Engineering and the Environment

Bharathram Ganapathisubramani

PhD

Primary position:
Professor
Other positions:
Deputy Director of Graduate School

Background

The University of Southampton
  • August 2012-present: Professor of Experimental Fluid Mechanics
  • 2010-2012: Senior Lecturer, Aerodynamics & Flight Mechanics Group, University of Southampton, UK.
  • 2007-2010: Lecturer, Department of Aeronautics, Imperial College London, UK.
  • 2004-2006: Post-doctoral fellow, Center for Aeromechanics Research, The University of Texas at Austin, USA.
  • 2002-2004: PhD in Aerospace Engineering, Department of Aerospace Engineering and Mechanics, University of Minnesota,Minneapolis, USA.
  • 1999-2001: MS in Aerospace Engineering, Department of Aerospace Engineering and Mechanics, University of Minnesota,Minneapolis, USA.
  • 1995-1999: B.Tech. in Naval Architecture, Department of Ocean Engineering, Indian Institute of Technology - Madras, Chennai, India.
Professor Bharathram Ganapathisubramani's photo

Publications

The University of Southampton's electronic library (e-prints)

Article

Buxton, O.H.R., de Kat, R. and Ganapathisubramani, B. (2013) The convection of large and intermediate scale fluctuations in a turbulent mixing layer. Physics of Fluids, 25 (doi:10.1063/1.4837555).
Wynn, A., Pearson, D.S., Ganapathisubramani, B. and Goulart, P. J. (2013) Optimal mode decomposition for unsteady flows. Journal of Fluid Mechanics, 733, 473-503. (doi:10.1017/jfm.2013.426).
Dyke, Gareth, de Kat, Roeland, Palmer, Colin, van der Kindere, Jacques, Naish, Darren and Ganapathisubramani, Bharathram (2013) Aerodynamic performance of the feathered dinosaur Microraptor and the evolution of feathered flight. Nature Communications, 4, 2489. (doi:10.1038/ncomms3489).
Pearson, D.S., Goulart, P.J. and Ganapathisubramani, B. (2013) Turbulent separation upstream of a forward-facing step. Journal of Fluid Mechanics, 724, 284-304. (doi:10.1017/jfm.2013.113 ).
Arbós-Torrent, Sara, Ganapathisubramani, Bharathram and Palacios, Rafael (2013) Leading- and trailing-edge effects on the aeromechanics of membrane aerofoils. Journal of Fluids and Structures, 38, 107-126. (doi:10.1016/j.jfluidstructs.2013.01.005).
Elsinga, G.E. and Ganapathisubramani, B. (2013) Foreward. Advances in 3D velocimetry. Measurement Science and Technology, 24, (2), 020301-[3pp]. (doi:10.1088/0957-0233/24/2/020301).
de Kat, R. and Ganapathisubramani, B. (2013) Pressure from particle image velocimetry for convective flows: a Taylor’s hypothesis approach. Measurement Science and Technology, 24, (2), 024002-[13pp]. (doi:10.1088/0957-0233/24/2/024002).
Nedić, J., Vassilicos, J.C. and Ganapathisubramani, B. (2013) Axisymmetric turbulent wakes with new nonequilibrium similarity scalings. Physical Review Letters, 111, (14), 144503-[5pp]. (doi:10.1103/PhysRevLett.111.144503).
Nedic, B., Ganapathisubramani, B. and Vassilicos, J.C. (2013) Drag and near wake characteristics of flat plates normal to the flow with fractal edge geometries. Fluid Dynamics Research, 45, (6), 061406. (doi:10.1088/0169-5983/45/6/061406).
Ganapathisubramani, B., Hutchins, N., Monty, J.P., Chung, D. and Marusic, I. (2012) Amplitude and frequency modulation in wall turbulence. Journal of Fluid Mechanics, 712, 61-91. (doi:10.1017/jfm.2012.398).
Nedic, J., Ganapathisubramani, B., Vassilicos, J.C., Borée, J., Brizzi, L.E. and Spohn, A. (2012) Aeroacoustic performance of fractal spoilers. AIAA Journal, 50, (12), 2695-2710. (doi:10.2514/1.j051387).
Oxlade, A. R., Valente, P. C., Ganapathisubramani, B. and Morrison, J. F. (2012) Denoising of time-resolved PIV for accurate measurement of turbulence spectra and reduced error in derivatives. Experiments in Fluids, 53, (5), 1561-1575. (doi:10.1007/s00348-012-1375-4).
Gomes-Fernandes, R., Ganapathisubramani, B. and Vassilicos, J.C. (2012) Particle image velocimetry study of fractal-generated turbulence. Journal of Fluid Mechanics, 711, 306-336. (doi:10.1017/jfm.2012.394).
Hearst, R.J., Buxton, O.R H., Ganapathisubramani, B. and Lavoie, P. (2012) Experimental estimation of fluctuating velocity and scalar gradients in turbulence. Experiments in Fluids, 53, (4), 925-942. (doi:10.1007/s00348-012-1318-0).
Buxton, O.R.H., Laizet, S. and Ganapathisubramani, B. (2011) The effects of resolution and noise on kinematic features of fine-scale turbulence. Experiments in Fluids, 51, (5), 1417-1437. (doi:10.1007/s00348-011-1159-2).
Buxton, O.R.H., Laizet, S. and Ganapathisubramani, B. (2011) The interaction between strain-rate and rotation in shear flow turbulence from inertial range to dissipative length scales. Physics of Fluids, 23, (6), 061704-[4pp]. (doi:10.1063/1.3599080).
Buxton, O.R.H., Laizet, S. and Ganapathisubramani, B. (2011) The interaction between strain-rate and rotation in shear flow turbulence from inertial range to dissipative length scales. Physics of Fluids, 23, (6), 061704-[4pp]. (doi:10.1063/1.3599080).
Hutchins, N., Monty , J.P., Ganapathisubramani, B., Ng, H.C.H. and Marusic, I. (2011) Three-dimensional conditional structure of a high-Reynolds-number turbulent boundary layer. Journal of Fluid Mechanics, 673, 255-285. (doi:10.1017/S0022112010006245).
Buxton, O.R.H. and Ganapathisubramani, B. (2010) Amplification of enstrophy in the far field of an axisymmetric turbulent jet. Journal of Fluid Mechanics, 651, 483-502. (doi:10.1017/S0022112009993892).
Ganapathisubramani, B., Clemens, N.T. and Dolling, D.S. (2009) Low-frequency dynamics of shock-induced separation in a compression ramp interaction. Journal of Fluid Mechanics, 636, 397-425. (doi:10.1017/S0022112009007952).
Ganapathisubramani, B., Lakshimnarasimhan, K. and Clemens, N.T. (2008) Investigation of three-dimensional structure of fine scales in a turbulent jet by using cinematographic stereoscopic particle image velocimetry. Journal of Fluid Mechanics, 598, 141-175. (doi:10.1017/S0022112007009706).
Ganapathisubramani, B. (2007) Statistical properties of streamwise velocity in a supersonic turbulent boundary layer. Physics of Fluids, 19, 098108-[4pp]. (doi:10.1063/1.2772303).
Ganapathisubramani, B., Clemens, N.T. and Dolling, D.S. (2007) Effects of upstream boundary layer on the unsteadiness of shock-induced separation. Journal of Fluid Mechanics, 585, 369-394. (doi:10.1017/S0022112007006799).
Ganapathisubramani, B., Lakshminarasimhan, K. and Clemens, N.T. (2007) Determination of complete velocity gradient tensor by using cinematographic stereoscopic PIV in a turbulent jet. Experiments in Fluids, 42, (6), 923-939. (doi:10.1007/s00348-007-0303-5).
Ganapathisubramani, B. and Clemens, N T (2006) Effect of laser pulse duration on particle image velocimetry. AIAA Journal, 44, (6), 1368-1370.
Ganapathisubramani, Bharathram, Longmire, Ellen K. and Marusic, Ivan (2006) Experimental investigation of vortex properties in a turbulent boundary layer. Physics of Fluids, 18, 055105-[14pp]. (doi:10.1063/1.2196089).
Ganapathisubramani, B., Clemens, N.T. and Dolling , D.S. (2006) Large-scale motions in a supersonic turbulent boundary layer. Journal of Fluid Mechanics, 556, 271-282. (doi:10.1017/S0022112006009244).
Ganapathisubramani, Bharathram, Longmire, Ellen K., Marusic, Ivan and Pothos, Stamatios (2005) Dual-plane PIV technique to determine the complete velocity gradient tensor in a turbulent boundary layer. Experiments in Fluids, 39, (2), 222-231. (doi:10.1007/s00348-005-1019-z ).
Ganapathisubramani, B., Hutchins, N., Hambleton, W., Longmire, I. and Marusic, I. (2005) Investigation of large-scale coherence in a turbulent boundary layer using two-point correlations. Journal of Fluid Mechanics, 524, 57-80. (doi:10.1017/S0022112004002277).
Ganapathisubramani, Bharathram, Longmire, Ellen K. and Marusic, Ivan (2003) Characteristics of vortex packets in turbulent boundary layers. Journal of Fluid Mechanics, 478, (35-46), 35-46. (doi:10.1017/S0022112002003270).
Longmire, E.K., Ganapathisubramani, B., Marusic, I., Urness, T. and Interrante, V. (2003) Effective visualization of stereo particle image velocimetry vector fields of a turbulent boundary layer. Journal of Turbulence, 4, N23. (doi:10.1088/1468-5248/4/1/023).
Ganapathisubramani, B., Longmire, E.K and Marusic, I. (2002) Investigation of three dimensionality in the near field of a round jet using stereo PIV. Journal of Turbulence, 3, N16. (doi:10.1088/1468-5248/3/1/016).

