Dr. Karan Venayagamoorthy

Publications

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  Refereed Journal Articles Top
40 Zhou, J. Cenedese, C., William, T., Ball, M., Venayagamoorthy, S. K. and Nokes, R. 2017. "On the propagation of gravity currents over and through a submerged array of circular cylinders, Journal of Fluid Mechanics, doi:10.1017/jfm.2017.604 . 2017
39 Schaad, S. and Venayagamoorthy, S. K. 2017. "Direct numerical simulations of decaying stably stratified turbulence", http://dx.doi.org/10.1016/j.compfluid.2017.05.022, Computers and Fluids.  Read this online 2017
38 Arthur, R. S., Venayagamoorthy, S. K., Koseff, J. R. and O. B. Fringer 2017. "How we compute N matters to estimates of mixing in stratified flows", in press, Journal of Fluid Mechanics 2017
37 Zhou, J. and Venayagamoorthy, S. K. 2017. "Numerical simulation of intrusive gravity currents Interacting with a bottom-mounted obstacle in a continuously stratified ambient", Environmental Fluid Mechanics, 17, 191-209 DOI 10.1007/s10652-016-9454-3.   Read this online 2017
36 Wijesekara, H. & co-authors (including Venayagamoorthy, S. K) 2016 "Decrypting a Mystery Bay - ASIRI Ocean-Atmosphere Initiatives on Bay of Bengal", Bulletin of American Meteorological Society, October 2016, 1859-1884, DOI:10.1175/BAMS-D-14-00197.1.  Read this online 2016
35 David, C., Gil. Y., Duffy, C. J., Peckham, S. D. and Venayagamoorthy, S. K. 2016. "An introduction to the special issue on Geoscience Papers of the Future", Earth and Space Science, 3, 441--444, doi:10.1002/2016EA000201.  Read this online 2016
34 Venayagamoorthy, S. K. and Koseff, J. R. 2016. "On the flux Richardson number in stably stratified turbulence", Journal of Fluid Mechanics, 798, R1:1--10.  Read this online 2016
33 John, J., Radford, D., Venayagamoorthy, S. K. and Heyliger, P. 2016 "Elastic Field and Frequency Variation in Extendable Wind Turbine Blades, Journal of Solar Energy Engineering, 138, 054502-1:5.   Read this online 2016
32 Shroyer, E. L., Rudnick, D. L., Farrar, T., Lim, B., Venayagamoorthy, S. K., St. Laurent, L., Garanaik, A. and Moum, J. N. 2016. "Modification of upper ocean temperature structure by subsurface mixing in the presence of strong salinity stratification", Oceanography, 29(2):62--71, http://dx.doi.org/10.5670/oceanog.201.39.   Read this online 2016
31 Kattnig, J. J., and Venayagamoorthy, S. K. 2015. "A hybrid approach for increasing baffling factors in contact tanks", Journal of American Water Works Association, 107(12). pp E702-E711,http://dx.doi.org/10.5942/jawwa.2015.107.0164.  Read this online 2015
30 Carlston, J. C. and Venayagamoorthy, S. K. 2015. "Impact of Modified Inlets on Residence Times in Baffled Tanks", Journal of American Water Works Association, 107(6). pp E292-E300, DOI:http://dx.doi.org/10.5942/jawwa.2015.107.0078.   Read this online 2015
29 Mater, B.D., Venayagamoorthy, S. K., St. Laurent, L. and Moum, J. N. 2015. "Biases in Thorpe scale estimation of turbulence dissipation from large overturns in the ocean", Journal of Physical Oceanography. 45: pp 2497-2521, DOI: 10.1175/JPO-D-14-0128.1.  Read this online 2015
28 Karimpour, F. and Venayagamoorthy, S. K. 2015 "On turbulent mixing in stably stratified wall-bounded flow, Physics of Fluids, 27, 046603(2015).  Read this online 2015
27 Alford, M. and co-authors (including Venayagamoorthy, S. K.) 2015. "The formation and fate of internal waves in the South China Sea", Nature, 521, pp 65-69, doi:10.1038/nature14399.  Read this online 2015
26 Taylor, Z. H., Carlston, J. C. and Venayagamoorthy, S. K. 2015. "Internal hydraulics of disinfection contact tanks", Journal of Hydraulic Research, DOI: 10.1080/00221686.2015.1040086.  Read this online 2015
25 Wilson, J. M. and Venayagamoorthy, S. K. 2015. "A shear-based parameterizations of turbulent mixing in the stable atmospheric boundary layer", Journal of Atmospheric Sciences, 72, pp 1713-1726, DOI: 10.1175/JAS-D-14-0241.1  Read this online 2015
