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Karthik Depuru-Mohan

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Role: 
Junior Research Fellow in Engineering
Department: 
Department of Engineering
Contact number: 
(+44) 1223 747065
Contact email address: 
nkd25@cam.ac.uk
Year Joined Homerton: 
2014
Research Interests: 
  • Aeroacoustics, Aerodynamics and Turbomachinery
Teaching And Professional Interests: 
  • Fluid Mechanics, Thermofluids, Thermodynamics and Power Generation

Qualifications: 
  • Doctor of Philosophy (Ph.D.), Aerospace Engineering, St. John’s College, University of Cambridge, 2015
  • Master of Science (M.S.), Mechanical Engineering, Indian Institute of Technology, Madras, 2008

Industrial Experience:

  • Technologist, John F. Welch Technology Center, General Electric Company, November 2007 – July 2010

Research Experience

  • Junior Research Fellow, Homerton College, University of Cambridge, October 2014 – Present
  • DLR-DAAD Research Fellow, German Aerospace Center, February 2016 – October 2016
  • Visiting Scholar, Harris Manchester College, University of Oxford, June 2016 – July 2016
  • Policy Adviser, UK Department for Business, Innovation and Skills, April 2015 – August 2015
  • David Crighton and Ahuja Fellow, NASA Langley Research Center, April 2014 – July 2014
  • Cambridge International Scholar, University of Cambridge, October 2010 – September 2013
  • Dr. Manmohan Singh Scholar, St. John’s College, University of Cambridge, October 2010 – September 2013
  • DAAD Scholar, Technical University of Berlin, September 2006 – May 2007
  • MHRD Scholar, Indian Institute of Technology, Madras, January 2005 – November 2007

Academic Experience

  • Interviewer, University of Cambridge, December 2014 – Present
  • Supervisor, University of Cambridge, October 2011 – Present
  • Demonstrator, Indian Institute of Technology, Madras, January 2005 – August 2006
  • Invigilator, Indian Institute of Technology, Madras, January 2005 – August 2006

Organisational Experience

  • Council Member, Homerton College, University of Cambridge, October 2015 – Present
  • Academic Affairs Officer, Graduate Union, University of Cambridge, May 2013 – August 2014

Honours and Awards

  • Visiting Scholarship, Harris Manchester College, University of Oxford, 2016
  • DLR-DAAD Research Fellowship, German Aerospace Center, Government of Germany, 2016
  • Secondment, Department for Business, Innovation and Skills, UK Government, 2015
  • Junior Research Fellowship, Homerton College, University of Cambridge, 2014
  • Summer Research Fellowship, Center for Turbulence Research, Stanford University, 2014
  • Ahuja Fellowship, St. John's College, University of Cambridge, 2013
  • David Crighton Fellowship, Department of Applied Mathematics and Theoretical Physics, University of Cambridge, 2013
  • Cambridge International Scholarship, Cambridge Commonwealth, European and International Trust, 2010
  • Dr. Manmohan Singh Scholarship, St. John’s College, University of Cambridge, 2010
  • GE Patent Award, General Electric Company, 2010
  • GE Excellence Award, General Electric Company, 2010
  • GE Patent Award – Bronze Medallion, General Electric Company, 2009
  • DAAD Scholarship, Government of Germany, 2006

