Publications

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  • Book
  1. Testik, F.Y., Gebremichael, M.: “Rainfall: State of the Science”, American Geophysical Union (December 2010).
  • Book Chapters
  1. Gebremichael, M., Testik, F.Y., 2010 : “Microphysics, Measurement, and Analyses of Rainfall”, book chapter in Rainfall: State of the Science , Eds. Testik, F. Y. and Gebremichael, M.,American Geophysical Union.
  2. Voropayeb, S.I., Testik, F.Y., Fernando, H.J.S., Balasubramanian, S., 2007 : “Sediment transport, ripple dynamics, and object burial under shoaling waves”, book chapter in Particle Laden Flow: From Geophysical to Kolomogorov Scales , Eds. Geurts, B.J., Clercx, H.J.H, Uijttewaal, W.S.J.,Springer Science.
  3. Jones, B.K., Saylor, J.R. Testik, F.Y., 2010 : “Raindrop Morphodynamics”, book chapter in Rainfall: State of the Science , Eds. Testik, F. Y. and Gebremichael, M.,American Geophysical Union.
  • Journal Publications
  1. Testik, F.Y., Rahman, M.K., 2017, “First in situ observations of binary raindrop collisions”, Geophysical Research Letters, 44, doi: 10.1002/2017GL072516.
  2. Testik, F.Y., Pei, B., 2017, “Wind effects on the shape of raindrop size distribution”, Journal of Hydrometeorology, doi: 1175/JHM-D-16-0211.1.
  3. Chowdhury, M.N., Khan, A.A., Testik, F.Y., 2017, “Numerical investigation of circular turbulent jets in shallow water”, Journal of Hydraulic Engineering, 10.1061/(ASCE)HY.1943-7900.0001327.
  4. Afrin, T., Kaye, N.B., Khan, A.A., Testik, F.Y., 2017, “Numerical investigation of free overfall from a circular pipe flowing full upstream”, Journal of Hydraulic Engineering, doi: . 10.1061/(ASCE)HY.1943-7900.0001289.
  5. Afrin, T., Kaye, N.B., Khan, A.A., Testik, F.Y., 2016, “Parametric study of perforated pipe underdrains surrounded by loose aggregate”, Journal of Hydraulic Engineering, 04016066. Link to the paper
  6. Testik, F.Y., Ungarish, M., 2016, “On the self-similar propagation of gravity currents through an array of emergent vegetation-like obstacles”, Physics of Fluids, 28 (5), 056605. Link to the paper
  7. Afrin, T., Khan, A.A., Kaye, N.B., Testik, F.Y., 2016 “Numerical model for the hydraulic performance of perforated pipe under-drains surrounded by loose aggregate”, Journal of Hydraulic Engineering, 04016018. Link to the paper
  8. Testik, F.Y., Rahman, M.K., 2016, “High-speed optical disdrometer for rainfall microphysical observations”,Journal of Atmospheric and Oceanic Technology,33 (2), 231-243. Link to the paper
  9. Chowdhury, M.N., Testik, F.Y., Hornack, M. C., Khan, A, 2015, “Free Fall of Water Drops in Laboratory Rainfall Simulations“, Atmospheric Research, 168, 158-168. Link to the paper
  10. Testik, F.Y., Yilmaz, N.A., 2015, “Anatomy and propagation dynamics of continuous-flux release bottom gravity currents through emergent aquatic vegetation“, Physics of Fluids, 27, 056603. Link to the paper
  11. Chowdhury, M.R., Testik, F.Y., 2014, “Axisymmetric underflows from impinging buoyant jets of dense cohesive particle-laden fluids“, Journal of Hydraulic Engineering, 141 (3), 04014079. [This article was selected for the Research Highlight]. Link to the paper
  12. Pei, B., Testik, F.Y., and Gebremichael, M., 2014, “Impacts of raindrop fall velocity and axis ratio errors on dual-polarization radar rainfall estimation“, Journal of Hydrometeorology, 15 (5), 1849-1861. Link to the paper
  13. Yilmaz, N.A., Testik, F.Y., Chowdhury, M.R., 2014, “Laminar flow of constant-flux release bottom gravity currents: friction factor – Reynolds number relationship“, Journal of Hydraulic Research, 52 (4), 545-558. Link to the paper
  14. Pei, B., Pang, W., Testik, F.Y., Ravichandran, N., Liu, F., 2014, “Mapping joint hurricane wind and surge hazards for Charleston, South Carolina“, Natural Hazards, 74 (2), 375-403. Link to the paper
  15. Jacobson, M.R., Testik, F.Y., 2014, “Turbulent entrainment into fluid mud gravity currents”, Environmental Fluid Mechanics, 14 (2), 541-563. Link to the paper
  16. Chowdhury, M.R., Testik, F.Y., 2014, “A review of gravity currents formed by submerged single-port discharges in inland and coastal waters“, Environmental Fluid Mechanics, 14 (2), 265-293. Link to the paper