24 Wilson, J. M., Davis, C. J., Venayagamoorthy, S. K. and Heyliger, P. R. 2015. “Comparisons of horizontal-axis wind turbine wake interaction models ", Journal of Solar Energy Engineering, DOI: 10.1115/1.4028914.   Read this online 2015
23 Mater, B. D. and Venayagamoorthy, S. K. 2014. “The quest for an unambiguous parameterization of mixing efficiency in staby stratified geophysical flows", Geophysical Research Letters, DOI: 10.1002/2014GL060571.  Read this online 2014
22 Karimpour, F. and Venayagamoorthy, S. K. 2014. “A revisit of the equilibrium assumption predicting near- wall turbulence, Journal of Fluid Mechanics, 760, pp 304-312.  Read this online 2014
21 Mater, B. D. and Venayagamoorthy, S. K. 2014. “A unifying framework for parameterizing stably stratified shear-flow turbulence", Physics of Fluids, 26, 036601 (2014)  Read this online 2014
20 Karimpour, F. and Venayagamoorthy, S. K. 2014. “A simple turbulence model for stably stratified wall-bounded flows, Journal of Geophysical Research (Oceans), DOI: 10.1002/2013JC009332, pp: 1- 11.   Read this online 2014
19 Barnett, T. C. and Venayagamoorthy, S. K. 2014. “Laminar and Turbulent Regime Changes in Drinking Water Contact Tanks”, Journal of American Water Works Association, 106(12), DOI: 10.5942/jawwa.2014.106.0149.   Read this online 2014
18 Barnett, T. C., Kattnig, J., Venayagamoorthy, S. K. and Whittaker, G. 2014. "Improving drinking water contact tank hydraulics using random packing material", Journal of American Water Works Association, 106(2), pp E98- 104.   Read this online 2014
17 Khandakar, N.M., Venayagamoorthy, S. K. and Dasi, L. P. 2013. "Intermittency and local dissipation scales under strong mean shear", Physics of Fluids, 25(1), 011701; doi: 10.1063/1.4774039.  Read this online 2013
16 Karimpour, F. and Venayagamoorthy, S. K. 2013. "Some insights for the prediction of near-wall turbulence", Journal of Fluid Mechanics, , 723, pp 126-139.  Read this online 2013
15 Mater, B. D., Schaad, S. M. and Venayagamoorthy, S. K. 2013. "Relevance of the Thorpe length scale in stably stratified turbulence", Physics of Fluids, 25(7),076604(2013); doi: 10.1063/1.4813809.  Read this online 2013
14 Venayagamoorthy, S. K. and Fringer, O. B. 2012. “Examining breaking internal waves on a shelf slope using numerical simulations”, Oceanography, 25(2):132139. http://dx.doi.org/10.5670/oceanog.2012.48.  Read this online 2012
13 Sangdo An, Julien, P. Y., and Venayagamoorthy, S. K. 2012. "Numerical Simulation of Particle-Driven Gravity Currents", Environmental Fluid Mechanics, 12(6): 495-513  Read this online 2012
12 Venayagamoorthy, S. K., Ku, H., Fringer, O. B., Koseff, J. R., Chiu, A. and Naylor, R. L. 2011. “Numerical modeling of aquaculture dissolved waste transport in a coastal embayment”, Environmental Fluid Mechanics, 11, pp 329-352  Read this online 2011
11 Elliott, Z. and Venayagamoorthy, S. K. 2011. "Evaluation of turbulent Prandtl (Schmidt) number parameterizations for stably stratified environmental flows", Dynamics of Atmospheres and Oceans, 51(2011), pp 137-150.  Read this online 2011
10 Wilson, J. M., and Venayagamoorthy, S. K. 2010. "Evaluation of hydraulic efficiency of disinfection systems based on residence time distribution (RTD) curves", Environ. Sci. Technol.,2010, 44 (24), pp 9377–9382  Read this online 2010
9 Venayagamoorthy, S. K., and Stretch, D. D. 2010. "On the turbulent Prandtl number in homogeneous stably stratified turbulence", Journal of Fluid Mechanics, 644, pp 359-369.   Read this online 2010
8 Stretch, D. D., and S. K. Venayagamoorthy (2010), Diapycnal diffusivities in homogeneous stratified turbulence, Geophys. Res. Lett., 37, L02602, doi:10.1029/2009GL041514.  Read this online 2009
