Yarko Niño

Associate Professor

Department of Civil Engineering

Universidad de Chile

Av. Blanco Encalada 2002 3er Piso, Santiago, Chile

Email: ynino@ing.uchile.cl

Ph: (56-2) 696-8448 - Fax: (56-2) 689-4171

Degrees:

Civil Engineer, Universidad de Chile

Master of Science in Civil Engineering, University of Illinois at Urbana-Champaign

Ph.D. in Civil Engineering, University of Illinois at Urbana-Champign

Research Areas:

Hydrodynamics, environmental flows, physical limnology, fluvial mechanics and sediment transport, turbulence.

Research Projects:

Field, experimental and numerical study on mixing processes and internal waves in Coriolis affected lakes. Investigador responsable. Proyecto FONDECYT Nº 1080617. Depto. de Ingeniería Civil, Universidad de Chile. 2008-2010.

Dynamics of pyroclastic flows, lahars and debris flows and transfer time in magmas of Chilean arch volcanoes. Associate investigator. Principal investigator: Jorge Clavero, SERNAGEOMIN, Benjamin van Wyck de Vries, Cnrs-Ird, Univ.Blaise Pascal, Francia. Project ECOS-Conicyt C06U01. 2007-2010.

Turbulence and transport in the benthic boundary layer of lakes and estuaries. Field study, laboratory experiments and modelling. Principal investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1040494. Dept. of Civil Engineering, University of Chile. 2004-2006.

Flow structure in the vicinity of air-water interfaces with surface shear stress and its relation with oxygen transfer. Associate investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1020822. Dept. of Civil Engineering, University of Chile. 2002-2004.

Experimental study on transport, dispersion and mixing processes in lakes and estuaries. Principal investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1010483. Dept. of Civil Engineering, University of Chile. 2001-2003.

Experimental and numerical study on the turbulence structure in the near-free surface region and its relation with the oxygen transfer through the air-water interface. Associate investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1990025. Dept. of Civil Engineering, University of Chile. 1999-2001.

Experimental and numerical study on turbulent mixing phenomena in stratified flows. Principal investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1981180. Dept. of Civil Engineering, University of Chile. 1998-2000.

Research program on Mathematical Mechanics. Collaborator. Project funded by the Chilean National Science and Technology Council, FONDAP Project. Dept. of Mathematical Engineering, University of Chile. 1997-1999.

Turbulent structure in the vicinity of the bottom and the free surface in open channels. Associate investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1960987. Dept. of Civil Engineering, University of Chile. 1996-1998.

Interactions between a turbulent boundary layer and a movable granular bed. Principal investigator. Project funded by the Chilean National Science and Technology Fund, FONDECYT Project Nº 1950592. Dept. of Civil Engineering, University of Chile. 1995-1997.

Teaching:

Undergraduate courses

Fluid Mechanics, Open Channel Hydraulics.

Graduate courses

Hydraulic Transport of Solids, Environmental Hydrodynamics, Numerical Methods in Hydraulic and Environmental Engineering, Advanced Fluid Mechanics, Experimental Methods in Fluid Dynamics.

Publications:

Chapters of Books

Niño, Y. and García, M. (2000), Using Lagrangian particle saltation observations for bedload sediment transport modelling. In: High Resolution Flow Modelling in Hydrology and Geomorphology, Section I, pp. 81-102 P.D. Bates and S. N. Lane Eds. John Wiley and Sons.

García, M., Niño, Y., and López, F. (1996). Laboratory observations of particle entrainment into suspension by turbulent bursting. In: Coherent Flow Structures in Open Channels. Ashworth, Bennett, Best y McLelland Eds. Wiley & Sons, Chap. 3, pp. 63-86.

Journal Articles

de la Fuente, A., Imberger, J., Shimizu, K., and Niño, Y. (2008) The effect of nonlinear and non-hydrostatic forces on the evolution of internal waves in a rotating stratified circular basin. Limnology and Oceanography. In press.

de la Fuente, A. and Niño, Y. (2008) Pseudo 2D ecosystem model for a dendritic reservoir. Ecological Modelling. In press. doi:10.1016/j.ecolmodel.2008.01.020.

Bombardelli, F.A., González, A.E., and Niño, Y. (2008) Computation of the particle Basset force with a fractional-derivative approach. Journal of Hydraulic Engineering. In press.

Loose, B., Niño, Y., y Escauriaza, C. (2007) Modelación de flujos con densidad variable en un estuario bien mezclado usando volúmenes finitos. Aplicación al estuario del Río Maipo en la zona central de Chile. I ngeniería del Agua. En prensa.

Garcia C.M., Cantero M.I., Nino Y., Garcia M.H. (2007) Turbulence measurements with Acoustic Doppler Velocimeters - Reply. Journal of Hydraulic Engineering. Vol. 133, No. 11, pp. 1289-1292.

Sequeiros, O. E., Niño, Y., and Garcia, M. H. (2007) Erosion of finite thickness sediment bed by single and multiple circular jets. Journal of Hydraulic Engineering. Vol. 133, Nº 5, pp. 495-507.