Book Section

Urness, T., Interrante, V., Marusic, I., Longmire, E. and Ganapathisubramani, B. (2003) Effectively visualizing multi-valued flow data using color and texture. In, Turk, G., van Wijk, J.J. and Moorhead, R. (eds.) Visualization, 2003: Proceedings of the Seventh International Conference on Information Visualization. New York, US, IEEE, 115-121. (doi:10.1109/VISUAL.2003.1250362).
 

Research

Research Interests

  • Turbulent shear flows,
  • Separated flows,
  • High-speed aerodynamics,
  • Flow Control,
  • Fluid-Structure interactions,
  • Experimental methods.

Primary research group:  Aerodynamics and Flight Mechanics

Research projects

Universality of fine-scale turbulence

Towards biologically-inspired active-compliant-wing micro-air-vehicles

Experimental and Theoretical Investigations of Lymphatic Fluid Flows and Immunology

Physics and control of turbulent wall-flows

Teaching Responsibilities

Module titleModule codeDisciplineRole
Fluid Mechanics SESM2007 Mechanical Engineering Course leader

Contact

Professor Bharathram Ganapathisubramani
Engineering and the Environment
University of Southampton
Highfield
Southampton
SO17 1BJ

Room Number: 13/5059

Telephone: (023) 8059 2305
Email: G.Bharath@soton.ac.uk