7 Stretch, D. D., Rottman, J. W., Venayagamoorthy, S. K., Nomura, K. K. and Rehmann, C. R. 2010. "Mixing efficiency in decaying stably stratified turbulence", Dynamics of Atmospheres and Oceans, 49(2010), pp 25-36   Read this online 2008
6 Venayagamoorthy, S. K., and Fringer, O. B. 2007. "On the formation and propagation of nonlinear internal boluses across a shelf break", Journal of Fluid Mechanics, 577, pp 137-159.   Read this online 2007
5 Venayagamoorthy, S. K., and Fringer, O. B. 2007. "Internal wave energetics on a shelf break", International Journal of Offshore and Polar Engineering, 17(1), pp 22-29 2007
4 Venayagamoorthy, S. K., and Stretch, D. D. 2006. "Lagrangian mixing in decaying stably stratified turbulence", Journal of Fluid Mechanics, 564, pp 197-226.   Read this online 2006
3 Venayagamoorthy, S. K., and Fringer, O. B. 2006. "Numerical Simulations of the interaction of internal gravity waves with a shelf break", Physics of Fluids, 18(7), 076603/9, DOI:10.1063/1.2221863   Read this online 2006
2 Venayagamoorthy, S. K. and Fringer, O. B. 2005. "Nonhydrostatic and nonlinear contributions to the energy flux budget in nonlinear internal waves", Geophys. Res. Lett.}, 32, L15603, DOI:10.1029/2005GL023432   Read this online 2005
1 Venayagamoorthy, S. K., Koseff, J. R., Ferziger, J. H., and Shih, L. H. 2003. "Testing of RANS turbulence models for stratified flows based on DNS data", Annual Research Briefs, Center for Turbulence Research, NASA-AMES}, pp 127-138  Read this online 2003
 
  Non-Refereed Journal Articles / Chapters / Proceedings / Transactions Top
38 Karney B., and Venayagamoorthy, S. K. 2013. "Sustainability Implications", Handbook of Environmental Fluid Dynamics (Editor: H. J. S. Fernando) -- Taylor & Francis Publishing, Part 1: 53-62. 2013
37 Kattnig, J. J. and Venayagamoorthy, S. K. 2014. “Use of innovative techniques to enhance the hydraulic disinfection efficiency of drinking water contact tanks”, In Proceedings of World Environmental and Water Resources Congress 2014, ASCE, pp 826-835. 2014
36 Karimpour, F. and Venayagamoorthy, S. K. 2014. “Improved RANS modeling of stably stratified wall- bounded turbulent flows”, In Transactions of the Ocean Sciences Meeting, ASLO, TOS, Honolulu, Hawaii, USA. 2014
35 Mater, B. and Venayagamoorthy, S. K. 2014. “A unifying framework for parameterizing stably stratified turbulence”, In Transactions of the Ocean Sciences Meeting, ASLO, TOS, Honolulu, Hawaii, USA. 2014
34 Mater, B. and Venayagamoorthy, S. K. 2014. “A unifying framework for parameterizing stably stratified turbulence”, In Transactions of the Ocean Sciences Meeting, ASLO, TOS, Honolulu, Hawaii, USA. 2014
33 Karimpour, F. and Venayagamoorthy, S. K. 2014. “A revisit of the equilibrium assumption for prediction of near-wall turbulence”, In Transactions of the 67th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 23-25 November 2014, San Francisco, California, USA. 2014
32 May, I., Morshed, K. N., Venayagamoorthy, S. K. and Dasi, L.P. 2014 “ On the distribution of local dissipation scales in turbulent flows”, In Transactions of the 67th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 23-25 November 2014, San Francisco, California, USA. 2014
31 Wilson, J. M. and Venayagamoorthy, S. K. 2014. “On Parameterizing Turbulence in the Stably Stratified Atmospheric Boundary Layer”, In Transactions of the 67th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 23-25 November 2014, San Francisco, California, USA. 2014
30 Garanaik, A, Karimpour, F. and Venayagamoorthy, S. K. 2014. “Evaluation of the standard k-e closure scheme for modeling stably stratified wall-bounded turbulence”, In Transactions of the 67th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 23-25 November 2014, San Francisco, California, USA. 2014
