance of submerged vegetation related to effective height, Journal of Hydrodynamics, Elsevier, Vol. 22(2): 265-273.
  92. Rajaratnam, N., Zhu, D.Z., Rai, S.P. (2010) “Turbulence measurements in the impinging region of a circular jet”, Can. J. Civil Engineering, 37(5):782-785.
  93. Bhuiyan, F., N. Rajaratnam, D.Z. Zhu (2010), “An experimental study of mounds formed by sand dumping in channel Flow”, Journal of Hydraulic Research, Vol. 48(3), 283-291.
  94. Valentine, E., Kronebusch, K., Zhu, D.Z., Rajaratnam, N., Lodewyk, S., Cairns, J., Chan, S., and Zhou, F., (2010). “Combined sewer overflow over an oblique weir at Rat Creek in Edmonton”, Can. J. Civil Engineering, 37(3): 477-488.
  95. Shammaa, Y. and Zhu, D.Z. (2010). “Experimental study on selective withdrawal in a two-layer reservoir using a temperature-control curtain”, ASCE Journal of Hydraulic Engineering, 136(4), 234-246.
  96. Camino, G.A., Zhu, D.Z., Rajaratnam, N. and Shome, M. (2009) “Use of a stacked drop manhole for energy dissipation: A case study in Edmonton”, Can. J. Civil Engineering, 36(6), 1037-1050.
  97. Shammaa, Y, Zhu, D.Z., Rajaratnam, N. (2009), “Flow field in a rectangular basin with a line inlet and a circular outlet”, ASCE Journal of Hydraulic Engineering, Vol. 135(10), 856-864.
  98. Dow, K., Steffler, P.M. and Zhu, D.Z., (2009). “Intermediate field mixing of wastewater effluent in the North Saskatchewan River”, Journal of Hydraulic Engineering, ASCE, Vol. 135(1), 1-12.
  99. Negretti, M.E., Zhu, D.Z., and Jirka, G.H., (2008). “The effect of bottom roughness in two-layer flows down a slope”, Dynamics of Atmospheres and Oceans, Vol. 45/1-2, 46-68.
  100. Lima-Neto, E., Zhu, D.Z., Rajaratnam (2008) “Bubbly jet in stagnant water”, International Journal of Multiphase Flow, Vol. 34, 1130-1141.
  101. Lima-Neto, E., Zhu, D.Z., Rajaratnam (2008) “Horizontal injection of gas-liquid mixtures in a water tank”, Journal of Hydraulic Engineering, ASCE, Vol. 134(12), 1722-1731.
  102. Fouli, H. and Zhu, D.Z. (2008). “Transition of two-layer stratified flow from the slope of bottom topography to a horizontal channel”, Atmosphere - Ocean, Vol. 46(4), 391-404.
  103. Lima-Neto, E., Zhu, D.Z., Rajaratnam (2008) “Air Injection in Water with Different Nozzles”, ASCE Journal of Environmental Engineering, Vol. 134(4), 283-294.
  104. Lima-Neto, E., Zhu, D.Z., Rajaratnam (2008) “Effect of tank size and geometry on the flow induced by circular bubble plumes and water jets”, ASCE Journal of Hydraulic Engineering, Vol. 134(6), 833-842.
  105. Zhao, C.H., Zhu, D.Z. and N. Rajaratnam (2008). “Computational and experimental study of surcharged flow at a 90-degree combining sewer junction". ASCE Journal of Hydraulic Engineering, Vol. 134(6), 688-700.
  106. Negretti, M.E., Zhu, D.Z., and Jirka, G.H., (2007) “Barotropically induced interfacial waves in stratified exchange flows down a smooth sill”, Journal of Fluid Mechanics, Vol. 592,  135-154.
  107. Lima-Neto, E., Zhu, D.Z., Rajaratnam, N., Yu, T., Spafford, M., and McEachern, P. (2007) “Dissolved oxygen downstream of an effluent outfall in an ice-covered river: modeling and remediation”, ASCE Journal of Environmental Engineering, Vol. 133(11), 1051-1060.
  108. Yu, J.D., Liu, H. and Zhu, D.Z. (2007). “Numerical simulation of gravity flows for two-layer stratified fluid”. Chinese Quarterly of Mechanics, 2007(4), 539-548.
  109. Zhao, C.H., Zhu, D.Z. and N. Rajaratnam (2006). "Experimental study of surcharged flow at combining sewer junctions." ASCE Journal of Hydraulic Engineering, Vol. 132(12), 1259-1271.