Patents

  • Sealing and purging arrangement for a main bearing region, US Patent 8,529,200, S. Pakkala, N. K. Depuru Mohan & S. Soundiramourty, General Electric Company, Schenectady, NY 12345, United States, 2013
  • Methods, systems and/or apparatus relating to seals for turbine engines, US Patent 8,282,346, S. Deodhar, G. Itzel & N. K. Depuru Mohan, General Electric Company, Schenectady, NY 12345, United States, 2012
Dissertation: 
  • N. K. Depuru Mohan, Modelling jet noise reduction – chevrons and microjets, Ph.D. Thesis, University of Cambridge, 2014
  • N. K. Depuru Mohan, Active and passive flow control of an incompressible axisymmetric jet, M.S. Thesis, Indian Institute of Technology, Madras, 2007
Publications: 
  • N. K. Depuru Mohan, P. Manovski, C. Spehr, A. Shroeder et al., A direct correlation between the near-field flow quantities and the far-field acoustic quantities of subsonic round and chevron jets, Journal of Fluid Mechanics, 2017 (in preparation)
  • P. Manovski, N. K. Depuru Mohan, A. Shroeder, C. Spehr et al., 4-pulse Shake-The-Box experimental technique applied to a Mach 0.9 round jet flow, Experiments in Fluids, 2017 (in preparation)
  • N. K. Depuru Mohan, P. Manovski, C. Spehr, A. Shroeder et al., Aeroacoustic measurements on subsonic chevron and round jets, Physics of Fluids, 2017 (in preparation)
  • N. K. Depuru Mohan & M. J. Doty, Experimental investigation of the jet noise reduction potential of piezoelectrically-activated chevrons, Journal of Fluid Mechanics, 2017 (in preparation)
  • P. Manovski, N. K. Depuru Mohan, C. Spehr, A. Shroeder et al., 4-pulse Shake-The-Box technique and its challenges, 11th International Symposium on Particle Image Velocimetry, 2017 (in preparation)
  • N. K. Depuru Mohan, P. Manovski, C. Spehr, A. Shroeder et al., Aeroacoustic analysis of a Mach 0.9 round jet using synchronized microphone array and Shake-The-Box 3D Lagrangian particle tracking measurements, 23rd AIAA/CEAS Aeroacoustics Conference, 2017 (submitted)
  • N. K. Depuru Mohan, H. Xia, P. G. Tucker & A. P. Dowling, Far-field sensitivity of acoustic analogies due to nozzle geometry, Physics of Fluids, 2016 (in preparation)
  • N. K. Depuru Mohan & A. P. Dowling, Flow and acoustic characteristics of chevron and micro jets", ASME Journal of Fluids Engineering, 2016 (in preparation)
  • P. Manovski, N. K. Depuru Mohan, C. Spehr, A. Schroeder et al., 3D Lagrangian particle tracking using 4-pulse Shake-The-Box synchronised with microphone measurements on a subsonic jet at Mach 0.9, NIOPLEX International Workshop on Non-Intrusive Optical Flow Diagnostics, 2016
  • N. K. Depuru Mohan & A. P. Dowling, A jet noise prediction model for chevrons and microjets, AIAA Journal, 2016
  • N. K. Depuru Mohan, K. R. Prakash & N. R. Panchapakesan, Mixing augmentation by multiple lobed jets, American Journal of Fluid Dynamics, 2015
  • N. K. Depuru Mohan, International comparison of research and innovation systems, A Report to the UK Department for Business, Innovation and Skills, 2015
  • N. K. Depuru Mohan, A. P. Dowling, S. A. Karabasov, H. Xia, O. Graham, T. P. Hynes & P. G. Tucker, Acoustic sources and far-field noise of chevron and round jets, AIAA Journal, 2015
  • N. K. Depuru Mohan, D. Greenblatt, C. N. Nayeri, C. O. Paschereit & N. R. Panchapakesan, Vortex-enhanced mixing through active and passive flow control methods, Experiments in Fluids, 2015
  • A. P. Dowling & N.K. Depuru Mohan, Jet noise and its reduction, UK Institute of Acoustics 40th Anniversary Conference, 2014
  • N. K. Depuru Mohan & A. P. Dowling, A low-order jet noise prediction model for chevrons and microjets, 52nd AIAA Aerospace Sciences Meeting, 2014
  • N. K. Depuru Mohan & A. P. Dowling, A single-stream jet noise prediction model for a family of chevron nozzles, 19th AIAA/CEAS Aeroacoustics Conference, 2013
  • N. K. Depuru Mohan, S. A. Karabasov, O. Graham, H. Xia, A. P. Dowling, T. P. Hynes & P. G. Tucker, Reduced-order jet noise modelling for chevrons, 18th AIAA/CEAS Aeroacoustics Conference, 2012
  • H. Xia, S.A. Karabasov, O. Graham, P. G. Tucker, A. P. Dowling, N. K. Depuru Mohan & T. P. Hynes, Hybrid RANS-LES modelling of chevron nozzles with prediction of far-field sound, 49th AIAA Aerospace Sciences Meeting, 2011
  • Y. Singh, D. Greenblatt, N. K. Depuru Mohan, C. N. Nayeri & C. O. Paschereit, Active control of an incompressible axisymmetric jet, Proceedings of the 9th Biennial ASME Conference on Engineering Systems Design and Analysis, 2008
  • N. K. Depuru Mohan, D. Greenblatt, C. N. Nayeri, C. O. Paschereit & P. Nagangudy Ramamurthi, Active and passive flow control of an incompressible axisymmetric jet, Proceedings of ASME Turbo Expo 2008: Power for Land, Sea and Air, 2008
  • N. K. Depuru Mohan, K. R. Prakash & N. R. Panchapakesan, Computational study of turbulent multiple lobed jets and multiple circular jets, ASME 8th International Congress of Fluid Dynamics and Propulsion, 2006
  • K. R. Prakash, N. K. Depuru Mohan & N. R. Panchapakesan, Computation of turbulent multiple round jets using k-epsilon model, 3rd International and 33rd National Conference on Fluid Mechanics and Fluid Power, 2006
  • N. K. Depuru Mohan, K. R. Prakash & N. R. Panchapakesan, Numerical simulation of turbulent multiple lobed jets using k-epsilon model, 9th Annual CFD Symposium, 2006

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