Bigillon, F., García, M., and Niño, Y. (2006) Measurements of turbulence characteristics in an open channel flow over a transitionally rough bed using Particle Image Velocimetry. Experiments in Fluids. Vol. 41, No. 6, pp. 857-867.

Admiraal, D., Musalem-Jara, R., García, M., and Niño, Y. (2006) Vortex trajectory hysteresis above self-formed vortex ripples. Journal of Hydraulic Research. Vol. 44, No. 4, pp. 437- 450.

Ihle, C. and Niño, Y. (2006). The onset of nonpenetrative convection on a suddenly cooled layer of fluid. International Journal of Heat and Mass Transfer, Vol. 49, pp. 1442-1451.

Montserrat, S., Tamburrino, A., y Niño, Y. (2005) Estudio experimental de la presencia de barreras en flujos detríticos. Ingeniería del Agua, Vol. 12, No. 3, pp. 217-229.

García, C.M., Cantero, M., Niño, Y., and García, M.H. (2005). Turbulence measurements with Acoustic Doppler Velocimeters (ADVs). Journal of Hydraulic Engineering, Vol. 135, No. 12, pp. 1062-1073.

Loose, B., Niño, Y., and Escauriaza, C. (2005). Finite volume modeling of variable density shallow-water flow equations for a well-mixed estuary: application to the Río Maipo estuary in central Chile. Journal of Hydraulic Research, Vol. 43, No. 4, pp. 339-350.

Niño, Y. and Miranda, J. F. (2003). Mixing in strongly stratified bottom cavities of estuaries: An experimental study. Archives of Hydro-Engineering and Environmental Mechanics, Vol. 50, No. 4, pp. 401-413.

Niño, Y., Caballero, R., and Reyes, L. (2003). Mixing and interface dynamics in a two-layer stratified fluid due to surface shear stress. Journal of Hydraulic Research, Vol. 41, No. 6, pp. 609-621.

Niño, Y., López, F., and García, M. (2003). Threshold for particle entrainment into suspension. Sedimentology, 50, pp. 247-263.

Niño, Y. (2002). A simple model for the downstream variation of sediment median size in Chilean rivers. Journal of Hydraulic Engineering, Vol. 128, No 10, pp. 934-941.

Niño, Y., Atala, A., Barahona, M., and Aracena, D. (2002). Using a discrete particle model to analyze the development of bedforms. Journal of Hydraulic Engineering, Vol. 128, No. 4, pp. 381-389.

Niño, Y., López, F., Pirard, C., Hillmer, I., y García, M. (2000). Modelación numérica de procesos de mezcla turbulentos inducidos por el viento en cuerpos de agua estratificados. Ingeniería Hidráulica en México, Vol. XV, Núm. 1, p. 13-25.

Niño, Y. and Atala, A. (1999). Discrete computer simulation of bedforms. Mechanics Research Communications, vol. 26 (1), pp. 91-98.

Niño, Y., y García, M. (1998). Using lagrangian saltation observations for bedload sediment transport modelling. Hydrological Processes, 12, pp. 1197-1218.

Niño, Y., y García, M. (1998). Experiments on saltation of fine sand in water. Journal of Hydraulic Engineering, ASCE, vol. 124, Nº10, pp. 1014-1025.

Niño, Y., y García, M. (1998). Engelund's analysis of turbulent energy and suspended load. Journal of Engineering Mechanics, ASCE. vol. 124, pp. 480-483.

Niño, Y., y García, M. (1996). Experiments on particle-turbulence interactions in the near wall region of an open channel flow: implications for sediment transport. Journal of Fluid Mechanics, 326, pp. 285-319.

López, F., Niño, Y., y García, M. (1996). Estructuras coherentes turbulentas en canales abiertos con fondo liso. Ingeniería Hidráulica en México, vol. XI, Nº 1, pp. 5-13.

Niño, Y. (1996). Inestabilidades en un lecho granular móvil: análisis matemático de formas de fondo. Ingeniería del Agua. vol. 3 Nº4, pp. 25-36.

García, M., López, F., and Niño, Y. (1995). Characterization of near-bed coherent structures in turbulent open channel flow using synchronized high-speed video and hot-film measurements. Experiments in Fluids, 19, pp. 16-28.

Niño, Y., García, M., and Ayala, L. (1994). Gravel saltation I: Experiments. Water Resources Research, vol. 30, Nº6, pp. 1907-1914.

Niño, Y., García, M., and Ayala, L. (1994). Gravel saltation II: Modeling. Water Resources Research, vol. 30, Nº6, pp. 1915-1924.

García, M. and Niño, Y. (1992). Dynamics of sediment bars in straight and meandering channels: Experiments on the resonance phenomenon. Journal of Hydraulic Research, vol. 31, Nº6, pp.739-761.

Other activities:

Head of Department of Civil Engineering, Universidad de Chile.

Director Fluid Dynamics and Processes Teaching Laboratory. Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile.

Coordinator, Ph.D. Program in Fluid Dynamics. Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile.

Associate Editor Journal of Hydraulic Research, IAHR.

Chair Fluid Mechanics Section, International Association for Hydraulic Research and Engineering, IAHR.