  110. Mustaffa, Z., N. Rajaratnam and D.Z. Zhu. (2006) “An experimental study of flow into orifices and grating inlets on streets”. Can. J. Civil Engineering, Vol. 33(7), 837-845.
  111. Liu, M., Rajaratnam, N, and Zhu, D.Z. (2006) “Mean flow and turbulence structure in vertical slot fishways”. Journal of Hydraulic Engineering, ASCE, 132(8), 765-777.
  112. Zhao, C., Zhu, D.Z., Sun, S. and Liu, Z., (2006) “An experimental study of a vortex dropshaft”, Journal of Hydraulic Engineering, ASCE, Vol. 132(1), 61-68.
  113. Shammaa, Y, Zhu, D.Z., Rajaratnam, N. (2005) “Flow upstream of orifices and sluice gates”, Journal of Hydraulic Engineering, ASCE, Vol. 131(2), 127-133.
  114. Zhao, C., Zhu, D.Z, and Rajaratnam, N. (2004). “Supercritical sewer flow at a combining junction: a model study of Edworthy Trunk Junction, Calgary, Alberta”, Journal of Environmental Engineering and Science, Vol. 3(5), 343-353.
  115. Zhu, D.Z., and Smith, D.W. (2004) “Introduction to Environmental Hydraulics”. Journal of Environmental Engineering and Science, 3(5), 1-2.
  116. M. Liu, Rajaratnam, N., Zhu, D.Z. (2004) “Turbulence structure of hydraulic jumps of low Froude numbers”. Journal of Hydraulic Engineering, ASCE, Vol. 130(6), 511-520.
  117. Morin, V.M., Zhu, D.Z. and Loewen, M.R. (2004). “Supercritical exchange flow down a sill”, Journal of Hydraulic Engineering, ASCE, Vol. 130(6), 521-531.
  118. Zhu, D.Z. (2003) “Hydraulic controls of exchange flows”, Journal of Hydraulic Research, IAHR, Vol. 41(5), 503-511.
  119. Zhu, D.Z., Fouli, H. and Okyere, Y.A. (2002). "Exchange flow through an opening", Journal of Hydraulic Research, IAHR, Vol. 40(3), 341-350.
  120. Zhu, D.Z. (2002) “Control curves for two-layer flows”, Journal of Hydraulic Engineering, ASCE, Vol. 128(1), 113-116.
  121. Shammaa, Y., Zhu, D.Z., Gyurek, L.L. and Labatiuk, C.W. (2002). “Effectiveness of dry ponds for TSS removal”, Canadian Journal of Civil Engineering, Vol. 29(2), 316-324.
  122. Shammaa, Y. and Zhu, D.Z. (2001) “Techniques for controlling total suspended solids in stormwater runoff”, Canadian Water Resources Journal, Vol. 26(3), 1-17.
  123. Zhu, D.Z. and Lawrence, G.A. (2001). "Holmboe’s instability in exchange flows", Journal of Fluid Mechanics, U.K., Vol. 429, 391-409.
  124. Froese, T., Zhu, D. and Bhat, S. (2001). "WWW courseware in applied science: cases and lessons". Computer Applications in Engineering Education, John Wiley & Sons, Vol. 9(2), 63-77.
  125. Liu, M. and Zhu, D.Z. (2000). "Study of tunnel outlet head-loss coefficient", Canadian Journal of Civil Engineering, Vol. 27(6), 1306-1310.
  126. Zhu, D.Z. and Lawrence, G.A. (2000). "Hydraulics of exchange flows", Journal of Hydraulic Engineering, ASCE, Vol. 126 (12), 921-928.
  127. Hamblin, P.F., Zhu, D.Z., Chiocchio, F., He, C. and Charlton, M.N. (2000). "Monitoring suspended sediment plumes by optical and acoustical methods with application to sand capping", Canadian Journal of Civil Engineering, Vol. 27(1), 125-137.
  128. Zhu, D.Z. and Lawrence, G.A. (1998). "Non-hydrostatic effects in layered shallow water flows", Journal of Fluid Mechanics, U.K. Vol. 355, 1-16.
  129. Lawrence, G.A., Haigh, S.P. and Zhu, D.Z. (1998). "In search of Holmboe's instability", Coastal and Estuarine Studies, AGU, Vol. 54, 281-289.
  130. Zhu, Z. and Lawrence, G.A. (1996). "Exchange flow through a channel with an underwater sill", Dynamics of Atmospheres and Oceans, Elsevier Science. Vol. 24, 153-161.