29 Venayagamoorthy, S. K. and Karimpour, F. 2014. “Inference of the turbulent dissipation rates in wall-bounded turbulent flows”, In Transactions of the 67th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 23-25 November 2014, San Francisco, California, USA. 2014
28 Mater, B. D., Schaad, S. M. and Venayagamoorthy 2014 “Francois N. Frenkiel Award Talk: Relevance of the Thorpe length scale in stably stratified turbulence”, In Transactions of the 67th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 23-25 November 2014, San Francisco, California, USA. 2014
27 Venayagamoorthy, S. K. and Farid, K. 2013. “Abstract: M1.00004 : Turbulent mixing in stratified wall- bounded turbulent flows”, In Transactions of the 66th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 24-26 November 2013, Pittsburgh, Pennsylvania, USA. 2013
26 Farid, K. and Venayagamoorthy, S. K. 2013. “Abstract: D22.00002 : A hybrid RANS closure scheme for the near-wall turbulence”, In Transactions of the 66th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 24-26 November 2013, Pittsburgh, Pennsylvania, USA. 2013
25 Mater, B. and Venayagamoorthy, S. K. 2013. “Abstract: H36.00001 : Relevancy of the buoyancy Reynolds number in stably stratified turbulence”, In Transactions of the 66th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 24-26 November 2013, Pittsburgh, Pennsylvania, USA. 2013
24 Karimpour, F. and Venayagamoorthy, S. K. 2012. “Improved RANS Turbulence models for Stably Stratified Environmental Flows”, In Proceedings of the third International Symposium on Shallow Flows, 4-6 June 2012, Iowa City, USA. 2012
23 Ku, H. and Venayagamoorthy, S. K. 2012. “Scalar Dispersion around a Cylindrical Obstacle in Oscillatory Flows”, In Proceedings of the Third International Symposium on Shallow Flows, 4-6 June 2012, Iowa City, USA. 2012
22 Taylor, Z., Xu, Q., Wilson, J. W. and Venayagamoorthy, S. K. 2012. “Computational Modeling of Baffled Disinfection Tanks”, In Proceedings of World Environmental and Water Resources Congress 2012, ASCE, pp 1280-1289. 2012
21 Venayagamoorthy, S. K. and Stretch, D. D. 2012. "Mixing in stratified turbulence", In Transactions of the Ocean Sciences Meeting, ASLO, TOS, Salt Lake City, Utah, USA. 2012
20 Venayagamoorthy, S. K. and Ku, H. 2012. "Lateral mixing around obstacles in coastal flows", In Transactions of the Aquatic Sciences Meeting, ASLO, Lake Biwa, Shiga, Japan 2012
19 Farid, K. and Venayagamoorthy, S. K. 2012. “Abstract: M7.00003 : A zero-equation closure model for wall- bounded stably stratified flows”, In Transactions of the 65th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 18-20 November 2012, San Diego, California, USA. 2012
18 Mater, B. and Venayagamoorthy, S. K. 2012. “Abstract: M7.00007 : Parameterization of turbulent diffusivity in stratified flows using microstructure observations and DNS”, In Transactions of the 65th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 18-20 November 2012, San Diego, California, USA. 2012
17 Wilson, J and Venayagamoorthy, S. K. 2012. “Abstract: G5.00007 : Evaluation of Wind Turbine Wake Interaction Models in a RANS Framework”, In Transactions of the 65th Annual Meeting of the Division of Fluid Dynamics American Physical Society, 18-20 November 2012, San Diego, California, USA. 2012
16 Ku, H. and Venayagamoorthy, S. K. 2011. “Passive scalar dispersion around obstacles in tidal flows using numerical simulations”, Proceedings of the 7th International Symposium on Stratified Flows, for oral presentation, 22-26 August 2011, Rome, Italy. 2011
15 Wilson, J. W. and Venayagamoorthy, S. K. 2011. “Hydraulics and Mixing Efficiency of Small Public Water Disinfection Systems”, proceedings of World Environmental and Water Resources Congress 2011, ASCE, pp 243-252.  Read this online 2011