  17. Testik, F.Y., 2014, “Gravity currents in the environment”, Environmental Fluid Mechanics, 14 (2), 263-264.
  18. Jacobson, M.R., Testik, F.Y., 2013, “On the Concentration Structure of High-Concentration Constant-Volume Fluid Mud Gravity Currents“, Physics of Fluids, 25 (1), 016602-016602-24. Link to the paper
  19. Johnson, E.B., Testik, F.Y., Ravichandran, N., Schooler, J., 2013, “Levee scour from overtopping storm waves and scour countermeasures“, Ocean Engineering, 57, p.p. 72-82. Link to the paper
  20. Pei, B., Pang, W., Testik, F.Y., Ravichandran, N., 2013, “Error Quantification for Hurricane Storm Surge Simulations along the Coasts of North Carolina, South Carolina, and Georgia“, Natural Hazards Review, 14(2), 79-88. Link to the paper
  21. Heiliger, C., Kaye, N., Testik, F.Y., 2013, “A computational study of the role of particle size standard deviation on the collision frequency in differential settling“, International Journal of Sediment Research, 28 (1), 34-45. Link to the paper
  22. Chowdhury, M.R., Testik, F.Y., 2012, “Viscous Propagation of Two-Dimensional non-Newtonian Gravity Currents“, Fluid Dynamics Research, 44 (4), 1-17. Link to the paper
  23. Prat O.P., Barros, A.P., Testik F.Y., 2012, “On the influence of raindrop collision outcomes on equilibrium drop size distributions“, Journal of the Atmospheric Sciences, 69 (5), 1534-1546. Link to the paper
  24. Mills, B.H., Saylor, J.R., Testik, F.Y., 2012, “An Experimental Study of Mesler Entrainment on a Surfactant-Covered Interface: The Effect of Drop Shape and Weber Number“, AIChE Journal, 58 (1), 46-58. Link to the paper
  25. Chowdhury, M.R., Testik, F.Y., 2011, “Laboratory testing of mathematical models for high-concentration fluid mud turbidity currents“, Ocean Engineering, 38 (1), 256-270. Link to the paper
  26. Young, D.M., Testik, F.Y., 2011, “Wave reflection by submerged vertical and semicircular breakwaters“, Ocean Engineering, 38 (10), 1269-1276. Link to the paper
  27. Testik, F.Y., Barros, A.P., Bliven, L.F., 2011, “Towards a physical characterization of raindrop collision outcomes“, Journal of the Atmospheric Sciences, 68 (5), 1097-1113. Link to the paper
  28. Barros, A.P., Prat, O.P., Testik, F.Y., 2010, “Size distribution of raindrops“, Nature Physics, 6 (4), 232. Link to the paper
  29. Malek-Mohammadi, S., Testik, F.Y., 2010, “New Methodology for Laboratory Generation of Solitary Waves“,Journal of Waterway, Port, Coastal, and Ocean Engineering, 136 (5), 286-294. Link to the paper
  30. Testik, F.Y., 2009, “Outcome regimes of binary raindrop collisions“, Journal of Atmospheric Research, 94 (3), 389-399. Link to the paper
  31. Young, D.M., Testik, F.Y., 2009, “Onshore scour characteristics around submerged vertical and semicircular breakwaters“, Coastal Engineering, 56 (8), 868-875. Link to the paper
  32. Chowdhury, M.R., Testik, F.Y., Khan, A.A., 2009,“Three-dimensional flow structure at the frontal zone of a gravity-driven fluid mud flow“, Journal of Visualization, 12 (4), 287. Link to the paper
  33. Barros, A.P., Prat, O.P., Shrestha, P., Testik F.Y., Bliven, L.F., 2008, “Revisiting Low and List (1982), Evaluation of Raindrop Collision Parameterizations Using Laboratory Observations and Modelling“, Journal of the Atmospheric Sciences, 65 (9), 2983-2993. Link to the paper
  34. Testik, F.Y., Young, D.M., 2008, “Breakup patterns for binary drop collisions“, Journal of Visualization, 11 (1), 4.Link to the paper
  35. Testik, F.Y., Barros, A.P., 2007, “Towards elucidating the microstructure of rainfall: a survey“, Reviews of Geophysics, 45 (2), RG2003. Link to the paper
  36. Testik, F.Y., Voropayev, S.I., Fernando H.J.S., Balasubramanian, S., 2007, “Mine Burial in the Shoaling Zone: Scaling of Laboratory Results to Oceanic Situations“, IEEE Journal of Oceanic Engineering, 32 (1), 204-213. Link to the paper
  37. Testik, F.Y., Barros, A.P. & Bliven, L.F., 2006, “Field Observations of Multimode Raindrop Oscillations by High-Speed Imaging“, Journal of the Atmospheric Sciences, 63 (10), 2663-2668. Link to the paper
  38. Testik, F.Y., Voropayev, S.I., Balasubramanian, S. & Fernando, H.J.S., 2006, “Self-similarity of asymmetric sand-ripple profiles formed under nonlinear shoaling waves“, Physics of Fluids, 18 (10), 108101-108101-4. Link to the paper
  39. Testik, F.Y., Voropayev, S.I. & Fernando, H.J.S., 2005, “Flow around a short horizontal bottom cylinder under steady and oscillatory flows”, Physics of Fluids, 17 (4), 47103-47103-12. Link to the paper
  40. Testik, F.Y., Voropayev, S.I. & Fernando, H.J.S., 2005, “Adjustment of sand ripples under changing water waves”, Physics of Fluids, 17 (7), 072104-072104-8. Link to the paper
  41. Voropayev, S.I., Smirnov S.A., Testik F.Y., 2004, “On the case when steady converging/diverging flow of a non-Newtonian fluid in a round cone permits an exact solution“, Mechanics Research Communications, 31 (4) 477-482. Link to the paper
  42. Voropayev, S.I., Testik, F.Y., Fernando H.J.S., Boyer, D.L., 2003, “Morphodynamics and cobbles behavior in and near the surf zone“, Ocean Engineering, 30 (14), 1741-1764. Link to the paper
  43. Voropayev, S.I., Testik, F.Y., Fernando H.J.S., Boyer D.L., 2003, “Burial and scour around short cylinder under progressive shoaling waves“, Ocean Engineering, 30 (13) 1647-1667. Link to the paper

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