14 Elliot, Z. A. and Venayagamoorthy, S. K. 2011. “Implementation and testing of RANS turbulence models for stably stratified flows”, proceedings of World Environmental and Water Resources Congress 2011, ASCE, pp 2156-2165.  Read this online 2011
13 Venayagamoorthy, S. K., Dasi, L. P. and Mater, B. 2011. “Abstract: MA.00007: Abstract: L11.00002 : Relevant length scales and time scales in shear flow turbulence”, 64th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 20-22 November 2011, Baltimore, Maryland, USA, (oral presentation).  Read this online 2011
12 Schaad, S., Venayagamoorthy, S. K. and Stretch, D. D. 2011. “Abstract: M1.00003 : Dynamics and structure of stably stratified turbulence”, 64th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 20-22 November 2011, Baltimore, Maryland, USA, (oral presentation).  Read this online 2011
11 Dasi, L. P. and Venayagamoorthy, S. K. 2011. “Abstract: L11.00003 : On the smallest sub-kolmogorov mean length scale and its implications on phenomenology”, 64th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 20-22 November 2011, Baltimore, Maryland, USA, (oral presentation).  Read this online 2011
10 Farid, K. and Venayagamoorthy, S. K. 2011. “Abstract: L1.00007 : Evaluation and Improvement of RANS models for Stably Stratified Turbulence”, 64th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 20-22 November 2011, Baltimore, Maryland, USA, (oral presentation).  Read this online 2011
9 Ku, H. and Venayagamoorthy, S. K. 2011. “Abstract: H1.00006 : Lateral mixing of passive scalars around porous obstacles in tidal flows”, 64th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 20-22 November 2011, Baltimore, Maryland, USA, (oral presentation).  Read this online 2011
8 Elliot, Z. A. and Venayagamoorthy, S. K. 2011. “Implementation and testing of RANS turbulence models for stably stratified flows”, In Proceedings of World Environmental and Water Resources Congress 2011, ASCE, pp 2156-2165. 2011
7 Wilson, J. W. and Venayagamoorthy, S. K. 2011. “Hydraulics and Mixing Efficiency of Small Public Water Disinfection Systems”, In Proceedings of World Environmental and Water Resources Congress, ASCE, pp 243-252. 2011
6 Ku, H. and Venayagamoorthy, S. K. 2011. “Passive scalar dispersion around obstacles in tidal flows using numerical simulations”, In Proceedings of the 7th International Symposium on Stratified Flows, 22-26 August 2011, Rome, Italy. 2011
5 Xu, Q., and Venayagamoorthy, S. K. 2010. "Hydraulic efficiency of baffled disinfection contact tanks", 6th International Symposium on Environmental Hydraulics, 23-25 June 2010, Athens, Greece, pp 1041- 1046 (oral presentation). 2010
4 Elliot, Z. A. and Venayagamoorthy, S. K. 2010. “Abstract: EG.00006: Evaluation of turbulent Prandtl (Schmidt) number parameterizations for stably stratified turbulent flows”, 63rd Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 21-23 November 2010, Long Beach, California, USA, (oral presentation).  Read this online 2010
3 Ku, H. and Venayagamoorthy, S. K. 2010. “Abstract: MH.00010 : Numerical simulations of the transport of passive scalars around obstacles in tidal flows”, 63rd Annual Meeting of the Division of Fluid Dynamics, American Physical Society, 21-23 November 2010, Long Beach, California, USA, (oral presentation).  Read this online 2010
2 Xu, Q., and Venayagamoorthy, S. K. 2010. "Hydraulic efficiency of baffled disinfection contact tanks", In Proceedings of the 6th International Symposium on Environmental Hydraulics, 23-25 June 2010, Athens, Greece, pp 1041- 1046. 2010
1 Venayagamoorthy, S. K., and Fringer, O. B. 2004. "Energy partitioning in breaking internal waves on slopes", 4th International Symposium on Environmental Hydraulics and 14th Congress of the Asia & Pacific Division of the International Association of Hydraulic Engineering and Research, 15-18 December 2004, Hong Kong, pp 1051- 1057 2004
 

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